humidity indicator

The Artech Humidity Controller Model 231M-RH is a dual setpoint compact sturdy instrumentused with RX-01 RH Sensors/Transmitters for controlling the Humidity in enclosed rooms/chambers. The Set points are adjusted by means of a ten-turn potentiometers. Depressing the "SET" switch displays the set Relative Humidity. In normal operation the display indicates actual Relative Humidity. Applications ? Humidifiers / Dehumidifiers ? Hatcheries ? Humidity Ovens ? Incubators ? Drying Systems ? Process control ? Greenhouses ? Floriculture ? Environment Chambers ? HVAC Systems Specifications RH Sensor RX-01 Sensor / Transmitter (4-20 mA) Range 10-95%RH (0 - 65 o C Temp.) Resolution 1%RH Accuracy + 3% Display 3 ? digit LED displays on the front panel Power Supply 230V + 10%, 50Hz AC Dimensions 96 x 96 (201-RH), 192 x96 (231M-RH) 150mm Stem x 16 mm OD (RX-01) Set points Two adjustable throughout the range