Starting at $13,054.99
  • Usually ships in 10-12 weeks



  • 0 to 500ppm.m sensitivity range
  • 200 to 300nm spectral response
  • ≤10 second response time
  • ±1° alignment tolerance
  • User programmable via HART or RS-485 Modbus protocols
  • Built-in data logger (records up to 100 events)
  • 24VDC nominal (18-32VDC) power supply
  • Heated Optics to eliminate condensation and icing
  • 316L stainless steel housing
  • Not influenced by solar radiation, hydrocarbon flames and other IR radiation sources
  • 3 year warranty
Note: Transmitter and receiver both must be ordered as separate parts


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


  • Offshore platforms and floating production storage and offloading (FPSOs)
  • Petrochemical plants
  • Chemical processing plants
  • Gas filling and distribution terminals
  • Gas transport and pipelines
  • Agriculture
  • Food and beverage
  • Waste management
  • Water treatment
  • Pharmaceutical