1 PC MH-T7042A Infrared CH4 Gas Sensor

$185.71
MH-T7042A is a universal type intelligent sensor to detect CH4 gas, taking advantage of non-dispersive infrared (NDIR) principle. With high selectivity, no oxygen dependence, high performance and long lifespan features,...

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Availability: 500 In Stock
Categories: Combustible gas sensor

MH-T7042A is a universal type intelligent sensor to detect CH4 gas, taking advantage of non-dispersive infrared (NDIR) principle. With high selectivity, no oxygen dependence, high performance and long lifespan features, MH-T7042A also has built-in temperature compensation feature. MH-T7042A is a compact and high-performance sensor based on infrared absorption of gas detection technology, micro-machining and sophisticated circuit design.

Application

Widely used for industrial field instrumentation, industrial-process control and safety protection

Features

  • High sensitivity, high resolution, low power consumption
  • Output method: IIC, analog voltage signal, etc.
  • Quick response
  • Temperature compensation, excellent linear output
  • Excellent stability, Long lifespan
  • Anti-poisons, anti-vapor interference
  • Detect combustible gas concentration matching with flame-proof marked detector in area 1&2 explosive environments which mix of ⅡA, ⅡB, ⅡC and T1-T6 flammable gases, vapors and air

Specifications

Product Model MH-T7042A
Gas Detected Combustible gas (see Table2)
Working Voltage 4.5~5.5V DC
Average Current < 100mA
Interface Level 3.3V
Measurement Range 0~100%VOL optional (table 2)
Output Signal UART
Warm-up Time <2minutes
Response Time T90 < 30s
Working Temperature -40℃ ~ 70℃
Working Humidity 0 to 95%RH, non-condensing
Dimension Φ51×65mm
Weight 450g
Lifespan >5 years
Explosion-proof sign Ex db ⅡC T6 Gb
Protection Grade IP65

Table 2

Gas Name Molecular Formula Detection Range Resolution Precision Note
Methane CH4 0-5% Vol 0.01% Vol 0~50% FS (±3%FS) 50%~100% FS (±5%FS) With Temperature compensation
Methane CH4 0-10% Vol 0.01% Vol
Methane CH4 0-100% Vol 0.1% Vol
Propane C3H8 0-2.2% Vol 0.01% Vol
Chloromethane CH3CL 0-8.1% Vol 0.01% Vol
Acetylene C2H2 0-2.3% Vol 0.02% Vol
Ethane CH3CH3 0-3.0% Vol 0.03% Vol
Isobutene C4H10 0-1.8% Vol 0.018% Vol
Gasoline C3-C12 0-1.1% Vol 0.01% Vol 0~50% FS (±5%FS) 50%~100% FS (±10%FS) No Temperature compensation
Methanol CH3OH 0-5.5% Vol 0.06% Vol
Dichloromethane CH2CL2 0-15% Vol 0.15% Vol
Toluene C7H8 0-1.2% Vol 0.012% Vol
Alcohol C2H5OH 0-3.3% Vol 0.033% Vol
Oxirane C2H4O 0-3.0% Vol 0.03% Vol
Acetic acid CH3COOH 0-4.0% Vol 0.04% Vol
Ethyl acetate CH3COOC2H5 0-2.0% Vol 0.02% Vol

 

* The description and specifications might be changed without notice. Please contact us for the latest information before placing orders.

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