The hydrofluoric acid concentration meter is used to measure the concentration of hydrofluoric acid in tanks and pipelines. It is widely applicable to various manufacturing processes that use hydrofluoric acid. For example, high-precision detection of hydrofluoric acid concentration is crucial in semiconductor manufacturing processes.
Properties and Uses of Hydrofluoric Acid
Although hydrofluoric acid is classified as a “weak acid,” its corrosiveness and toxicity are extremely strong, capable of severely corroding metals, glass, and silicon-containing substances.
Hydrofluoric acid is an aqueous solution of hydrogen fluoride gas, a colorless, fuming, corrosive liquid with a pungent odor. It is a weak acid but extremely corrosive, strongly attacking metals, glass, and silicon-containing objects. Inhalation of its vapors or contact with the skin can cause burns that are difficult to heal.
Uses of Hydrofluoric Acid
- Due to its ability to dissolve oxides, hydrofluoric acid plays an important role in the purification of aluminum and uranium.
- Hydrofluoric acid is also used to etch glass, allowing for the engraving of patterns, markings, and text;
- The semiconductor industry uses it to remove oxides from the surface of silicon. In refineries, it is used as a catalyst in the alkylation reaction of isobutane and n-butene, and it is also used in the “pickling” process to remove oxygen-containing impurities from the surface of stainless steel.
Acid Concentration Meter Features
Technical Parameters
| Accuracy | ±0.001g/cm3 | ±0.25% |
| Operating range | 0～2g/cm3 | 0～100% |
| Repeatability | ±0.0001g/cm3 | ±0.1% |
| Process temperature influence (compensated) | ±0.0001g/cm3 | ±0.1% （per ℃） |
| Process pressure influence (compensated) | Negligible | Negligible |
| (1) The above accuracy applies to the calibration range of 0.8–1.5 g/cm³ (800–1500 kg/m³). (2) The maximum viscosity of the liquid can be up to 2000 cP. (3) Temperature influence refers to the maximum measurement deviation caused by the process fluid temperature deviating from the factory calibration temperature. (4) Pressure influence is defined as: the change in sensor flow and density sensitivity due to the process pressure deviating from the calibration pressure. | ||
| Wetted parts | Ceramic, PVDF | |
| Fork tine polishing | Ceramic | |
| Housing | IP65, Aluminum alloy | |
| Maximum operating pressure | Standard | Within 2.5MPa |
| Customized | Within 6.3MPa | |
| Test Pressure: | Tested at a pressure 1.5 times the maximum working pressure. | |
| The actual maximum working pressure is limited by the process connection’s rated pressure. | ||
| Explosion-proof certification | Ex d ⅡC T6 Gb | |
| Power requirements | 24 VDC,100mA | |
| Output | Four-wire system, 4-20mA/RS485 | |
| Electrical interface | M20*1.5 | |
| Viscosity requirements | 0-2000cP | |
Hydrofluoric Acid Concentration and Density Reference Table
| Specific Gravity 20℃ | Concentration % | Specific Gravity 20℃ | Concentration % |
| 1.003 | 1 | 1.095 | 27 |
| 1.007 | 2 | 1.098 | 28 |
| 1.011 | 3 | 1.101 | 29 |
| 1.014 | 4 | 1.104 | 30 |
| 1.018 | 5 | 1.106 | 31 |
| 1.023 | 6 | 1.109 | 32 |
| 1.027 | 7 | 1.112 | 33 |
| 1.03 | 8 | 1.114 | 34 |
| 1.035 | 9 | 1.117 | 35 |
| 1.038 | 10 | 1.12 | 36 |
| 1.041 | 11 | 1.122 | 37 |
| 1.045 | 12 | 1.125 | 38 |
| 1.049 | 13 | 1.127 | 39 |
| 1.052 | 14 | 1.13 | 40 |
| 1.055 | 15 | 1.133 | 41 |
| 1.059 | 16 | 1.136 | 42 |
| 1.062 | 17 | 1.138 | 43 |
| 1.066 | 18 | 1.141 | 44 |
| 1.069 | 19 | 1.143 | 45 |
| 1.072 | 20 | 1.146 | 46 |
| 1.076 | 21 | 1.149 | 47 |
| 1.079 | 22 | 1.152 | 48 |
| 1.082 | 23 | 1.154 | 49 |
| 1.086 | 24 | 1.157 | 50 |
| 1.089 | 25 | 1.235 | 60 |
| 1.092 | 26 | 1.258 | 70 |
More Concentration Meters
Sino-Inst’s Acid Concentration Meter measures the concentration of various solutions, including acids such as sulfuric acid, hydrochloric acid, phosphoric acid, nitric acid, and hydrofluoric acid; bases such as sodium hydroxide, potassium hydroxide, and ammonia solution; salts such as sodium carbonate and sodium chloride; and organic solutions. It also supports the measurement of electronic-grade chemical concentrations.
If you need to measure hydrofluoric acid concentration, please feel free to contact our sales engineers!
Acid Concentration Meter - Hydrofluoric Acid - Sino-Inst
The hydrofluoric acid concentration meter is used to measure the concentration of hydrofluoric acid in tanks and pipelines. It is widely applicable to various manufacturing processes that use hydrofluoric acid. For example, high-precision detection of hydrofluoric acid concentration is crucial in semiconductor manufacturing processes.
Product SKU: Acid Concentration Meter - Hydrofluoric Acid
Product Brand: Sino-Inst
Product In-Stock: InStock
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