Relative Humidity Range:0 to 100% RH.Temperature Range:-40 to 140°F (-40 to 60°C) for thermistor and RTD sensors. -20 to 140°F (-28.9 to 60°C) for solid state band gap temperature sensors.Dew Point Temperature Range:-20 to 140°F (-28.9 to 60°C); 0 to 100°F (-17.8 to 37.8°C); 40 to 90°F (4.4 to 32.3°C); -4 to 140°F (-20 to 60°C) field selectable ranges.Accuracy:RH: Model RHP-2XXX ±2% 10 to 90% RH @ 25°C; Model RHP-3XXX ±3% 20 to 80% RH @ 25°C; Model RHP-5XXX ±5% 20 to 80% RH @ 25°C; Thermistor temperature sensor: ±0.36°F @ 77°F (±0.2°C @ 25°C); RTD temperature sensor: DIN Class B; ±0.54°F @ 32°F (±0.3°C @ 0°C); Solid state band gap temperature sensor: ±0.9°F @ 77°F (±0.3°C @ 25°C).Hysteresis:±1%.Repeatability:±0.1% typical.Temperature Limits:Operating: -40 to 140°F (-40 to 60°C); Storage: -40 to 176°F (-40 to 80°C).Compensated Temperature Range:-4 to 140°F (-20 to 60°C).4-20 mA Loop Powered Outputs:Power requirements: 10 to 35 VDC; Output signal: 4 to 20 mA, 2 channels for humidity/solid state temperature sensor models (loop powered on RH). Switch selectable RH/dew point. Switch selectable normal or reverse output.0-5/10V Outputs:Power requirements: 15 to 35 VDC or 15 to 29 VAC; Output load: 5 mA max., 2 channels for humidity/solid state temperature sensor models. Switch selectable 0-10 V/2-10 V or 0-5 V/1-5 V output. Switch selectable RH/dew point. Switch selectable normal or reverse output.Solid State Band Gap Temp Sensor Output Ranges:Switch selectable, -20 to 140°F (-28.9 to 60°C); 0 to 100°F (-17.8 to 37.8°C); 40 to 90°F (4.4 to 32.3°C); -4 to 140°F (-20 to 60°C).Response Time:15 s.Electrical Connections:Screw terminal block.Drift:<1% RH/year.RH Sensor:Capacitance polymer.Enclosure Material:Polycarbonate.Enclosure Rating:IP20.Display:Optional LCD; Switch selectable %RH or dew point, °F/°C.Display Resolution:RH: 1%; Temperature: 0.1°F (0.1°C); Dew Point: 1°F (1°C).Weight:4.4 oz (125 g).Agency Approvals:CE.