Humidity measurement range: 0100% R. H. Measurement accuracy: Humidity: 0100% R. H. And 23 C: 2% R. H. Temperature: 1535 °C: 0.6 K; Temperature:-3570 °C: 0.8 k time constant: Humidity: & Lt; 20 S TEMPERATURE: & Lt; 3.5 Min Air Velocity 2 m / S Temperature Measurement Range: 050 °C;-3535 °c; – 4070 °C immersion length: 90206mm connection: Screw Terminal Installation: Farlane, protection level: IP65 dimension wide x height x length: 80x 88x 39mm temperature sensor: DC 420ma humidity output signal: DC 420ma working voltage: DC 13.535v