Two-wire relative humidity transmitter type AR250

Two-wire relative humidity transmitter type AR250 is designed for measuring and control of relative humidity in air-conditioning and industrial systems. Transmitter converts capacity changes of thin-film sensor into standard output signal 4-20 mA, which can be measured by a meter.

Electronic system of the transmitter is made in two-wire technology. Output current 4-20 mA and power supply are sent by the same wires. All system is placed into polycarbonate box of internal protection IP65, adjusted to be assembly in rooms or in ventilator canals.