The Rosemount 936 Open Path Toxic Gas Detector provides continuous monitoring for hydrogen sulfide (H2S) gas or ammonia (NH3) gas, even in harsh environments where dust, fog, rain, snow or vibration can cause a high reduction of signal. This toxic gas detector utilizes ultraviolet technology and has long range detection up to 200 ft (60 m). Worldwide approvals for the Rosemount 936 Open Path Toxic Gas Detector include ATEX, IECEx, FM/FMC, INMETRO, TR CU, and SIL 2 (TÜV).

Features

• High immunity to false alarms
• Heated optics for use in extreme environments
• Built-in data logger (records up to 100 events)
• Real time diagnostics
• Reduced cross sensitivity
• Factory calibrated gas settings for greater accuracy
  

Specifications

Time Constant / Response

T90 ≤ 3 Seconds

Sensitivity Range

0-500 ppm.m

Spectral Response

200-300nm

Temperature Range

-67 °F to +149 °F (-55 °C to +65 °C)

Humidity Range

Up to 95% Non-Condensing (Withstands up to 100% RH for Short Periods)

False Alarm Immunity

Not Influenced by Solar Radiation, Hydrocarbon Flames and Other External Sources

Power Supply

24 VDC Nominal (18-32 VDC)

Heated Optics

To Eliminate Condensation and Icing on the Window

Warranty

3 Years

Drift

Long Term ± 5% of Full Scale

Displacement/Misalignment

±1°

Detected Gas

Hydrogen Sulfide (H2S) or Ammonia (NH3)

Housing Materia

l316L Stainless Steel Housing

Dimensions

Detector / Source 10.5" x 5.1" x 5.1" (267 x 130 x 130mm)

Weight

Detector / Source 11lb (5kg)