Gas and Specialty Sensors

301EM-K



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301EM-K

Gas Detection System 301EM-K

Gas Detection System

 

The Kele 301EM-K Series gas detection system delivers control functionality for up to 20 remote refrigerant sensors and detects a wide variety of gases. The controller is equipped with a backlit LCD display and keypad that can be placed in a safe area, remote from the sensors. 


Products
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QtyModelDescriptionIn StockList PriceInternet Price
301-EM-RFSA-US3-K MECHANICAL ROOM CONTROLLER WITH HORN/STROBEINFO4,561.002,554.16
301-EM-US3-K MECHANICAL ROOM CONTROLLERIn Stock3,571.001,999.76
301-EMRP-K REMOTE PANELINFO1,813.001,015.28
301-EMRP-RFSA-K REMOTE PANEL WITH HORN/STROBEIn Stock2,541.001,422.96
S301-IRF-R11-K R11 REFRIGERANT GAS SENSORINFO3,651.002,044.56
S301-IRF-R123-K R123 REFRIGERANT GAS SENSORINFO3,651.002,044.56
S301-IRF-R1233ZD-K R1233ZD REFRIGERANT GAS SENSORINFO3,620.002,027.20
S301-IRF-R1234ZE-K R1234ZE REFRIGERANT GAS SENSORINFO3,620.002,027.20
S301-IRF-R125-K R125 REFRIGERANT GAS SENSORINFO3,934.002,203.04
S301-IRF-R134A-K R134A REFRIGERANT GAS SENSORIn Stock3,651.002,044.56
S301-IRF-R22-K R22 REFRIGERANT GAS SENSORINFO3,934.002,203.04
S301-IRF-R404A-K R404A REFRIGERANT GAS SENSORINFO3,763.002,107.28
S301-IRF-R407C-K R407C REFRIGERANT GAS SENSORINFO3,763.002,107.28
S301-IRF-R410A-K R410A REFRIGERANT GAS SENSORIn Stock3,649.002,043.44
S301-IRF-R4310-K R4310 REFRIGERANT GAS SENSORINFO3,763.002,107.28
S301-IRF-R448A-K R448A REFRIGERANT GAS SENSORINFO3,743.002,096.08
S301-IRF-R507A-K R507A REFRIGERANT GAS SENSORINFO3,763.002,107.28
S301-IRF-R514A-K R514A REFRIGERANT GAS SENSORIn Stock3,649.002,043.44

Accessories

No accessories found
Features
  • Sense one to twenty zones 
  • Sensors available for toxic and combustible gases and refrigerants 
  • RS-485 Modbus communication 
  • Contact input for manual break-glass switches 
  • Three 24VDC outputs to activate strobes and horns 
  • 4-20mA output for each sensor 
  • Four relay outputs 
  • Easy-to-read LCD display 
  • Explosion proof sensors for combustible and toxic gases 
Specifications

Supply Voltage: 22-27 VAC @ 48 VA, 50/60 Hz or 22-38 VDC @ 2 A max.

Accuracy: ±40 ppm @ 500 ppm

Signal Output: 4-20mA, 1000Ω @ 24 VDC each sensor

Communication: RS-485, Modbus

Measurement RangeCONO2Refrigerants:  0-250 ppm 0-10 ppm  0-1000 ppm 

Sensing TechnologyCORefrigerants:   Electrochemical  Dual Infrared Sensor

Distance To Transmitters: Up to 500 feet (160 m), 200 ft (60.9m) maximum

 Calibration Interval: 6 months

Visual Indication: Green - Normal    Red - Alarms A, B, & C  Yellow - Fault/Service Alarm   Amber - Tx (network mode) 

Display: Backlit LCD

Response Time: 60 seconds

Relay Output: 4 DPDT relays (20 ppm diff)  (4) 5A, 30 VDC or 250 VAC (resistive) 

Alarm Auditory Levels [Db]: 65 dBA @ 3 ft (1m) internal

Gases Detected: CO, NO2, O2, SO2 refrigerant gases, (see ordering guide)

Operating Temperature301RKF, EM-KS30102 :  32° to 100°F (0 to 40°C) -40° to 104°F (-40 to 40°C)

Operating Humidity: 0% to 95% RH (noncondensing)

Enclosure Rating: NEMA 1

Dimensions301EMRP-K (controller)5301-IRF-***-K (sensor)5301D (sensor):  7.99"H x 11.02"W x 2.76"D (20.3 x 28 x 7 cm) 4.02”H x 11.02”W x 2.48”D (10.2 x 28 x 6.3 cm) 3"H x 2" Diameter (7.6 x 5.1 cm)

Weight301EM-K301-IRFS301D:  3.1 lb (1.4 Kg) 2.3 lb (1.0 Kg) 2.0 lb (0.9 Kg)

Approvals: CSA C 22.2, UL 61010-1

Warranty: 1 year

Certifications






Download Additional Data

document   301EM-K Catalog Page
document   301EM User Manual