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  • 产品名称：温湿度数字变送器，墙面安装

  • 产品型号：WM291
  • 产品厂商：其它品牌
  • 产品文档：
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简单介绍：
WM291相对湿度变送器内置了HYGROSMART传感器可更换模块。这个模块让您轻松的更换传感器部分。结果是，仪表的整个维护费用大大大的节省了，维护的时间也大大的减短了。 亮点温湿度输出信号：可通过软件选择数字输出：RS485（MODBUS）密封防护：IP67HYGROSMART传感器可更换模块湿度测量具有线性和温度补偿
详情介绍：

Technical Specification

PERFORMANCE
Measurement Range (RH)0-100% RH
Measurement Range (T)-30 to +70°C
Accuracy RH @ 23°C<±2% RH (5-95% RH)
Accuracy T @ 23°C±0.4°C (-10 to +50°C)
Stability - RH Sensor<±1% RH/year
Response Time<10 sec typical (for 90% of the step change)
ELECTRICAL INPUT/OUTPUT
Output Signal0–1 VDC, 0–5 VDC, 0–10 VDC
0–20mA, 4–20mA (3 wires) RS485
Supply Voltage15 ≤ VAC ≤ 27
18 ≤ VDC ≤ 38
Load ResistanceCurrent output: R ≤ 500 Ω
Current Consumption1.7 W
OPERATING CONDITIONS
Operating TemperatureProbe: -30 to +85°C
Housing: -20 to +70°C
Storage: -30 to +70°C
Operating Humidity
Probe: 0–100% RH
Housing: 0–100% RH
Storage: 0–100% RH
MECHANICAL SPECIFICATIONS
Ingress Protection SensorIP65
Housing MaterialHousing: Aluminium die casting
Probe: Delrin
Electrical ConnectionsScrew terminals
DimensionsHousing: 120 x 120 x 49.5 mm
Probe: L=100mm, ø19mm
Weight450g
Display ResolutionLCD, 2 lines x 16 characters
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