DWYER CO2 CONCENTRATION SENSOR
► Product Description
- The CDT SERIES is a CO2 sensor that accurately monitors the CO2 concentration and indoor temperature to save energy.
► Specifications
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Sensor:
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Single beam, dual-wavelength NDIR.
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Range:
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CO2: 0 to 2000 or 0 to 5000 ppm (depending on model) Temperature: 32 to 122°F (0 to 50°C).
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Accuracy:
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CO2: ±40 ppm ±3% of reading RH: ±2% (10 to 90% RH) Temperature: ±1°C @ 25°C
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Temperature:
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±1°C @ 25°C.
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Temperature Dependence:
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±8 ppm/°C at 1100 ppm.
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Non-Linearity
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16 ppm.
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Pressure Dependence:
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0.13% of reading per mm of Hg.
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Response Time:
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2 min for 99% step change.
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Duct Air Velocity Range:
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0-4000 FPM (20.32 m/s).
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Temperature Limits:
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32 to 122°F (0 to 50°C).
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Humidity Limits:
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10 to 95% RH (non-condensing).
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Power Requirements:
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16 to 35 VDC or 19 to 28 VAC.
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Power Consumption:
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Average: 2 w Peak: 3.75 w.
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Output:
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Current: 4 to 20 mA (max 500 Ω) Voltage: 0 to 5 VDC or 0 to 10 VDC (min 500 Ω)
Relay: SPST NO 2 A @ 30 VDC
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Weight:
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4.4 oz (125 g).
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Agency Approvals:
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CE.
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► Advantages
- Automatically adjust according to the usage status of the building over time
- Suitable for hospitals, greenhouses growing trees where operating continuously 24/24
- Measure even under intense light
- Avoid gas concentration errors according to theoretical assumptions
Should you need any further information, please do not hesitate to contact us!