Relative Humidity Range:0 to 100% RH.Temperature Range:-40 to 140°F (-40 to 60°C).Accuracy, RH:±3% 20 to 80% RH, ±4% @ 10 to 20%, 80 to 90%.Accuracy, Temp Models with 4 to 20 mA Temp. Output:±0.9°F @ 72°F (±0.3°C @ 25°C).Accuracy, Temp Models with Passive Thermistor Temp Sensor:±0.4°F @ 77°F (±0.22°C @ 25°C).Hysteresis, RH:±1%.Repeatability, RH:±0.1% typical.Temperature Limits:-40 to 140°F (-40 to 60°C).Storage Temperature:-40 to 176°F (-40 to 80°C).Compensated Temperature Range, RH:-4 to 140°F (-20 to 60°C).4-20 mA Loop Powered Models:Power Requirements: 10 to 35 VDC; Output Signal: 4 to 20 mA.0 to 10 V Output Models:Power Requirements: 15 to 35 VDC or 15 to 29 VAC; Output Signal: 0 to 10 V @ 5 mA max.0 to 5 V Output Models:Power Requirements: 10 to 35 VDC or 10 to 29 VAC; Output Signal: 0 to 5 V @ 5 mA max.Response Time:15 s.Electrical Connections:Removable screw terminal block.Drift:<1% RH/year.RH Sensor:Capacitance polymer.Temperature Sensor:4 to 20 mA output, solid state band gap. Passive output: 10K @ 25°C thermistor (Dwyer curve A).Enclosure:ABS.Enclosure Rating:Designed to meet NEMA 3S (IP54).Weight:0.3 oz (8.5 g).Agency Approvals:CE.