- 产品品牌:
- MICHELL
- 产品型号:
- WM291
- 外形尺寸:
- 120 x 120 x 49.5 mm mm
- 环境温度:
- -30 to +85°C ℃
- 电源电压:
- 24 V
- 准确度:
- 2
- 测量范围:
- 0-100%
- 外形尺寸:
- 120 x 120 x 49.5 mm
温湿度传感器WM291
WM291 relative humidity transmitters include the interchangeable HYGROSMART module. The interchangeable module lets you recalibrate the transmitter simply by replacing the sensor head with the HYGROSMART module. As a result, maintenance costs are greatly reduced and machine down time is minimized.
Product Features
- Humidity and temperature output signal: selectable through software
- Digital output: RS485 (MODBUS)
- Protection: IP65
- Interchangeable HYGROSMART module
- Linearised and temperature compensated humidity measurement
-
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 Signal 0–1 VDC, 0–5 VDC, 0–10 VDC
0–20mA, 4–20mA (3 wires) RS485Supply Voltage 15 ≤ VAC ≤ 27
18 ≤ VDC ≤ 38Load Resistance Current output: R ≤ 500 Ω Current Consumption 1.7 W OPERATING CONDITIONS Operating Temperature Probe: -30 to +85°C
Housing: -20 to +70°C
Storage: -30 to +70°COperating Humidity
Probe: 0–100% RH
Housing: 0–100% RH
Storage: 0–100% RHMECHANICAL SPECIFICATIONS Ingress Protection Sensor IP65 Housing Material Housing: Aluminium die casting
Probe: DelrinElectrical Connections Screw terminals Dimensions Housing: 120 x 120 x 49.5 mm
Probe: L=100mm, ø19mmWeight 450g Display Resolution LCD, 2 lines x 16 characters