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HK Instruments CDT2000-1R-rH-D Carbon dioxide and humidity transmitter for room (CO2: 400–2000 ppm; rH:0–100 %; with display & relay)

Measurement ranges: 

+ CO2: 400–2000 ppm 

+ Temperature: 0...50 °C 

+ Relative humidity: 0–100 % 

Accuracy: 

+ CO2: ±40 ppm + 3 % of reading, typical;  DC model: 75 ppm or 10 % of reading (whichever is greater) 

+ Temperature: <0.5 °C 

+ Relative humidity: ±2…3 % rH at 0…50 °C and 10…90 % rH 

+ Total error band includes accuracy, hysteresis and temperature effect over 5...50 °C and 10–90 % rH 

Measurement elements: Temperature sensor: Pt1000 / Integrated (models with rH-measurement), Non Dispersive Infrared (NDIR) CO2 sensor, thermoset polymer capacitive sensing element for humidity

Measuring units: ppm, °C, % rH

Calibration: Automatic self-calibration, ABC LogicTM or continuous comparison (DC)

Supply voltage: 24 VDC/VAC ±10 %

Output signal 1: 0/2…10 V or 4…20 mA (linear to CO2) (2–10 V output: display required)

Optional output signal 2: 0/2…10 V or 4…20 mA (linear to rH) (2–10 V output: display required)

Output signal 3: 0/2…10 V or 4…20 mA (linear to Temp) (2–10 V output: display required)

Optional relay output: Potential free SPDT 250 VAC, 6 A / 30 VDC, 6 A with adjustable switching point and hysteresis

Operating temperature: 0...50°C

Protection standard: IP20

With display & relay

Details

Summary


Datasheet


Manual

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