Direct Connect ESM-01 Toxic Sensors

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Item #: 65-2301RK
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$617.50 Was: $650.00
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Direct Connect ESM-01 Toxic Sensors

The RKI Direct Connect series gas sensor are highly reliable and very cost effective for the detection of common gas hazards. The direct connect series are available for LEL, H2 Specific LEL, LEL IR, Oxygen, H2S, CO, CO2, and for a variety of toxic gases. The sensors for LEL, H2, Oxygen, H2S, CO2, and Carbon Monoxide are explosion-proof with flame arrestors, and approved for use in hazardous areas (Class 1, Div. 1 Groups B, C, D). An optional non-explosion proof version is available for oxygen, H2S, CO, and CO2 for use in non-hazardous atmospheres.

The Direct Connect sensors can be used in two different ways. The sensors can be mounted directly to the controllers as a complete stand alone system, or they can be mounted to explosion proof junction boxes for remote detection.

The toxic sensors are electrochemical type plug-in sensors, which provide high specificity, fast response, and long life. The plug-in design allows quick replacement in the field with no tools required. Toxic sensors are designed for use in Class I, Div. 2 hazardous locations. Sensors are available for NH3, SO2, PH3, AsH3, and HCN. 

The Direct Connect sensors can be used either indoors or outdoors. The flame arrestors for the explosion-proof versions utilize a patented coating which make them water repellent. Also, splash guards are available for use in very wet environments. An optional stainless steel junction box is available for corrosive environments. 

All of the Direct Connect sensors are designed to specifically interface with RKI Beacon 110, 200, and 410 controllers.

Controllers sold separately.

Features:

  • Available gases include
    • LEL, H2S, CO, & CO2
    • Toxic sensors include NH3, AsH3, HCN, PH3, and SO2
  • Infrared sensor for combustibles and CO2
  • Patented water repellent sensor coating
  • Explosion proof construction
  • Optional stainless steel junction box
Applications:
  • Petrochemical plants
  • Refineries
  • Gas plants
  • Offshore drilling platforms
  • Water & wastewater treatment plants
  • Pulp & paper mills
  • Gas, telephone, & electric utilities
  • Parking garages
  • Manufacturing facilities
  • Steel 
  • Automotive
For sensors not listed or any questions, please call.

Download Product Datasheet (PDF) click here

Direct Connect ESM-01 Toxic Sensors

S2 toxic sensor

Non Explosion Proof Toxic Assemblies

Ordering Information

Part Number 
With J-Box
Part Number 
Without J-Box
GasRange
65-2301RK-AsH365-2300RK-AsH3Arsine (AsH3)0 - 1.5 ppm
65-2301RK-NH365-2300RK-NH3Ammonia (NH3)0 - 75.0 ppm
65-2301RK-HCN65-2300RK-HCNHydrogen Cyanide (HCN)0 - 15 ppm
65-2301RK-PH365-2300RK-PH3Phosphine (PH3)0 - 1.00 ppm
65-2301RK-SO265-2300RK-SO2Sulfur Dioxide (SO2)0 - 6.00 ppm

Direct Connect ESM-01 Toxic Sensors

Direct Interface with Beacon 110 / 200 / 410

Direct Connect Wiring Matrix

SensorNumber of Wires to ControllerMaximum Distance to Controller
18 AWG wire min.
LEL / CO24500 ft.
Oxygen2500 ft.
H2S2500 ft.
CO2500 ft.
Toxics2500 ft.

Direct Connect ESM-01 Toxic Sensors

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