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2025.9.21

Pressure Transmitter 4-20mA Guide: Testing and Troubleshooting

What is a pressure transmitter 4-20mA? A 4-20mA pressure transmitter is an instrument that measures medium pressure and converts it into a 4-20mA current output signal. In industrial processes, the most common method for transmitting analog signals is using a 4-20mA current loop. The signal is transmitted to a remote control panel for pressure monitoring and control. For example, this can involve audible and visual alarms or initiating certain trip and shutdown procedures. In a 4-20mA pressure transmitter, the 4-20mA output is linearly proportional to the pressure range. 4mA corresponds to a z......

2025.9.19

Motor Torque Measurement – Static and Dynamic Sensors

Motor torque testing ensures proper motor operation and the safety of mechanical equipment. Torque sensors have a wide range of applications in motor testing and measurement. RFQ Table of ContentsWhat is a pressure transmitter 4-20mA?What is the purpose of a pressure transmitter?Pressure transmitter 4-20mA working principlePressure transmitter 4-20mA wiringHow to Test the 4-20mA of a Pressure Transmitter?8 Types 4-20mA Pressure Transmitter Troubleshooting1. Pressure Transducer with No Signal Output2. Pressure Transducer Output ≥ 20mA3. Transmitter output ≤ 4mA4. Incorrect Pressure Indication5.......

2025.9.15

Ultrasonic Level Transducer: Working Principle,Types and Benefits

Ultrasonic level transducers are widely used for level measurement in industrial tanks, cesspools, diesel containers, and other applications. They utilize ultrasonic technology to measure the liquid level in liquid or solid containers. This non-contact measurement method is used. These measurements are then converted into a standardized signal. This is used for monitoring, control, or displaying liquid level information. Ultrasonic type level transmitters can meet most industrial level measurement needs at a low cost. They provide a high-precision, non-contact solution for industrial process c......

2025.9.12

Understanding RTD Sensors: Key to Measure Industrial Temperature

“RTD” stands for “resistance temperature detector.” It is a type of temperature sensor. And it uses the electrical resistance of metal to measure temperature. RTDs offer high accuracy and stability. But they are more expensive than other sensors, such as thermocouples. They are widely used in various industries, including automotive, aviation, and food processing. The sensing element of an RTD sensor is typically made of platinum, copper, or nickel. The temperature range is -196°C to 600°C. Some special designs can even reach 1000°C. At Sino-Inst, we primarily offer thr......

2025.9.11

High-Temperature Media Pressure Measurement Case: 900-1200°C

A high-temperature pressure sensor is an instrument that accurately measures the pressure of high-temperature media. It converts pressure into an electrical signal and maintains stable operation even at high media temperatures. Industries like steelmaking, chemicals, and petroleum are essential, as a failure could lead to production halts. Therefore, it is crucial. Customized Case Sharing A customer from Kuwait ordered an ultra-high-temperature pressure sensor from us, also known as a water-cooled pressure sensor. The specific specifications are as follows: Ultra-high-temperature pressure sens......

2025.9.9

Pressure Switch vs Sensor What You Need to Know

Pressure switches and pressure sensors are both devices used to detect pressure. However, they differ significantly in their functions, operating principles, and application scenarios. Understanding Pressure Switch vs Sensor can help you choose the most suitable product. RFQ First, for us, the main difference between pressure switches and pressure sensors lies in their functions. A pressure sensor converts the pressure of an object into an electrical signal for display and control system connection. This sensor has a continuous output and is typically connected to a controller that monitors an......

2025.9.7

Overview of Industrial Bimetallic Stem Thermometers

Bimetallic Stem Thermometers are field instruments for measuring medium and low temperatures. They can directly measure the temperature of liquids, steam, and gases within the -80°C ~ +600°C range in various production processes. Simple structure, durable and low cost.Bimetallic thermometers are corrosion-resistant and vibration-resistant, intuitive and easy to read, safe, reliable, and durable. When used with a thermowell, they can be used in environments subject to vibration or shock. Sino-Inst bimetallic thermometers are widely used in the petrochemical and chemical industries. Electrical c......