Rosemount™ 936 Open Path Toxic Gas Detector
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
Drift: Long Term ± 5% of Full Scale
Displacement/Misalignment: ±1°
Detected Gas: Hydrogen Sulfide (H2S) or Ammonia (NH3)
Housing Material: 316L Stainless Steel Housing
Dimensions: Detector / Source 10.5" x 5.1" x 5.1" (267 x 130 x 130mm)
Weight: Detector / Source 11lb (5kg)
