MM4 – Methanometer with Digital Transmission
Device features:
- High measurement accuracy
- Automatic shutdown of electricity when limit concentrations are exceeded
- Data transmission over the power cable
- Presentation of the result on the local display
- Emergency power supply of the device from a battery
- Continuous measurement of methane content in the atmosphere in the range from 0 to 100%
- Measurement range: 0÷100% CH4 in two sub-bands:
1)0÷5% CH4
2)5÷100% CH4 - Measuring transducer: - pellistor 0÷5% CH4
- thermoconductivity 5÷100% CH4
- Measurement error: ± 0.1% CH4 for concentrations of 0÷2% CH4
± 5% of indication value for concentrations 2÷5% CH4
± 3% CH4 for concentrations of 5÷60% CH4
± 5% of indication value for concentrations 60÷100% CH4
- T90 response time: 5 seconds
- Operating temperature range: -20°÷ 40°C
- Humidity range: 0÷95% (non-condensing)
- Power supply: 15÷60 V DC, 40 mA
- Number of inputs: Two two-state, cooperating voltage-free contacts, with line short-circuit control
- Test Certificate: KDB 06 ATEX 07
- Type of explosion-proof construction: I/II M1/2G EExia I/II (CH4)
- Venting the chamber: diffusion
- Shutdown outputs: Two with independently adjustable trip thresholds, galvanically isolated from the methane meter system
- Dimensions: 123×180×58 mm
- Weight: ok 2,5 kg
- Degree of protection of the housing: IP 54
- Compliance Mark: CE
