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DWYER 一氧化碳传感器开关 CMS300
The Model 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. An integral relay can be used for alarm conditions and is configured with preset jumper selectable ranges of 25, 60, or 150 PPM. Field calibration can be done by using Model GCK-200CO-2000CO2 calibration gas, Model A-507 calibration adapter, and the on board zero and span potentiometers
Sensor:Electrochemical, 5 years typical lifespan.
Range:0-300 PPM.
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 122°F (-20 to 50°C).
Storage Temperature:For best sensor life, 32°F to 68°F (0 to 20°C).
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 filledpolycarbonate.
Analog Output:Jumper selectable 4 to 20 mA (loop powered) or 2 to 10 V (maximum 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.
| Model | Description |
|---|---|
| CMS300 | Carbon monoxide transmitter & switch, 0-300 PPM, 4-20 mA/2-10 V (maximum load 2K Ω) |
DWYER 一氧化碳传感器开关 CMS300
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