35-3010 Category

The 35-3010RK series is a compact sample draw detector assembly with a built-in pump that accepts a 24VDC input. This unit features a NEMA 4X enclosure making it dust, water and corrosion resistant. It also features a flowmeter with adjustable flow and a low flow alarm which warns of any obstructions or restrictions in the flow system. Combustibles, oxygen, hydrogen sulfide and carbon monoxide versions are available in many different combinations. Combustibles and oxygen versions can be suplied with or without a 4-20 mA transmitter. The 35-3010RK series can also be configured with RKI's super toxic sensors offering a wide range of detectable toxic gases. The 35-3010RK is capable of single person calibrations and can be installed up to 500 ft. from a controller, and can interface to any RKI or third party control system (utilizing a 4-20 mA feedback signal). This is a very cost effective way of monitoring for several gases that may be in the same place, and for applications where the sensors cannot be located directly in the area to be monitored. The pump is capable of drawing a sample up to 50' from the sample point.
  • Simultaneously monitors up to 4 points in one enclosure
  • Available in LEL, O2, H2S, CO, H2, HC (ppm)
  • NEMA 4X enclosure
  • Long life pump
  • Flowmeter and LED's for operational status
  • Low flow indication
  • Operates on 24VDC input
  • LEL and O2 available with or without transmitter
  • Super toxic versions available
  • Petrochemical plants
  • Refineries
  • Water & wastewater treatment plants
  • Pulp & paper mills
  • Gas, telephone, & electric utilities
  • Parking garages
  • Manufacturing facilities
  • Steel
  • Automotive
  • HVAC
Sensor Type LEL O2 H2S CO Hydrocarbon
Min Operating Voltage 23 VDC
Max Operation Voltage 30 VDC
Signal Output 4 mA at 0% O2 20 mA at 100% O2 or direct connect 4 mA at 0% LEL 20 mA at 25% LEL or direct connect 4 mA at 0 ppm 20 mA at 100 ppm 4 mA at 0 ppm 20 mA at 300 ppm 4 mA at 0 ppm 20 mA at 500 ppm (Linear)
Sensor Response Time 30 seconds to 90% of concentration 20 seconds to 90% of concentration 45 seconds to 90% of concentration 30 seconds to 90% of concentration
Operating Environment
Location Indoor or outdoor
Temperature 30 – 120° F (0 – 50° C)
Humidity 0 – 99% RH, non condensing 5 – 95% RH, non condensing
Housing Wall mounting grey polycarbonate with hinged cover. NEMA 4X
Sensor Type Catalytic combustion Galvanic cell Electrochemical Metal Oxide Semiconductor
Sensor Life 2 years normal service 1-2 years normal service 2 years normal service 2 to 3 years normal service 5 to 10 years (typical)
Dimensions Height 15.5 394 mm Width 12.5 318 mm Depth 8.3 211 mm
Sampling Method Sample draw pump
Display Flow meter, LED's for operational status: pilot, fail
Warranty One year, materials and workmanship

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