Fixed combustible, toxic & asphyxiating gas detector - SENSEPOINT

The SensePoint fixed gas detector

Flammable gas detector

The Honeywell SensePoint fixed gas detector has a poison resistant pellistor catalytic detection system, which is part of a 3-wire mV bridge measurement circuit. The flammable combustible fixed gas detector measures target gas concentrations between 0 and 100% of the LEL (Lower Explosive Limit) for which it is calibrated.

Fixed toxic gas detector

Equipped with a high performance electrochemical gas sensor, the Honeywell fixed gas monitor detects toxic gases (in ppm) present in ambient air. The SensePoint toxic gas version is available for Cl2, CO, H2, H2S, NH3, NO, NO2 or SO2 gases with a 4-20 mA 2-wire linear output.

Oxygen gas detector (lack of oxygen)

This version of the SensePoint gas detector measures the oxygen depletion as a volume percentage (% / vol.) Like the toxic gas version, it has a 4-20 mA 2-wire linear output.

SensePoint detector technical specifications

• Detection principle:
  - Explosive gases: Poison resistant catalytic bead sensor 0-100% LEL (methane, butane, propane LPG, CNG or H2)
  - Toxic gases: Electrochemical sensor for gases Cl2, CO, NO2, H2, H2S, NH3, NO2, O2, SO2
• Power supply: 24 Vdc:

- combustible explosive gases: 3-wire mV bridge, 2.9 to 3.5 V, 0.7 W, constant current 200 mA
- Toxic gases and oxygen: 2-wire loop supply 4-20 mA (plus shielding), 16 to 30 Vdc, 0.9 W
• Housing: Phenylene Polysulfide (PPS)
• Protection index: standard IP65
• Junction box :
  - Earth continuity plate
  - 4-wire terminal block BK4 (four-way), 4 x 0.5 mm2 (AWG 20) to 2.5 mm2 (AWG 14),
  - Cable gland: 1 x M20, 1 x ¾ ”NPT, 1 x ½” NPT
• Certifications:
  - Explosive combustible gases: ATEX II 2 GD - Ex d IIC T6 Gb - Ex tb IIIC A21 Db IP67 T85ºC
  - Toxic gases and oxygen: ATEX II 2 GD - Ex d IIC T4 Gb - Ex tb IIIC A21 Db IP67 T135ºC
• Applicable standards: This product complies with current CE standards, in particular the following standards: EN50270 on electromagnetic compatibility, EN60079-29-1 on flammable gases, EN445544 on toxic gases (H2S only).