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DWYER二氧化塔传感器CDTC系列

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产品简介

TheSeriesCDTCCommunicatingCarbonDioxideSensorcombinesthefunctionoftworoomsensorsintoasingle,compacthousing

详细介绍

The Series CDTC Communicating Carbon Dioxide Sensor combines the function of two room sensors into a single, compact housing. Parameters include carbon dioxide, 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 CDTC 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.

Optional local and remote displays are available to display any of the parameters. For applications in which the building occupants aren’t familiar with CO2 concentrations, the LCD can be programmed to display temperature or temperature set point instead.

Range:0 to 2000 or 5000 PPM CO2 (depending on model); 32 to 122°F (0 to 50°C) temperature.

Accuracy:±40 PPM ±3% of reading carbon dioxide; ± 1°C @ 25°C temperature.

Response Time:<2 minutes, diffusion, carbon dioxide.

Sensor Technology:NDIR (non-dispersive infrared); 15 year light source.

Temperature Limits:32 to 122°F (0 to 50°C).

Output:2-wire RS-485, Modbus® RTU or BACnet MS/TP communication protocol.

Temperature Dependence:±8 PPM / °C at 1100 PPM carbon dioxide.

Non-Linearity:16 PPM carbon dioxide.

Pressure Dependence:0.13% of reading per mm Hg carbon dioxide.

Humidity Limits:10 to 95% RH (non-condensing).

Power Requirements:10-42 VDC or 10-30 VAC.

Weight:4.4 oz (125 g).

Agency Approvals:BTL, CE.

Model	Description
CDTC-2E000	Communicating carbon dioxide transmitter with temperature output, 2000 PPM range and European housing
CDTC-2E000-LCD	Communicating carbon dioxide transmitter with temperature output, 2000 PPM range, European housing an LCD display
CDTC-2N000	Communicating carbon dioxide transmitter with temperature output, 2000 PPM range and North American housing
CDTC-2N000-LCD	Communicating carbon dioxide transmitter with temperature output, 2000 PPM range, North American housing and LCD display
CDTC-5E000	Communicating carbon dioxide transmitter with temperature output, 5000 PPM range and European housing
CDTC-5E000-LCD	Communicating carbon dioxide transmitter with temperature output, 5000 PPM range, European housing and LCD display
CDTC-5N000	Communicating carbon dioxide transmitter with temperature output, 5000 PPM range and North American housing
CDTC-5N000-LCD	Communicating carbon dioxide transmitter with temperature output, 5000 PPM range, North American housing and LCD display