Direct Connect Sensors Non Explosion Proof

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Direct Connect Sensors Non Explosion Proof

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 Sensors Non Explosion Proof

Non-Explosion Proof

O2 Oxygen

H2S Hydrogen Sulfide

CO Carbon Monoxide

Toxics

CO2 Carbon Dioxide

Sensor With J-Box65-2497RK *65-2 502RK65-2498RK65-2499RKSee Chart Below61-1007RK-02 61-1007RK-03 61-1007RK-05 61-1007RK-10
SensorsGalvanic cellElectrochemicalInfrared
Sensor Only65-2494RK
*65-2510RK
65-2495RK65-2496RKSee Chart Below61-0198RK-02 61-0198RK-03 61-0198RK-05 61-0198RK-10
Measuring Range0-25% Vol.0-100 ppm0-300 ppm0 - 5000 ppm 0 - 5.0% Vol. 0 - 50% Vol. 0 - 100% Vol.
Lower Detectable Limit (LDL)0.1% Vol.2% of full scale
Response Time (T-90)20 seconds or less35 seconds or less60 seconds or less30 seconds or less
Accuracy+/- 5% of full scale (0.5% volume for oxygen)
Life Expectancy2 years with normal service2 to 3 years with normal service5 years plus with
normal service
Operating Environment
LocationIndoor or outdoor, Class I, Div. 2
Temperature-4°F to 122°F
-20°C to 50°C
14°F to 104°F -10°C to 40°C-4°F to 122°F -20°C to 50°C
Humidity0 - 99% RH non condensing
Housing
Housing J-BoxCast aluminum, explosion-proof
SensorStainless steel, explosion-proof
ControllersCompatible with the following controllers: Beacon 110, Beacon 200, and Beacon 410
WarrantyOne year materials and workmanship

Direct Connect Sensors Non Explosion Proof

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 Sensors Non Explosion Proof

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