Copied CDTA Carbon Dioxide Detector
CDTA Carbon Dioxide Detector
Dwyer, CDTA-2N000-LCD, Series CDTA Communicating Carbon Dioxide Detector, 2000 PPM, NA Housing, LCDMeasures CO2, Humidity, Temperature, Temperature Set Point, and OverrideThe 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. By having field selectable Modbus® and BACnet Communications, only four wires are needed for power and the communication signal. The communicating detectors can be daisy-chained together to further reduce installation cost. In order to reduce the set up time, the RS-485 MAC address is set up using on board dip switches. A second set of dip switches are used to select whether output is Modbus® RTU or BACnet MS/TP communication protocols and to limit access to the set up menu.Like our Series CDT Carbon Dioxide Transmitter, the Series CDTA uses a Single Beam Dual Wavelength Non-Dispersive Infrared (NDIR) sensor to measure the carbon dioxide level. This technology can be used in installations that will be occupied 24 hours per day. For improved accuracy, the transmitter can be field calibrated to the environmental conditions of the installation. Also, the barometric pressure can be programmed to correct for altitude. The humidity uses a capacitive polymer sensor and the temperature is measured using a 10KO thermistor sensor. The humidity sensor is field replaceable without the need for additional calibration. Product ApplicationsOn Demand VentilationFeaturesField selectable Modbus® and BACnet communicationsSingle-beam dual-wavelength CO2 sensorReplaceable humidity/temperature sensorPhysical hardware lockoutOptional remote display toolApprovalsBTL Listed CE ApprovalRoHS Approval.
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