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Fixed Transmitters HomeProducts > Gas detection > Fixed Transmitters >
Smart Combustible Gas Detector

The sgm smart gas transmitter is an internationally standard two-line gas transmitter for combustible gas detection. It conveys the value of the input gas concentration to standard 4-20 mA current output and features non-stop on-line digital option, on-site multi- parameter LCD display with backlighting, plug-and-play for sensor replacement as well as automatic full range temperature compensation.
With advantages of its outstanding performance, functional stability and reliability, convenience through installation and maintenance as well as wide coverage of gas to detect, the sgm smart combustible gas transmitter has greatly met the demand of spot industrial safety detection which cries for equipment’s stable function with high reliability and gas type diversification. So far, it has been widely applied in fields such as oil, chemical plant, metallurgy, coking, gas transportation & distribution, biochemistry, pharmaceutical labs, wastewater treatment facilities, etc.
The sgm combustible gas transmitter covers a wide range of gases as follows:
CH4,C2H6,C3H8 ,C4H10,C5H12,C6H14,C7H16,C8H18,H2,C2H4,CH4O,C2H6O,C3H8O2,C3H6O,
C
4H8O,C6H12O,C6H12,C4H10O,C4H8O2,C7H8, C8H10, C2H2, etc.


Features
 * 3-Wire standard with 4-20 mA current output, compatible with existing detector controllers and DCS(Distributed Control System)
 * Anti-explosion crust design according to IEC61508 wiring safety standardization with safe, convenient and prompt on-site installation and maintenance.  
 * Multi-parameter and large screen LCD display with back lighting, including gas concentration, type, unit, percentage bar and working state, etc.
 * On site flash indicator with low and high limit warnings, programmable setting for earning values.
 * Plug-and-play internationally standard automatic sensor
 * Sensor replacement without on-spot demarcation, automatic sensor recognition
 * Automatic notification of sensor malfunction with its current signal output
 * Smart user software of PC or standard PDA to achieve single person & a spot maintenance
 * Setting & maintenance without interference with controlling cells

Technical parameters
 * Operating voltage: 24VDC (10.5 ~ 32 VDC)
 * Analogue signal output: 4~22.8 mA Linear output; 3.6 mA mal-current output;
 * Digital signal output: none
 * T90response time: <10seconds;
 * Reversion time: <20seconds;
 * Resolution: 1uA;
 * Precision: ±3%F.S.;±1%F.S. (customization);
 * Display mode: LED display with backlight;
 * Display units: %LEL,%VOL, mA, %;
 * Bisection warning values: programmable setting;
 * Environmental Operating Temperature: -40~70℃ (which depends on transmitter parameter)
 * Operating Humidity: 10-95% R.H.(no condensing);
 * Anti-explosion rank: Ex d IIC T6;
 * Material of crust: Aluminium anti-explosion crust
 * Accessories:stainless steel;
 * Size of complete transmitter: 186mm (L) 140mm (W) 91mm(H);
 * Rank of prevention & protection:IP66;
 * Weight: about 1.5 kg;

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