Flameproof Combustible Gases Detector Transmitter E2658-LEL

Flameproof combustible gases detector-transmitter is flameproof detectors and transmitters intended for use in ATEX Zones 2 and 22.

Flameproof Combustible Gases Detector-Transmitter model VAC-E2658-LEL

  1. VAC-E2658-LEL is suitable for ATEX Zones 2 and 22.
  2. VAC-E2658-LEL is a long-lasting metal-oxide gas detector.
  3. Range of measurement for this flameproof combustible gases detector-transmitter is 0-100% LEL.
  4. Resolution of measurement of VAC-E2658-LEL is 0.1% LEL.
  5. It has 2 analogue outputs settable at 4-20 mA or 0-10 V with RS485 Modbus RTU digital interface.
  6. VAC-E2658-LEL has 2 SPTS relays (option).

Specifications of Flameproof combustible gases detector-transmitter model VAC-E2658-LEL:

  1. VAC-E2658-LEL can detect acetylene, butane, hydrogen, methane, and propane gases.
  2. The default calibration for VAC-E2658-LEL is Methane CH4.
  3. Sensor type used is a metal-oxide-semiconductor. Catalytic bead (pellistor) is also available but not suitable for acetylene.
  4. The flameproof combustible gases detector-transmitter model VAC-E2658-LEL sampling method is diffusion.
  5. Typical detection range for MOS and the catalytic sensor is 0-100% LEL.
  6. MOS sensor has 0.1% LEL while catalytic sensor has 1% LEL.
  7. Response time T90 for MOS is ~60 seconds while for the catalytic sensor is 8 seconds.
  8. Sensor lifetime for MOS is more than 5 years while catalytic is more than 2 years.
  9. MOS has 12 months maintenance interval while catalytic has 3-6 months.
  10. Operating temperature for MOS sensor is -30 to +70 degrees Celsius while for the catalytic sensor is -20 to +60 degrees Celsius.
  11. The signal is updated every 1 second.
  12. Self-diagnostics with full functionality check at start-up.
  13. Warm-up time of this flameproof combustible gases detector-transmitter model VAC-E2658-LEL is less than or equal to 1 minute.
  14. The power consumption of this flameproof combustible gases detector-transmitter model VAC-E2658-LEL is 11-30 VDC or 24 VAC. 90 to 265 power unit is also available.
  15. The power consumption is less than 2 VA.
  16. VAC-E2658-LEL has RS485 Modbus RTU digital interface.
  17. It has 2 analogue outputs settable to 4-20 mA or 0-10 V.
  18. The enclosure of this flameproof combustible gases detector-transmitter model VAC-E2658-LEL is a grey die-cast aluminium with an IP66 safety rating.
  19. The dimensions of this flameproof combustible gases detector-transmitter model VAC-E2658-LEL is H120 × W125 × D57 millimetres.
  20. VAC-E2658-LEL is flameproof and with the protection of ATEX: II 2 GD, Ex ed IIC T4 Gb.
  21. It has a cable gland with M25 for SWA cable or steel conduit Ø10 to 17 millimetres.
  22. The wire-conductors of this flameproof combustible gases detector-transmitter model VAC-E2658-LEL is 0.5 to 1.5 mm2.
  23. It can be operated at industrial indoor and outdoor areas, safe areas, and ATEX Zones 2 and 22.
  24. Operating conditions of this flameproof combustible gases detector-transmitter model VAC-E2658-LEL is less than 95% relative humidity with 0.9 to 1.1 atmospheric pressure, normal ambient oxygen level.

Relay option (ordering code R)

  1. VAC-E2658-LEL has 2 SPST output relays (closing contact) with 250 VAC or 30 VDC at 5 A max current.
  2. The default warning set-points of this flameproof combustible gases detector-transmitter model VAC-E2658-LEL at RE1 (LOW) is set at 20% LEL, release 16% LEL.
  3. The default warning set-points of this flameproof combustible gases detector-transmitter model VAC-E2658-LEL at RE2 (HIGH) is set at 50% LEL, release 40% LEL.

We supply flameproof combustible gases detector-transmitter across the world covering Europe, USA, Latin America, Asia, Australia, New Zealand, Canada etc.

In the Middle East, we supply flameproof combustible gases detector-transmitter in the United Arab Emirates, Kingdom of Saudi Arabia, Oman, Qatar, Bahrain, Iraq, Lebanon, Egypt, Jordan, Libya, Tunisia etc.

In Africa, we supply flameproof combustible gases detector-transmitter in countries including Kenya, Algeria, Tanzania, Djibouti, Chad, Ghana, Rwanda, Uganda, Nigeria, Ethiopia, Morocco, Angola, South Africa etc.

Also, we supply flameproof combustible gases detector-transmitter to India, Bangladesh, Pakistan, Afghanistan, Kazakhstan, Srilanka, Maldives and Cyprus.

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