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Non-Contact Level Measurement for NaOH Caustic Tanks

For a project involving level measurement in a sodium hydroxide (NaOH) storage tank, the client had previously used pressure-based level transmitters. Given the corrosive nature of the strong alkaline medium, we recommended an 80 GHz non-contact radar level transmitter; compared to ultrasonic alternatives, this instrument offers superior corrosion resistance and effectively handles in-tank condensation issues. … Read more

RF Capacitance Level Transmitters for Turbine Oil Tanks

For a turbine oil tank level measurement project, the client specified an RF capacitance level transmitter with a 700mm coaxial rod probe and PTFE insulation. The operating conditions are 200°C and 24 bar, with a 4–20 mA + HART output and a 1.5″ BSP threaded connection. An assessment based on application experience confirms that an … Read more

Guided Wave Radar Level Transmitters: Alternative to Other GWR Brands

In industrial tank level measurement applications, high-performance guided-wave radar level transmitters—such as the Eclipse 706-512B-320—have become the ideal choice for many high-precision operations due to their stable measurement performance. The 316 stainless steel model, in particular, meets the measurement requirements for the majority of standard industrial media. Unlike the simple selection process for general-purpose instruments, … Read more

Portable Ultrasonic Flow Meters for Large Diameter Pipes

On-site flow measurement for large-diameter pipelines is often constrained by requirements such as water supply shutdowns or the need to cut into the pipe, making flexible operation difficult. For pipelines with a diameter of DN1600 or larger, handheld ultrasonic flow meters utilize a non-invasive, clamp-on measurement method; this allows flow to be measured directly from … Read more

Do Pressure Sensor Work at 450 Degree Celsius?

Pressure sensors can operate with media temperatures of 450°C. It is important to clarify that this refers to the temperature of the medium itself, not the ambient temperature. Standard pressure sensors typically measure media temperatures in the range of -20°C to 80°C. Custom high-temperature pressure sensors can measure pressures in media at 450°C; however, the … Read more

Vortex Flow Meter: 6 Troubleshooting Guides

Vortex flow meters are developed and manufactured based on the von Kármán vortex street principle and are primarily used to measure the flow rate of media within industrial pipelines. Their stable operation depends on numerous factors, including product quality, model selection, installation, parameter configuration, and on-site interference. Drawing on years of experience in flow measurement, … Read more

Molten Salt Flow Measurement: 565°C——How to Select a Flow Meter

Molten salt is not an ordinary liquid; the operating conditions are extremely demanding. Measuring the molten salt flow rate from a storage tank requires simultaneous monitoring of the liquid level, internal tank pressure, and molten salt temperature. The binary solar salt (60% NaNO₃/40% KNO₃) operates at a pressure of 2.5 bar, a flow rate of … Read more

Measuring Superheated Steam Mass Flow with Vortex Meters

Steam is the most widely used heat-transfer medium across various sectors, including industrial production, heating, and cooling. There is a significant demand for steam flow measurement, which plays a crucial role in enhancing management, ensuring fair trade, conserving energy, and improving economic efficiency. In most cases, users monitor the mass flow rate of steam. The … Read more

Top 4 Hydrochloric Acid/HCL Flow Meters

Hydrochloric acid is a vital basic chemical raw material widely used across various sectors, including the chemical industry, metallurgy, water treatment, food processing, pharmaceuticals, and electronics. Selecting the appropriate flow meter for hydrochloric acid helps reduce costs and ensures the safety and stability of the production process. For hydrochloric acid flow measurement, the top four … Read more

How Does Gas Composition Affect Thermal Mass Flow Meter Accuracy?

Thermal gas mass flow meters are the preferred instruments for measuring the flow of dry, stable gases—whether pure gases (such as oxygen, compressed air, nitrogen, chlorine, etc.) or gas mixtures (such as biogas). Users often ask us a question during use: Will changing the type of gas being measured or changing the composition of the … Read more

7 Types of Biogas Flow Meters – 9 Steps to Select the Right One

Biogas is a form of clean energy, primarily composed of methane (CH4) and carbon dioxide (CO2). In the fields of renewable energy, environmental protection, and energy management, biogas flow measurement is a critical step in ensuring accuracy during production, utilization, and trade. This article outlines the various types of biogas flow meters and provides guidance … Read more

Liquid Oxygen / Oxygen Pressure Transducer | Cleaned for Oxygen Service (Certificate Included)

Oxygen cleaning is a specialized cleaning procedure for special-purpose pressure transmitters, also known as oil-free. For example, oxygen pressure transmitters must undergo rigorous oxygen-grade cleaning to ensure the sensor is clean and free of oil, corrosion, scale, particles, and other impurities. This completely eliminates the potential risk of oxygen combustion or explosion caused by oil … Read more

