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Carbon dioxide transmitters: Series CDTA DWYER

Measures CO2, Humidity, Temperature, Temperature Set Point, and Override

Application

  • Demand control ventilation in schools, office buildings, hospitals, and other indoor environments
  • LEED® certification
CDTA_Catalog CDTA_Manual (+84) 903 999 357

The SERIES CDTA Communicating Carbon Dioxide Detector combines the function of three room sensors into a single, compact housing. Parameters include carbon dioxide, humidity, temperature, and temperature set point with override.

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Specification

Sensor (CO2):Single-beam, dual-wavelength NDIR; Humidity: Capacitive polymer; Temperature: 10KΩ thermistor.
Range:CO2: 0 to 2000 or 5000 PPM CO2 (depending on model); Humidity: 0 to 100% RH; Temperature: 32 to 122°F (0 to 50°C).
Accuracy:CO2: ±40 ppm ±3% of reading; RH: ±2% (10 to 90% RH); Temperature: ±1°C @ 25°C.
Temperature Dependence (CO2):±8 ppm / °C at 1100 ppm.
Non-Linearity (CO2):16 ppm.
Pressure Dependence (CO2):0.13% of reading per mm of Hg.
Response Time (CO2):2 minutes for 99% step change.
Temperature Limits:32 to 122°F (0 to 50°C).
Humidity Limits:10 to 95% RH (non-condensing).
Power Requirements:10 to 42 VDC / 10 to 30 VAC.
Power Consumption:Average: 0.5 watts; Peak: 1.2 watts.
Output:2-wire RS-485, Modbus® RTU or BACnet MS/TP communication protocol.
Weight:5.6 oz (158.8 g).
Agency Approvals:BTL, CE.

Feature

  • Digital Intelligent Temperature Compensation Algorithm (DITCA) corrects for errors due to self heating effects of combination wall sensors
  • Field selectable Modbus and BACnet communications reduces wiring
  • Single beam dual wavelength CO2 sensor
  • Replaceable humidity/temperature sensor
  • Physical hardware lockout
  • Optional remote display tool
   

 

Posted by Tuan

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Email: info@bkic.vn

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Address: No. 4, Street 59, Binh Trung Ward, Ho Chi Minh

Phone: (+84) 903 999 357

Email: info@bkic.vn

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Address: No. 35, Lane 45, Tran Thai Tong Street, Cau Giay Ward, Ha Noi

Phone: (+84) 915 141 176

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