FST800-214 Intrinsically Safe Pressure Transmitter
-1…0~0.1…1000 bar, Ex ia IIB T6 Ga, 4~20 mA two-wire, for petrochemical and gas service.
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CHANGSHA · HUNAN · SINCE 1965
Firstrate Sensor
From Changsha Hongqi Instrument Factory in 1965 to industrial sensors and IoT sensing today: pressure, temperature, level, flow, wind and displacement — about 500,000 units a year, shipped to more than 100 countries.
60 years of manufacturingRooted in Hongqi Instrument Factory, 1965
Glass micro-fusionOne-piece 17-4PH body, no welds, no O-rings
80+ certificationsCPA / CQC / CE / RoHS / Ex / ATEX / MA
500,000 units a yearExported to more than 100 countries
ABOUT US
Company profile
Hunan Firstrate Sensor Co., Ltd. (brand Firstrate) is based in the Yuhua Economic Development Zone smart manufacturing park in Changsha, Hunan. The company develops, manufactures and sells industrial sensors, intelligent control instruments and IoT sensing, tr…
01
Full sensor range
Pressure, temperature, level, flow, wind, displacement and force — 400+ models across nearly 30 industries.
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Hazardous areas
Ex ia intrinsically safe and Ex d flameproof designs with ATEX and MA certification for petrochemical, gas and mining duty.
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IoT sensing terminals
Manhole, flooding, network pressure and water quality terminals over NB-IoT or 4G for urban lifeline and smart water programmes.
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OEM / ODM
Range, thread, output and housing configured to the application, with selection support and volume delivery.
PRODUCTS
Product center
Core products with key specifications, customizable by drawing or sample.
FST600-202 Integrated Temperature Transmitter
PT100 / PT1000, -50~120 °C, 4~20 mA or 0~5 / 0~10 V, ±0.5%FS, 304 stainless housing, IP65.
Details →FST700-101 Submersible Level Transmitter
0-1…50 m, ±0.5%FS, 4~20 mA / 0~10 V / RS485, IP68 — tanks, pumping stations, wastewater and rivers.
Details →FST200-204 Ultrasonic Wind Sensor
0~60 / 70 m/s, ±0.3 m/s, direction ±2°, no moving parts, stainless housing IP66 — wind power and meteorology.
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CERTIFICATES
Certificates
Quality, environmental and export certificates available on request.
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- · Email: liifooroom@gmail.com
- · OEM/ODM and sampling supported
- · Export documents and packaging customizable