Fixed Hydrogen Sulfide H2S Gas Detector with 4~20mA Signal Output

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Xi'an Huafan Instrument Co. Ltd







3/F,Xitie Building, No.205 North Jinhua Road, Xincheng District, Xi'an, Shaanxi, China (710000)


Model Number: OC-F08 for H2S Brand Name: Oceanus Key Specifications/Special Features: Description:OC-F08 series Fixed Hydrogen Sulfide H2S gas detector used the original imported sensor and the ultra-low power 32 bit microprocessor, so with the advantages of high precision, good repeatability, stable signal, respond quickly, etc. Possible connected with many controller system, such as PLC, DCS, computer and other, with the function of remote monitor and alarm, data logger and analysis.Common applications is gas safety inspection and alarm for industrial scene for H2S gas inspection.Features:4-20mA standard analog signal and RS485 digital signal output, 200~1000HZsignal output, relay output, data restore, data logger(optional);LED screen displaying the gas concentration, gas type, unit, instrument status etc.Independent air chamber, the sensor is not required to replace the sensor calibration, automatic identification of key parameters of the sensorProtection function to prevent high gas concentration attack.
Display the gas concentration in ppm, %LEL, %vol and mg/m3 is selectable.
Infrared remote controller operation;
With the 16bit ADC acquisition chip, designed with four-layer circuit board, so with high anti-interference ability.
With the Ex-proof certificate, the Ex-proof grade is Exd II CT6.
Applicable Gas Hydrogen Sulfide (H2S)
Detecting Range 0-20ppm、50ppm、100ppm、200ppm、500ppm、1000ppm、2000ppm、5000ppm or customized
Resolution 0.01ppm, 0.1ppm, 1ppm
Sampling Diffusion or pump-suction, circulation selectable
Accuracy ≤±3%F.S
Repeatability ≤±1%
Zero drift ≤±1%(F.S/year)
Sensor Type Electrochemical sensor
Sensor Life 2~3 years
Response Time (T90) ≤20s
Alarming mode Audible-visual alarm(Optional)
Operating Environment Temperature: -30℃~60℃ (Customized for special demands)
Humidity: ≤95%RH (non-condensing); if >90%RH, can add the filter
Pressure: 86kPa~106kPa
Working Voltage 24V DC(16~30VDC)
Output Signals (Standard)Three-wire system 4~20mA standard signals output, available for PLC, DCS,etc;
(Optional) Four-wire system RS485 digital signal output;
(Optional) Frequency signal 200~1000Hz output;
Two-level passive contact output:220VAC 0.5A, 5VDC 0.5A
Installation Means Wall mounted, Pipe type(Thread:M40*1.5 )
Material of Body Cast aluminum
Explosion-proof Index Ex d IIC T6
Protection Grade IP66
Electrical Interface 3/4″NPT(Female Screw)、1/2″NPT(Female Screw)
Transmit Distance ≤2000m
Dimension 210 mm×140 mm×92 mm(L×W×H)
Weight About 1.5Kg
Warranty 12 months
Standards GB15322.1-2003,GB3836.1-2010,GB3836.2-2010,GB3836.4-2010
Shipping Information:
  • FOB Port: Shanghai
  • Lead Time: 3 - 5 days
  • HTS Code: 9026.80.90 00
  • Dimensions per Unit: 21 × 14 × 9.2 Centimeters
  • Weight per Unit: 2 Kilograms
  • Units per Export Carton: 1
  • Export Carton Dimensions L/W/H: 22 × 15 × 10 Centimeters
  • Export Carton Weight: 2 Kilograms
Main Export Markets:
  • Asia
  • Central/South America

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