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Carbon monoxide transmitter and switch: Series CMS300 DWYER

Current/Voltage Selectable Output, Jumper Selectable SPDT Relay Contact

Application

  • Garage or loading dock ventilation
  • Vehicle maintenance facilities
  • Mechanical room monitoring
CMT200_CMS300_Catalog CMS300_Manual +(84) 839 606 568

The Series CMS300 Carbon Monoxide Transmitter and Switch provides a field selectable current or voltage output that is proportional to the carbon monoxide concentration in underground parking garages, vehicle maintenance facilities, or mechanical rooms.

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Specification

Sensor:Electrochemical, 5 years typical lifespan
Range:0-300PPM
Output Drift:<5% per year in air
Temperature Effect:2% over range
Coverage Area:7,500 ft2 (700 m2) or 50 ft (15 m) radius
Accuracy:±5 PPM or 5% of reading for 0-300 PPM (whichever is greater)
Resolution:1 PPM
Temperature Range:-4 to 122oF (-20 to 50oC)
Storage Temperature:For best sensor life, 32 to 68oF (0 to 20oF)
Humidity Range:15-90%RH constant; 0-99% RH intermittent
Response Time:<45 seconds to 90% of final value
Calibration:15 turn span and zero adjustment potentiometers
Housing:UV resistant glass filled polycarbonate
Analog Ouput:Jumper selectable 4-20 mA (loop powered) or 2-10 V (max. Load 2k Ω)
Enclosure Rating:IP64
Weight:1 lb (0.45 kg)
Switch Type:Single-pole double-throw (SPDT)
Electrical Rating:30 VAC/VDC. N/O = 5 A. N/C = 3 A
Set Point:Jumper selectable 25, 60, or 150 PPM
Set Point Differential/Hysteresis:3% of scale
Relay Action:Factory set for direct acting
Agency Approvals:Sensor is UL recognized component for ANSI/UL-2034, UL-2075, E340403, CE

Feature

  • Field selectable current or voltage analog outputs
  • Integral SPDT relay contact for low or high alarm
  • Jumper selectable alarm set points of 25, 60, or 150 PPM
  • UL recognized carbon monoxide sensing element
  • Field calibration kits

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