Dynamic vs Kinematic Viscosity

When purchasing an online viscometer, do you often encounter this situation: you specify the viscosity in cSt at 50°C, but the manufacturer provides the value in cP, leaving you confused? Dynamic viscosity (μ) is a fluid’s internal resistance to shear, measured in centipoise (cP = mPa·s). Kinematic viscosity (ν) is that value divided by density, … Read more

How to Verify Fuel Tanker Delivery Volume at a Gas Station

Accurate monitoring of unloading volume is crucial for tanker truck deliveries to gas stations, as well as trade transfers and distribution. Data from before, during, and after delivery should be precisely correlated, at least within permissible margins. So, how do you calculate the delivery volume of tanker trucks to gas stations? Where do gaps typically … Read more

Pressure Sensor Manufacturers in China: Buyer’s Guide

China is the largest OEM and mass production base for industrial pressure sensors. Custom production is available for everything from standard 4-20 mA pressure transmitters to extreme operating conditions such as 1000 MPa ultra-high pressure, −252 °C cryogenic, and ATEX explosion-proof models. Standard pressure sensors can be shipped within 3-5 days. We also build digital-output … Read more

High Temperature Differential Pressure Transducers for Steam, Hot Oil & Furnace ΔP

In specialized applications such as power generation, high-temperature reactors, and metallurgical smelting, process pressure measurement often faces extreme conditions of “high temperature” + “differential pressure,” with the temperature of the measured medium reaching 300℃~600℃. Differential pressure measurement of high-temperature media can be used in important processes such as flow calculation, liquid level monitoring, and differential … Read more

Inline Pressure Transducer Guide: Types, Selection & Featured Products

An inline pressure transducer is a compact pressure transmitter that screws directly onto the pipeline via a single threaded interface. The sensitive diaphragm is in close contact with the medium, without manifolds or remote transmission diaphragms. This form factor is most commonly found in hydraulic systems, compressed air mains, cooling water circuits, HPLC process lines, … Read more

How to Use Pressure Transmitter for Level Measurement

Pressure transmitter for level measurement is a relatively inexpensive and stable solution. Proper selection and configuration of pressure transmitters can effectively save on measurement costs. On CAN-based machinery, a CAN bus pressure transmitter reports level-related pressure straight onto the network. Pressure transmitters for level measurement can be broadly categorized into two types: one for measuring … Read more

Magnetic Flow Meter Calibration Procedure – User Guide

After a period of use, electromagnetic flow meters may experience a decrease in accuracy. Magnetic flow meter calibration eliminates systematic errors inherent in the instrument, ensuring the reliability of its measurement results. This meets the needs of process control, cost accounting, and trade settlement. Electromagnetic flow meters are suitable for measuring the flow rate of … Read more

Nitrogen Flow Controllers for Industrial & Research Applications

Nitrogen Flow Controllers are devices specifically designed for measuring and controlling nitrogen flow. They not only measure the volumetric or mass flow rate of nitrogen, but crucially, they also control the flow rate. Generally, they are based on a nitrogen flow meter, with the addition of an automatic control valve and a closed-loop control system. … Read more

Insertion Flow Meters: 6 Types

Measuring flow in large pipes with insertion type flow meters. If you need to measure the fluid flow of a larger pipe diameter, you are most likely to choose an insertion type flow meter. But what insertion type flow meter should you use? The market has insertion electromagnetic flowmeter, insertion vortex flowmeter, insertion ultrasonic flowmeter, … Read more

How to Choose the Right Probe Material for Your Ultrasonic Level Sensor

By Li Rui, Senior Process Engineer at Sino-Inst | Published 2026-03-24. If you’ve ever had an ultrasonic level sensor fail prematurely, there’s a good chance the probe material was wrong for the job. I’ve seen this happen more times than I’d like to admit — a perfectly good sensor, installed in a sulfuric acid tank, … Read more

What is an IP rating? IP65-IP67-IP68

When purchasing pressure transmitters or flow meters, the sales engineer will usually confirm with you what IP rating you need: IP65, IP67, or IP68? This explanation aims to help you understand the details of IP ratings. Next time you purchase electrical equipment, you’ll know which IP rating to choose. What is an IP rating? First, … Read more

Absolute Pressure Transmitters: Product List and Guide

What is Absolute Pressure Transmitter? Absolute pressure transmitters are sensors that measure pressure using absolute vacuum (0 bar) as a reference. They convert the sensed physical pressure value into a standardized electrical signal, such as 4-20 mA or 0-10 V, for processing by control systems or monitoring equipment. For absolute pressure on a digital bus, … Read more

