传感器:单光束双波长NDIR。
范围:CO2: 0-2000或者0-5000 ppm (根据型号); 温度: 32~122°F (0~50°C).
精度:CO2: ±40 ppm ±3%读数; 温度: ± 1° C @ 25°.
温度效应:±8 ppm/°C at 1100 ppm.
非线性:16 ppm.
压力效应:0.13%读数/mm of Hg.
反应时间:2 min for 99%
管道风速范围:0-4000 FPM (20.32 m/s).
温度限制:32~122°F (0~50°C).
湿度限制:10-95% RH (非结露).
电源:16-35 VDC 或者19-28 VAC.
功耗:平均: 2 w; 尖峰: 3.75 w.
输出:电流: 4-20 mA (max 500 Ω); 电压: 0-5 VDC 或者 0-10 VDC (min 500 Ω);继电器: SPST NO 2 A @ 30 VDC;
重量:4.4 oz (125 g).
封装:管道型: NEMA 4X (IP66)仅限于外壳部分; 挂墙式: IP20.
认证:CE.
选型表
EXAMPLE | CDT | 2 | W | 4 | 0 | LCD | Series CDT-2W40-LCD, Carbon Dioxide Transmitter, gas concentration range 200 ppm, wall mount, carbon dioxide output 0-5 VDC/0-10VDC/4-20mA, LCD display |
SERIES | CDT | Carbon DioxideTransmitter | |||||
GAS CONCENTRATION RANGE | 2 5 | 2000 ppm 5000 ppm | |||||
MOUNTING CONFIGURATION | W D E N | Wall Mount Duct Mount European Wall Mount North American Wall Mount | |||||
CARBON DIOXIDE OUTPUT | 4 | 0-5 VDC/0-10 VDC/4-20mA | |||||
TEMPERATURE OUTPUT | 0 4 A B C D E F | NONE 0-5 VDC/0-10 VDC/4-20 mA 10K OHM Type 3 NTC Thermistor 10K OHM Type 2 NTC Thermistor 3K OHM NTC Thermistor PT100 OHM RTD PT1000 OHM RTD 20K OHM NTC Thermistor | |||||
OPTIONS | CE COC FC LCD NBC RLY | CE Approval (Wall Mount only) Certificate of Calibration Factory Calibration Certificate LCD Display No Buttons (Wall Mount only) Relay Output |