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RKI Instruments 35-3000 LEL Sample Draw Assembly in NEMA 4X Enclosure with Transmitter - 35-3000RKA-LEL
Item #:
35-3000RKA-LEL
Brand:
RKI Instruments
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35-3000RKA-LEL LEL Sample Draw Assembly in NEMA 4X Enclosure with Transmitter by RKI Instruments
The 35-3000RK 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 with or without a 4-20 mA transmitter. The 35-3000RK is also available with both LEL and oxygen sensors in one unit.
The 35-3000RK is capable of single person calibrations and remote sampling at up to 5,000 ft. from a controller, and interfacing to any RKI or third party control system (utilizing a 4-20 mA feedback signal). Multigas versions of this efficient sample draw system are available with up to four sensors, LEL, O2, H2S and CO all in one enclosure. This is a very cost effective way of monitoring for several gases that may be in the same place.
Features
- NEMA 4X enclosure
- Long life pump
- Flowmeter and LED's for operational status
- Low flow indication
- Operates on 24VDC input
- Multigas versions available with up to 4 sensor in one enclosure
- Available in LEL, O2, H2S, CO, H2, HC (ppm)
- LEL and O2 available with or without transmittter
- LEL and O2 available together in one standard compact enclosure
Industry Applications
- Petrochemical plants
- Refineries
- Water & wastewater treatment plants
- Pulp & paper mills
- Gas, telephone, & electric utilities
- Parking garages
- Manufacturing facilities
- Steel
- Automotive
- HVAC
*Please note we can only ship RKI products to customers within the United States
Part # | LEL 35-3000RKA-LEL |
O2 35-3000RKA-O2 |
H2S 35-3000RKA-H2S |
CO 35-3000RKA-CO |
H2 35-3000RKA-11 |
Min Operating Voltage | 23 VDC |
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Max Operating Voltage | 30 VDC |
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Max Current Draw | 250 mA |
200 mA |
200 mA |
200 mA |
250 mA |
Measuring Range | 0-100% LEL |
0-25% Vol. |
0-100 ppm |
0-500 ppm |
0-2000 ppm |
Signal Output | 4 mA at 0% LEL 20 mA at 100% LEL |
4 mA at 0% 20 mA at 25% |
4 mA at 0 ppm 20 mA at 100 ppm |
4 mA at 0 ppm 20 mA at 500 ppm |
4 mA at 0 ppm 20 mA at 2000 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 |
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Temperature | 30 – 120° F |
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Humidity | 0 – 99% RH non condensing |
5 – 95% RH,
non condensing |
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Sensor Type | Catalytic combustion |
Galvanic cell |
Electrochemical |
Metal Oxide Semiconductor |
|
Sensor Life | 1 to 2 years
normal service |
2 years normal
service |
2 years normal
service |
2 to 3 years normal service |
5 to 10 years (typical) |
Dimensions | Height 8.5" 216 mm Width 7.0" 178 mm Depth 4.3" 109 mm |
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Sampling Method | Sample draw pump |
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Display | Flow meter, LED’s for operational status; pilot, fail |
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Warranty | One year, materials and workmanship |