Gas Measurements: Normal Conditions vs Standard Conditions

In gas flow measurement and control, it is crucial to distinguish between Normal Conditions and Standard Conditions. This is primarily because the volume of gas changes with temperature and pressure. Different standards will result in different measured gas values. This is somewhat similar to the difference between “SCFM (Standard CFM) and ACFM (Actual CFM)“. Characteristics … Read more

SCFM (Standard CFM) vs. ACFM (Actual CFM) and Calculator

SCFM (Standard CFM) and ACFM (Actual CFM) are commonly used units for measuring gas flow rate. For example, in the air compressor industry, they are used to measure airflow and air consumption. So what are the differences between them? How should they be converted? Both SCFM and ACFM are based on CFM. CFM is a … Read more

Thermal Mass Flow Meter Correction Factor Guide

Thermal Mass Flow Meters and thermal mass flow controllers are suitable for most gaseous media. If a gas mass flow controller or thermal mass flow meter is factory-calibrated for one gas, but you want to switch to another, then a gas correction factor (GCF) is needed. What is Thermal Mass Flow Meter Correction Factor? The … Read more

Analog Gas Flow Meters | Types and Product List

Analog gas flow meters specifically refer to a type of flow meter that outputs analog signals. The main function of a flow meter is to measure volumetric flow rate or mass flow rate and convert it into an electrical signal output, facilitating flow monitoring and control. There are four types of flow meter signal outputs: … Read more

Magnetic Float Level Gauge: Working Principle and Types

The Magnetic Float Level Gauge continuously measures the liquid level in a tank based on the principles of buoyancy and magnetic coupling. It indicates changes in liquid level by utilizing the influence of a magnet on nearby magnets; this mechanical structure is simple yet highly effective. Its simple structure provides fast and stable liquid level … Read more

What is Strain Gauge Pressure Transmitter?

Strain gauge pressure transmitters have good shock resistance and can withstand 100G vibration, making them more suitable for measuring large pressure ranges. They are used in pressure measurement and control in industrial equipment, water pressure testing, building water supply, and hydraulic power stations. The same piezoresistive sensing element also drives our CAN bus pressure transducer, … Read more

Powder/Dry Material Level Switches – Product List and Selection

Powder/Dry Material Level Switches are devices used to detect when material reaches a preset level. When the material reaches or exceeds the set position, the level switch sends a signal, typically used to control the starting or stopping of equipment. They are widely used in silos, hoppers, storage tanks, and other locations for simple on/off … Read more

Rotameters: Excellent Choice for Flow Measurement in Various Gases

A rotameter, also known as a variable area flow meter, is widely used to measure the flow rate of various gases, especially in situations where no power supply is available. Whether measuring air, oxygen, nitrogen, carbon dioxide (CO2), or other gases, rotameters provide reliable and accurate results. Of course, rotameters can also be configured as … Read more

Flow Meter Selection Guide: Starting from Measurement Conditions

There are more than a dozen categories and hundreds of models of flow meters on the market, all claiming to have unique measurement advantages. So how do you choose the flow meter that meets your needs? Simply put, start with your actual measurement conditions. Select the most suitable flow meter based on your specific application … Read more

4 Types of Manifolds for Pressure Transmitters

Pressure transmitters are often installed in conjunction with manifolds, primarily for isolation, calibration, and venting. Manifolds control the input of the medium, ensuring measurement accuracy and safety. Manifolds are typically configured with a specified number of valves based on the required operating conditions. Common configurations include single-valve (2-valve), two-valve, three-valve, and five-valve manifolds. This is … Read more

Industrial Water Pressure Measurement and Monitoring

Water pressure measurement includes pressure detection of water pipes, water containers or equipment. Water pressure measurements can be used to determine whether a pipe, container or equipment is leaking and whether it can withstand the pressure required for the design. By configuring a water pressure transmitter, connecting the water pressure signal to a recorder, PLC … Read more

Choose Digital Water Pressure Switch for Better Control

A water pressure switch is a device used to monitor and control the pressure of a water system. Commonly found in domestic and industrial water treatment systems, it is used to start or stop water pumps and ensure that the water pressure remains within a set range. A digital water pressure switch can display the … Read more

What Is Temperature Compensation in a Pressure Transmitter?

