Delta OHM HD778TCAL - Power Generator

Technical specifications @ 25°C and 24Vdc INPUT HD778TR1 HD978TR1 HD978TR2 Sensor Thermocouple type K, J, T and N Connection 2 wires passive transmitter Measuring range Thermocouple K: -200 °C…+1200 °C Thermocouple J: -200 °C…+800 °C Thermocouple T: -200 °C…+300 °C Thermocouple N: -200 °C…+1200 °C Linearization EN 60584-1-2 ASTM E 230 - ANSI (MC96-1) Default range Tc = K - Range = 0…1000 °C Minimum measuring range 50 °C Conversion speed 2 measures per second Accuracy ±0.04%FS ±0.04% of the reading or 0.5 °C (the greater of the two values) Operating temperature of the cold junction -30…+80 °C 0…+70 °C Operating temperature -30…+80 °C 0…+70 °C Storage temperature -40…+80°C OUPUT Type of ouput (note 1) 4…20 mA (or 20…4 mA) two wires 22 mA if sensor is broken or not connected Resolution 4 μA 4 μA Display: 0.1°C T<200 °C 1°C T>200 °C Power voltage 9…30 Vdc (protection against polarity inversion) Sensitivity to Vdc power voltage variations 0.4 μA/V Load resistance RLMax = (Vdc-9)/0.022 RLMax = 680Ω with Vdc = 24 Vdc Input/output galvanically insulation 50 Vdc (verified at 250 V) Red led It turns on while programming, when the probe is broken or not connected Heating time 2 minutes