Omniguard® model 2100 Oxygen & Toxic Gas Detector

The Omniguard model 2100 gas detector detects and measures oxygen and toxic gases in industrial applications such as refineries, drilling and production platforms, gas turbines, chemical plants, fuel loading facilities, compressor stations, wastewater treatment facilities, LNG/LPG processing and storage facilities, transportation facilities, and manufacturing processes.

  • Oxygen and toxic gas detection
  • Wide range of detectable gases
  • HART rev 7 communication
  • Advanced self-test and diagnostics
  • 4-20 mA output signal

General specifications

Measuring typeDiffusion.
Measuring methodElectrochemical cell or semiconductor cell.
Detectable gasesO2 and toxic gases including CO, Cl2, NH3, and H2S.
Measuring rangeDepending on gas.
Accuracy+/-3% full range.

Performance

Oxygen response timeTypical 90% of range in less than 15 seconds.
Toxic gas response timeCO, Cl2, NH3, and H2S typical 90% of range in less than 45 seconds, depending on sensor.
Zero drift+/-2% full range.

Electrical

Input voltage18-31 VDC, nominal 24 VDC, ripple voltage less than 1 V.
Power consumptionMax. wattage 3.6 W at 24 VDC; max. current 150 mA at 24 VDC.
InterfacesAnalog 4-20 mA current interface and HART rev 7.

Operating limits

Operating temperatureTransmitter -40C to +80C.
Operating humidity5-99% RH non-condensing.
Pressure90-110 kPa.
Max air velocity6 m/s.

Mechanical

Dimensions (H x W x D)136 x 166 x 110 mm.
Weight1.8 kg aluminum; 4.0 kg stainless steel.
Conduit entry3/4-14 NPT or M20-1.5.
Housing materialsAluminum or stainless steel.

Configuration

Model2100
Product typeOxygen & toxic gas detector
Product type definitionGas Detectors (gas)
Ordering format[MODEL]-X X X X X X X
Housing material/conduit entry0 – Aluminium, 3/4-14 NPT (white); 1 – Stainless steel, 3/4-14 NPT; 2 – Aluminium, M20x1.5 (white); 3 – Stainless steel, M20x1.5
Detectable gas0 – O2 (Oxygen); 1 – CO (Carbon monoxide); 2 – Cl2 (Chlorine); 3 – NH3 (Ammonia); 4 – H2S (Hydrogen sulfide); 9 – Other, please specify
Measuring method0 – Electrochemical cell; 1 – Semiconductor cell
Measuring range0 – 0-3 ppm (Cl2); 1 – 0-30 ppm (H2S); 2 – 0-75 ppm (NH3); 3 – 0-150 ppm (CO); 4 – 0-300 ppm (CO); 5 – 0-25% Vol (O2); 9 – Other, please specify
Output signal0 – 4-20 mA, and HART rev 7
Configuration0 – Standard; 1 – Remote option
Approvals0 – IECEx, ATEX, UL, SIL2, CE

Oxygen and toxic gases

Detects oxygen and toxic gases including CO, Cl2, NH3, H2S, and other specified gases.

Proven sensor technology

Built on established sensor technology for fast response, measuring accuracy, and long-term stability.

HART communication

Standard HART rev 7 communication supports setup, integration, and diagnostics.

Advanced diagnostics

Self-test and diagnostic features support reliable field operation.

Smart calibration

Microprocessor-controlled functionality and simple calibration make operation and maintenance straightforward.

4-20 mA output

Standard analog output supports quick installation and operation.

Rugged enclosure

Weather- and flame-proof enclosure supports indoor and outdoor industrial environments.

Low ownership cost

Designed for dependable operation with accessible field maintenance.

Approvals

Approved for hazardous-area use, including IECEx, ATEX, UL, SIL2, and CE.

  • Swivel mount for all Aluminum 660/760/860 Flame detectors

    Material: Stainless Steel 304
    Part number: 20856

  • Swivel mount for all Stainless Steel 660/760/860 Flame detectors

    Material: Stainless Steel 316
    Part number: 24784

  • Pole mount 2″ for Swivel mount 20856

    Material: Stainless Steel 316L
    Part number: 26803

  • Pole mount 2″ for Swivel mount 24784

    Material: Stainless Steel 316
    Part number: 26807

  • Weather shield for all 660/860 Flame detectors

    Material: Stainless Steel 316L
    Part number: 23546

  • Air shield for all 660/860 Flame detectors

    Material: Delrin, Sintered Brass
    Part number: 8001023

  • Air shield for all 660 High-temp Flame detectors

    Material: Aluminum, Sintered Brass
    Part number: 26489

  • Test Gun for all 660 Flame detectors

    115VAC, USA, Canada
    Part number: 43808-2

  • Test Gun for all 660 Flame detectors

    100-240VAC
    Part number: 43808-3

  • Test Gun for all 660/860 Flame Detectors

    Part number: 540

  • Test Gun for all 660/760/860 Flame Detectors

    Part number: 545

Ready to configure Model 2100?

Use the configurator to choose the right version and options for your site, then request a quote.