When selecting a pressure transmitter, you will inevitably encounter a very important parameter: temperature. This includes operating (medium) temperature and ambient temperature. This is because it involves an important manufacturing process that our factory performs: temperature compensation of the pressure transmitter. What is Temperature Compensation for Pressure Transmitters? Simply put, temperature compensation for pressure transmitters … Read more

Case Study – Mass Flow Meter For Slurry

In industrial production, since material balance, storage, and economic accounting all require mass rather than volume, measurement work often involves converting the measured volumetric flow rate into mass flow rate by multiplying it by the density. For example, in mining production, we often need to calculate the flow rate of mineral slurry. Mineral slurry refers … Read more

LNG and CNG Flow Measurement

LNG and CNG are different forms of natural gas. In the oil and gas industry, liquefying or compressing natural gas are methods used to improve efficiency. High-precision and stable flow measurement is crucial throughout the production, compression, transportation, and trading of natural gas. LNG vs CNG The main difference between LNG (Liquefied Natural Gas) and … Read more

Thermal Dispersion Flow Meters, Flow Switches & Controllers

From heavy industrial plants to precision laboratories, Thermal Dispersion Flow Meters have become the ideal solution for gas measurement. Based on the same thermal dispersion principle, Thermal Dispersion flow switches and flow controllers have been developed. These devices measure mass flow directly without moving parts, and can even control flow, solving the maintenance problems associated … Read more

Flow Meters for Cryogenic Fluids Flow Measurement

Cryogenic Flow Meter can be used to monitor the flow rate of cryogenic fluids. Liquid oxygen, liquid hydrogen, liquid nitrogen, liquid argon, liquid ammonia, and liquefied gas (LNG) are Common industrial cryogenic fluids. To handle fluid temperatures down to 328°F (-200°C), Sino-Inst manufactures high quality Cryogenic Flow Meters. Turbine flowmeter is the most widely used … Read more

Vacuum Pressure Sensors | Vacuum-Negative Pressure Measurement

In some industrial closed environments, vacuuming is required. The vacuum pressure sensor can be used to detect the vacuum degree of the closed environment in real time. Generally, vacuum pressure sensors that measure negative pressure have the function of detecting negative pressure and positive pressure at the same time. For example -100KPa~0~100KPa. It is best … Read more

Low Pressure Transmitters/Transducers: How Do They Work?

In many industrial and scientific applications, accurate measurement of low pressure is crucial for maintaining safety, performance, and efficiency. Low pressure transmitters/Transducers measure gauge pressure, differential pressure, and absolute pressure below 1 bar. They are ideal for cleanroom, HVAC, and air pollution control applications. Where several sensors share one bus, a CAN bus pressure transducer … Read more

Mechanical Oil Flow Meter vs Digital

Although digital oil flow meters are constantly being innovated, Mechanical Oil Flow Meters still occupy a large proportion of industrial oil flow measurement, including flow measurement of crude oil, fuel oil, diesel, edible oil, and other oils. Positive displacement flow meter is a type of flow meter selected as Mechanical Oil Flow Meter. Including oval … Read more

How Is an Ultrasonic Flow Meter Used for Leak Detection?

The occurrence of leaks puts businesses at high risk. Therefore, effective preventive measures are necessary. Ultrasonic technology is an efficient leak detection method. Ultrasonic flow meters detect leaks by non-invasively measuring fluid flow. This technology covers a variety of liquids and pipe materials. It is suitable for crude oil transportation, chemical production, and energy pipeline … Read more

Water Pressure Transducers – 2026 Guide With Product List

What are Water Pressure Transducers? A water pressure transducer is a precision instrument that converts the physical pressure of water into an electrical signal. Water pressure transducers can be used to monitor real-time water pressure in various applications, including water pipes, storage tanks, water pumps, and underwater equipment. Sino-Inst offers a variety of water pressure … Read more

What is a Torque Coupling?

What is a Torque Coupling? A torque coupling is a component that connects the driving machine to the driven machine. Its main functions are overload protection and compensation. When an overload or mechanical failure causes the required torque to exceed the set value, it limits the torque transmitted by the transmission system through slippage. It … Read more

Torque Wrench Calibration Guide | DIY and ISO Standards

Master torque wrench calibration with our guide. Learn frequency, ISO standards, and DIY methods to ensure precise tool accuracy and safety. An electric torque wrench is a rotary power tool used for tightening threaded fasteners, capable of outputting a set torque. It consists of a motor, torque control mechanism, torque output mechanism, and torque display … Read more

Case Sharing: Vortex Flow Meter for High-temperature Air

The vortex flowmeter is a velocity-type flow instrument that operates based on the principle of fluid oscillation. Due to its simple structure, high accuracy, and wide range of applications, it has become popular in industrial measurement. From petrochemicals to food and beverages, from liquid flow monitoring to gas flow monitoring, this instrument, thanks to its … Read more

Guide to Flow Measurement Devices: Types and Selection

Explore flow measurement devices. Compare DP, magnetic, and other flow meters to select the right industrial sensor for your application. Flow measurement devices are used to measure the flow rate of fluids in pipes or open channels. Common types include electromagnetic flow meters, ultrasonic flow meters, and turbine flow meters. In my experience working with … Read more

