温湿度变送器

温湿度变送器WR295

WR295 relative humidity transmitters include the interchangeable HYGROSMART module. The interchangeable module allows you to recalibrate the transmitter simply by replacing the sensor head. As a result, maintenance costs are greatly reduced and machine down time is minimized.

Product Features

Maximum pressure: 30bar Measuring range: RH 0–100% Humidity output signal: 0–1 VDC; 0–5 VDC; 0–10 VDC;
0–20mA; 4–20mA (selectable through software) Digital output: RS485 (MODBUS) Protection: IP65

Technical Specification

PERFORMANCE Measurement Range (RH) 0-100% RH Accuracy RH @ 23°C <±2% RH (5-95% RH) Stability - RH Sensor <±1% RH/year Response Time - RH Sensor <10 sec typical (for 90% of the step change) ELECTRICAL INPUT/OUTPUT Output Signal 0–1 VDC, 0–5 VDC, 0–10 VDC 0–20 mA, 4–20 mA (3 wires) RS485 Supply Voltage 15 ≤ VAC ≤ 27 18 ≤ VDC ≤ 38 Load Resistance Current output: R ≤ 500 Ω Current Consumption 1.7 W OPERATING CONDITIONS Operating Temperature Probe: -30 to +120°C Housing: -30 to +70°C Storage: -40 to +70°C Operating Humidity Probe: 0–100% RH Housing: 0–100% RH Storage: 0–100% RH MECHANICAL SPECIFICATIONS Ingress Protection Sensor IP65 Material Housing: Aluminium die casting Probe: Stainless steel Electrical Connections Terminals Dimensions Housing: 120 x 120 x 51 mm Probe: L=148mm, ø18mm Weight 450g Display Resolution LCD, lines x 16 characters