Maximum voltage of Zener diode when fuse blows 28V Minimum value of terminating resistor 300O Maximum short-circuit current 93mA Number of channels 2 Current Range 1 to 40mA, nominal Response Time to step input Settles to within 500µA of final value within 30ms Maximum Output Voltage in hazardous area 28V (from 300O) Transfer Accuracy at 20°C Better than 400µA Temperature Drift <10µA/°C (-20°C to 60°C) Loop Supply Voltage 6 to 35V dc Quiescent safe-area current at 20°C <400µA/channel, Vin = 24V dc Operating Temperature Range -20°C to + 60°C (continuous working) Storage Temperature Range -40°C to + 80°C Maximum Humidity 95%RH - Non Condensing (at 40°C). Weight (g) / Dimensions (mm) 110 / H110 x W104 x D16 Mounting Method DX070 Box