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  • DWYER二氧化碳/监测仪CDTA

    产品型号: CDTA
    品  牌: DWYER
    • 1 台
      ¥2800.00
    • ≧2 台
      ¥2700.00
    所 在 地: 陕西西安
    更新日期: 2025-04-29
    详细信息
     品牌:DWYER  型号:CDTA  加工定制:否  
     测量范围:0-5000PPM  测量对象:气体  测量精度:3%  
     分辨率:1%  电压:24 v 测量精度:3%  

    CDTA二氧化碳探测器 包括二氧化碳、湿度、温度和具有覆盖功能的温度设置点。 通过现场选择的Modbus®和BACnet通信,只需要四根电线的电力和通信信号。 所述通信检测器可以串接在一起,进一步降低了安装成本。 为了减少设置时间,使用DIP开关设置RS-485 MAC地址。 第二组DIP开关用于选择输出是Modbus®RTU还是BACnet MS/TP通信协议,并限制对set up菜单的访问。 CDTA系列使用单光束双波长非色散红外(NDIR)传感器来测量二氧化碳水平。 可以现场校准, 气压可以根据海拔高度调整。 湿度使用电容式聚合物传感器,温度使用10KO热敏电阻传感器测量。 湿度传感器是现场可更换的,不需要额外的校准。 可选的本地和远程显示器可用于显示任何参数, 液晶显示器可编程显示温度、湿度或温度设定值。

    产品应用 需求控制通风,在学校,办公大楼,医院,和其他室内环境

    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 min. 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:4.4 oz (125 g).

    Enclosure Rating:IP20.

    Agency Approvals:BTL, CE.

    Model Description
    CDTA-2N000 Carbon Dioxide / Temperature / Humidity Communicating Stat with Set Point and Override, Modbus and BACnet Output, North American Wall Mount Housing, 2000 PPM Range
    CDTA-2N000-LCD Carbon Dioxide / Temperature / Humidity Communicating Stat with Set Point and Override, Modbus and BACnet Output, North American Wall Mount Housing, 2000 PPM Range, LCD Display
    CDTA-5N000 Carbon Dioxide / Temperature / Humidity Communicating Stat with Set Point and Override, Modbus and BACnet Output, North American Wall Mount Housing, 5000 PPM Range
    CDTA-5N000-LCD Carbon Dioxide / Temperature / Humidity Communicating Stat with Set Point and Override, Modbus and BACnet Output, North American Wall Mount Housing, 5000 PPM Range, LCD Display
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