Strain Gauge Torque Sensors & Transducers – Technology and Selection Guide

By exploring the types and principles of strain gauge torque sensors, analyzing selection guides and calibration-related issues, we hope to help you choose the high-precision rotary and reaction torque measurement solutions that meet your needs. How Strain Gauge Torque Sensors Work? The core principle of the Strain gauge torque sensor is simple: we are converting … Read more

What Is Cold Junction Compensation in Thermocouples? And the 5 Methods

What is Cold Junction Compensation in Thermocouples? Cold junction compensation is a corrective measure taken in thermocouple measurements to eliminate measurement errors caused by the cold junction temperature deviating from 0°C. The need for cold junction compensation in thermocouples stems from their working principle. Let’s analyze this in detail. Why is Cold Junction Temperature Compensation … Read more

Water Level Pressure Transducers

The water level pressure transducer measures water level based on the relationship between pressure and water level. It is an extremely simple, practical instrument. Of course, it can be used to measure more than just water. Any other liquid can be measured. Wastewater, seawater, chemical liquids, oils, etc. Sino-Inst produces and supplies a full range … Read more

Digital Diesel Flow Meter – Higher Accuracy With Signal Output

The main function of the Digital Diesel Flow Meter is to accurately measure the volume or mass flow rate of diesel fuel, providing high-precision digital display and supporting signal output. Local digital display function, real-time display of instantaneous flow rate, cumulative flow rate, etc. It can significantly improve the flow meter’s range ratio and measurement … Read more

A Comprehensive Analysis of Mechanical Water Flow Meters

Mechanical flow meters measure water flow by measuring the movement of mechanical components such as gears, propellers, or rotors. They typically display the flow rate using a pointer or gear-based control panel. Generally, they do not require a power source. Mechanical flow meters are reliable flow meters used to accurately measure water consumption in various … Read more

Case Study-Portable Ultrasonic Liquid Level Indicator

The portable ultrasonic liquid level indicator is a non-contact, handheld detection device primarily used to quickly determine the presence of liquid at a specific height within a sealed container without opening it. Its measurement technology is unaffected by factors such as the medium, height, or pressure. Due to its non-contact measurement method, this product is … Read more

Orifice Plate Tapping Guide

An orifice plate flow meter is a high-range differential pressure flow measurement device consisting of a standard orifice plate and a multi-parameter differential pressure transmitter. Orifice plate tapping refers to the method of extracting the differential pressure before and after the orifice plate. Common types of orifice plate pressure taps include: flange taps, corner taps, … Read more

G Thread vs NPT for Pressure Transmitters

Compare the G Thread vs NPT thread used in pressure transmitters. Understand the difference between 55-degree parallel threads and 60-degree tapered threads to ensure a secure seal. Pressure transmitters utilize various process connection methods, such as threaded, flanged, and clamped connections. Threaded connections are the most commonly used. When adding or replacing a pressure transmitter, … Read more

What is a Dynamic Pressure Sensor? Vs. Static

Master dynamic pressure sensor technology. We’ll guide you through the piezoelectric principle, fast response characteristics, and industrial applications. What is a Dynamic Pressure Sensor? Dynamic pressure sensors are specifically designed to measure dynamic pressure with high frequency variations and steep pressure waveform rise times. They measure instantaneous pressure changes, not “average” pressure. Dynamic pressure sensors … Read more

Capacitive Level Transmitters: How They Work

In the rapidly developing industrial sector, liquid level measurement is becoming increasingly important. Capacitive level transmitters are an important solution. They have no moving parts and are unaffected by water vapor, dust, or condensation. They are widely used in the petroleum, chemical, and pharmaceutical industries. Capacitive level transmitters are a key technology for monitoring the … Read more

What is a Reaction Torque Sensor? Product Lists and Guide

What is a Reaction Torque Sensor? By definition, a reaction torque sensor is a type of torque sensor specifically designed to measure reaction torque values ​​and convert them into a standardized electrical signal. It is also called a static torque sensor or a reaction sensor. Reaction torque sensors are limited in that they cannot rotate … Read more

10 Steps to Size a Turbine Flow Meter

Need to size a turbine flow meter? Are you still only choosing based on pipe diameter? Please stop immediately. Turbine flow meters account for a significant portion of industrial flow measurement processes due to their low cost and wide range of media compatibility. However, sizing a turbine flow meter is not as simple as just … Read more

