Intrinsically Safe Hydrogen Sulphide Fixed Gas Detector FGD3 Series Using Electrochemical Gas Sensor Technology 

Standard range 0-50ppm, other ranges available up to 0-200ppm Hydrogen Sulphide, H2S. 
Suitable for use in Zones 1 and 2 hazardous areas. 
Two wire connection. 
8 to 24 volt dc operation. 
Industry standard 4 to 20mA output. 
Digital display. 
Single operator calibration. 
Hazardous Area Certificate No. 
BAS 01ATEX2300 
II 2 G Ex ia IIC T4 Gb (-20 deg. C ≤Ta< +60 deg. C) 
The FGD 3 Hydrogen Sulphide Gas Detector uses electrochemical sensor technology to detect the level of Hydrogen Sulphide in the atmosphere in various ranges up to 200ppm. The detectors use the industry standard 4-20mA current loop both to power the detector and to convey the gas levels detected to a control unit such as the Status Scientific Controls MCU Series. This means that under zero gas conditions 4mA is drawn from the supply, and under full scale gas conditions 20mA is drawn from the supply. The current varies linearly for gas levels between zero and full scale. The detector head uses a two-wire connection. 
Stock No. 
FGD3 Hydrogen Sulphide Gas Detector - (4-20mA Output) - Range 0-50ppm H2S 
For Quality Gas Detection at  
Competitive Prices Contact 
International - +44 (0) 1623 651381 
For Quality Gas Detection at Competitive Prices 
International - +44 (0) 1623 651381 
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