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NEO Monitors LaserGas III O2 Ex-d Laser Oxygen Analyzer (SIL 2)

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NEO Monitors LaserGas III

Measured parameters: O₂ (Oxygen, Gas)

Measurement method: TDLAS Laser Absorption

LaserGas III O2 provides in-situ laser oxygen measurement with an Ex-d flameproof housing, SIL 2 and high-temperature options; from Tetra in Türkiye.

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Installation, calibration, spare parts and service in Türkiye come from Tetra; cabinet and panel integration can be done at our İzmir facility.

Technical information

Measurement principle
TDLAS
Measured gas
O2
Response time
1 s or longer
Repeatability
±LDL or 1% of reading (whichever is greater)
Operating temperature (ATEX)
-40 to +65 °C
Outputs
3× 4–20 mA, Modbus TCP, relay
Supply
18–32 VDC, max. 20 W

LaserGas III is a new-generation in-situ TDLAS analyzer designed by NEO Monitors to measure process oxygen in hazardous areas. Versions with an Ex-d (flameproof) housing are ATEX/IECEx approved and designed for use in hazardous areas. Measurement is made within the gas flow, on the duct.

Available configurations are a SIL 2-approved O2 monitor, a non-SIL standard and extended ambient temperature MK2 version, a version for high-temperature (HT) applications and insertion tube kits. It is used for safety oxygen monitoring and combustion optimization on boiler, furnace and flare lines.

LaserGas III features

  • Ex-d (flameproof) ATEX/IECEx housing
  • SIL 2-approved version
  • High-temperature (HT) and extended ambient temperature options
  • Ethernet (Modbus TCP), 3 analog outputs and relay
  • 4–20 mA inputs for temperature and pressure compensation
  • Class 1M eye-safe laser
  • Mounting with flange/purge and insertion tube kits

Spare parts and consumables

Write to us for spare parts and consumables; the Tetra service team supplies and replaces the right original parts for your instrument.

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