What is a Radar Level Sensor? Selection Guide with Example

What is a Radar Level Sensor? A radar level sensor is an instrument that uses microwave echo ranging to measure liquid levels non-contactly. It can measure both liquid and solid levels and is widely used in river level measurement, container, storage tank, and silo level monitoring. Measurement accuracy is up to ±1mm, and the measurement … Read more

Case – High Frequency Dynamic Pressure Sensor: 0-200 kHz

In fields such as military engineering, explosive testing, oil and gas exploration, materials and geotechnical mechanics, trauma medicine, and hydraulic power testing, the precise measurement of high-frequency transient pressure waveforms places stringent demands on the dynamic performance of sensors. The SI-90 high-frequency dynamic pressure transmitter is designed specifically for these applications. Through micromachining technology, it achieves … Read more

What Is a Pressure Switch? Read Before Buy and Use

What Is a Pressure Switch? A pressure switch is a specialized instrument for pressure measurement and control. Pressure switches can be electronic or mechanical. Based on a preset pressure value, they can open or close the corresponding switch contacts when the pressure is reached. Pressure switches, like pressure transmitters, are essential instruments in industrial processes. … Read more

Analog Sensor vs. Digital Sensor: What’s the Difference?

In industrial automation, sensors play a crucial role. They ensure accuracy, efficiency, and reliability in a wide range of applications. When it comes to sensors, analog and digital sensors are two common types. Each has its own advantages and limitations. They are widely used in various industries and applications. Understanding the differences between these two … Read more

What is a Thermocouple Sheath? Types – Materials – Selection Guide

When configuring temperature sensors, you’ll encounter the option of whether to configure a thermocouple sheath, and the requirements for its size and material. Sometimes, a thermocouple sheath is also called a thermowell or temperature sensor protective tube. So what exactly is a thermocouple sheath, and how do we choose one? Based on Sino-Inst’s experience, we’ve … Read more

K Type Thermocouple: Working Principle, Applications, Advantages

A type K thermocouple is a widely used thermocouple in temperature measurement. Type K thermocouples are typically composed of two different metal alloys: a chromium-nickel alloy and an aluminum-nickel alloy. Type K thermocouples are inexpensive, highly accurate, reliable, and have a wide temperature range. Their maximum continuous operating temperature is approximately 1100°C. They provide accurate … Read more

Mass Flow Rate and Volumetric Flow Rate: Key Differences and Conversion

When it comes to flow measurement, understanding the distinction between mass flow rate and volumetric flow rate is crucial. Both concepts are widely used in various industries, but they differ in several aspects. We’ll explore the key differences between mass flow rate and volumetric flow rate, examine the factors that affect flow rate conversions, and … Read more

More Powerful Pressure Transmitter with Diaphragm Seal and Capillary

Diaphragm seal is used to prevent media from directly entering the sensor assembly in the pressure transmitter/differential pressure transmitter. Remote split pressure measurement can be achieved by connecting the fluid-filled capillary tube to the transmitter. Diaphragm seals effectively broaden the application range of pressure transmitters. It makes the measurement of pressure transmitter and differential pressure … Read more

What Is the Flow Rate? Velocity vs Flow

What Is the Flow Rate? Is the flow rate the same as Flow? When we choose a flowmeter, we often know the fluid parameters of the pipeline. Including flow range, pressure, pipe diameter, etc. Flow rates and flow ranges are different. Flow is divided into volume flow and mass flow. So what is the relationship … Read more

Level Measurement: Why & When Is a Stilling Well Needed?

Stilling Wells are ingeniously designed to suppress liquid surface fluctuations and turbulence, ensuring high-precision level measurements. Surface disturbances are a problem in level measurement, whether using contact or non-contact methods. By isolating a calmer liquid column, Stilling Wells provide the sensor with a clear and stable target, eliminating misreads. Sino-Inst has assisted customers in applying … Read more

Sea Water Resistant Pressure Sensors

Pressure sensors are widely used in various fields such as ship systems, desalination plants, subsea equipment, and environmental monitoring. These fields are distributed in marine, offshore, and coastal areas. However, seawater is one of the most corrosive natural media because it contains a high concentration of sodium chloride, and chloride ions are highly corrosive. Therefore, … Read more

Industrial Smart Pressure Transmitters 4-20mA, HART, RS485 Modbus

Industrial smart pressure transmitters are microprocessor-based high-performance transmitters. With flexible pressure calibration function. Instrument equipment commonly used in industrial process control can convert fluid or gas pressure into standard analog signals (such as 4-20mA) or digital signals (HART, RS485) and output them to the control system. Beyond 4–20 mA, HART and RS485 Modbus, pressure can … Read more

