Digital electronic thermostat DT235

The electronic thermostat type DT235 is designed to control temperatures in the range from -10 °C to 10 °C. The thermostat is a combination of advanced capabilities provided by digital electronic thermostats and the simple way of operation characteristic of analog thermostats. The desired temperature can be set by turning the upper rotary knob. The operation of the thermostat is controlled by a microcontroller which ensures high accuracy of ± 1 °C, within the entire temperature range. The hysteresis is changed by turning the lower rotary knob in the range of 0.2 °C to 2 °C. The sensor is an NTC thermistor (10 kΩ / 25 °C) with a 3 m long cable.

In addition to a powerful output relay that can switch currents of up to 25 A, the thermostat also has an on / off button (used to turn the entire device on/off), status light indicators and ALARM output for signaling malfunctions caused by disturbances or problems with the temperature sensor, for example in case the sensor fails (as open or short circuit).

Thermostat DT235 is used primarily to control the temperature of heated pipelines and accompanying equipment, focusing on the water freeze prevention. The DT235 thermostat can also be used in applications that require temperature control of outside surfaces like walkways or driveways (snow and ice melting). It is also used to protect against ice formation around refrigerator doors in walk-in freezers (protection of door jams and seal mechanical failure).