... And they all have interfaces with air velocity transducer, temperature sensor, ectroirradiator. They are also equiped RS485(Modbus) port ... 4)~20mA,DC 0~10V general technical parameterstemperature and humidityWorking temperature : -25~+60°C, humidity 95%, the place ... ;3. With the interface with air velocity transducer, temperature sensor, ectroirradiator;4. Output DC24V to power external sensors;5 ...