What Is a Density Meter? And Guide to Types

What Is a Density Meter? We are discussing industrial density meters here, not laboratory densitometers. Industrial density meters are devices specifically designed to measure fluid density, performing real-time online density detection and displaying data such as density and temperature. They also support outputs of 4-20 mA, 0-1000Hz, RS485 Modbus RTU, HART, and other signals, facilitating … Read more

Pressure Sensor Selection: Gauge Pressure vs. Sealed Gauge Pressure

Previously, we discussed the differences and relationships between Gauge Pressure and Absolute Pressure. Some users have noticed that when purchasing pressure transmitters, there’s also the option of choosing between sealed gauge pressure and gauge pressure. So, what is the relationship between these two, and how should we choose? Gauge, sealed-gauge and absolute references are all … Read more

Hydrogen Flow Meters for Mass and Volume Flow

Hydrogen flow meters are widely used in hydrogen energy fields, such as hydrogen production, hydrogen storage and hydrogen fuel cells. Typically used to monitor volumetric flow, mass flow and usage of hydrogen to ensure proper system operation and optimize performance. Since the value of hydrogen is very high, custody transfer metering is also a very … Read more

Sulfuric Acid Storage Tank Level Measurement

In industries such as chemical engineering, metallurgy, pharmaceuticals, electroplating, and sulfuric acid storage and transportation, sulfuric acid, as a basic raw material, is extremely corrosive. 98% concentrated sulfuric acid is viscous, fuming, and easily releases volatile acid mist. Under certain operating conditions, it is also accompanied by complex conditions such as high temperature and crystallization. … Read more

Case: Non-Contact Ultrasonic Flow Meter For Water

A clamp-on ultrasonic flow meter is an instrument that uses high-precision ultrasonic sensing technology to measure flow rate. It mainly consists of a host and a set of ultrasonic sensors. These sensors can be installed on the outer wall of the pipe without the pipe or shutting down the system, and they will not contaminate … Read more

Thermal Dispersion Flow Switches: A Complete Guide

A thermal diffusion flow switch is a flow monitoring device based on the principle of thermal diffusion. It offers superior performance and reliability. Thermal diffusion flow switches have no moving parts. They are durable, have low maintenance costs, and are highly reliable. We, Sino-inst, offer the SI-300C and SI-600 series of thermal diffusion flow switches. … Read more

Top 10 Pressure Transmitter Terminology

Behind every aspect of industrial process monitoring and control lies an indispensable “invisible hero”—the pressure transmitter. The performance of a pressure transmitter determines safe operation and production efficiency. Chemical plants rely on pressure transmitters to prevent pipeline leaks, and automobile manufacturing depends on hydraulic systems for precise control of robotic arms. However, the densely packed … Read more

Top 5 Industrial Liquid Nitrogen Flow Meters

Industrial Liquid Nitrogen Flow Measurement Solution – Cryogenic Flow Measurement Design. Liquid nitrogen flow meters are a type of cryogenic flow meter specifically designed to measure the flow rate of liquefied nitrogen at extremely low temperatures (-196°C; -320°F; 77 K). Of course, similar cryogenic liquefied media can also be measured, such as LNG, LOX, LAR, … Read more

What Causes Flow Meter Failure? 11 Check List

Flow measurement is a crucial aspect of industrial process parameter monitoring. Whether it’s gas, liquid, steam, or even solid powder, flow meters can accurately monitor flow rate. However, even the most advanced flow meters can fail. Flow meter failure affects measurement accuracy and can lead to downtime, economic losses, product damage, and violations. What Causes … Read more

Liquid Nitrogen Cryogenic Tank Level Monitoring

When using liquid nitrogen tanks, it’s crucial to constantly monitor the liquid nitrogen level inside. Replenishing the tank as needed ensures the sample remains at a constant -196°C, preserving its activity. Generally, replenishment is necessary when the level drops below one-third. Insufficient liquid nitrogen will prevent complete coverage of the sample, causing the internal temperature … Read more

Radar Level Transmitter Working Principle: A Complete Guide

Radar level transmitters boast advanced technology and broad applicability. They have become the preferred solution for industrial liquid level monitoring. These devices are widely used in petrochemicals, water treatment, and food and pharmaceutical industries. Therefore, understanding radar level transmitters and their operating principles is crucial for achieving precise and reliable liquid level measurement. This article … Read more

Lime Slurry Flow Measurement – Electromagnetic Flow Meter

An electromagnetic flow meter is an instrument that measures the flow rate of conductive fluids by utilizing the induced voltage generated by the fluid. Because electromagnetic flow meters are designed not to introduce protrusions or obstructions in the pipeline, they are suitable for a wide range of applications, from clean liquids to slurries and highly … Read more

Brewery Flow Meters for Beer and Wine | Electromagnetic and More

Brewery flow meters are specialized devices that are used to measure the flow rate of liquids, such as beer and wine, in a brewery or winery setting. These devices can be used to monitor the production process, ensure quality control, and optimize the use of resources. There are a variety of different types of brewery … Read more

Flow Switches for Industrial Applications

Like all switches, flow switches are devices used to connect and disconnect current in a circuit. In industrial systems, flow switches are critical equipment for ensuring production continuity and safety. They are essential for flow monitoring, automated control, and safety protection. Flow switches are used to control and monitor the flow rate of air, steam, … Read more

DP Transmitter for Flow Measurement

What Is a Differential Pressure Flow Meter? A differential pressure flow meter is a device that measures flow rate by measuring the pressure difference. The differential pressure transmitter is the key component in differential pressure flow measurement. Using a differential pressure transmitter, the pressure difference before and after a pipe throttling device can be measured. … Read more

Case: Depth Measurement Of Seawater, Rivers, And Lakes

Depth measurement is a technique for determining the distance between the surface of an object and a reference point. Water depth data from rivers and lakes is important for water management, flood control and disaster reduction, waterway maintenance, and ecological restoration. Traditional measurement methods are limited by efficiency, accuracy, and environmental. So they are struggling … Read more

Sanitary Flow Meters: Types and Selection Guide

Sanitary flow meters are flow measurement instruments specifically designed for industries with high hygiene requirements, such as food and pharmaceuticals. They feature excellent cleanability and resistance to contamination. Sino-Inst supplies a range of sanitary flow meters, including electromagnetic, Coriolis, turbine, gear, and oval gear types. Sanitary flow meters typically use a sanitary Tri-Clamp Connection fitting … Read more

PD Meter Guide: What is Positive Displacement Flow Meter?

Positive displacement flow meters(PD Meter) are versatile and cost-effective. They can be used to measure clean, corrosive fluids and gases. When you need a high-precision flow meter at a reasonable price, a positive displacement flow meter is often the best choice. This article will explain how positive displacement flow meters work, the technology behind different … Read more

Radar Level Gauge Guide

Tank level monitoring is critical in industrial production. Radar level gauges provide real-time water level measurements with exceptional accuracy. Consequently, they have become the preferred choice for industrial-level monitoring. Radar level gauges offer an ideal solution for chemical storage tanks, oil fields, and reservoirs. In large tank installations, they achieve measurement accuracy of ±2mm—significantly surpassing traditional … Read more

Accurate Flare Gas Measurement Using Thermal Mass Flow Meters

Accurate measurement of flare gas flow presents a significant challenge in industrial process control. This is primarily due to the extreme variability of flare gas flow rates, the unpredictability of gas composition, and harsh operating environments. Thermal mass flow meters provide a reliable and compliant method for flare gas measurement, enabling industries to meet stringent … Read more

Case Study – Implementing Four-Point Liquid Level Control Using a Float Level Switch

The float level switch is a common level measurement and control instrument in industrial production. It operates faster and has a longer service life than mechanical switches; it is more resistant to interference than electronic switches; and it can achieve multi-point control. It is widely used in shipbuilding, papermaking, printing, generator equipment, petrochemicals, food industry, … Read more

Techniques, Importance, and Challenges of Natural Gas Flow Measurement

Why Natural Gas Flow Measurement is Pivotal? Natural gas is a vital energy source, providing electricity to industries, homes, and businesses worldwide. High-precision natural gas flow measurement is essential for ensuring fair trade, accurate trade measurement, and safe and efficient energy distribution. This article delves into the field of natural gas flow measurement, introducing various … Read more

How to Choose the Right Heating Oil Flow Meter for Your Business

Heating oil flow meters are devices that measure the flow rate of heating oil through a pipeline. Ensuring accurate monitoring and control of fuel consumption. They are essential in various industries. Including manufacturing, energy, and transportation, where heating oil is used as a primary fuel source. Choosing the right heating oil flow meter for your … Read more

High Temperature Flow Meter Types and Guide | Upto 900℃

Measuring the flow of media at extreme temperatures in industrial processes has always been a challenging task, whether it’s high-temperature gas, high-temperature liquid, or extremely low-temperature liquid. Conventional flow meters may experience reduced accuracy or even damage when exposed to high-temperature media. Based on years of experience in flow measurement, Sino-Inst has summarized flow measurement … Read more

Approaches To Gas Flow Measurement: Types and Applications Of Gas Flow Meters

Gas flow measurement is an essential technology in many industrial processes. For example, in the production of chemical products, accurate measurement of the flow of gases such as oxygen and nitrogen can ensure that the reactants are added to the reactor in the appropriate proportion to obtain high-quality products. Introduction: Why Gas Flow Measurement is … Read more
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