Heating - Ventilating - Air Conditioning
Refrigeration and Process Control
ETR 77 Universal Electronic Controller with Remote Sensor (Plant Engineering)
By combining with a variety of sensor models this universal controller can be used in heating, ventilation, air-conditioning and refrigeration technology as well as in mechanical and plant engineering.
Sensors are not included and must be ordered separately.
ETR 77.008-5 -50 - +50 deg C, IP 65, TW, internal setting, scale degrees C
ETR 77.009-5 0 - 100 deg C, IP 65, TW, internal setting, scale degrees C
ITR range (Plant Engineering)
ITR79.402 to 79.804.
For the control and monitoring of the temperature in large halls, greenhouses and floor heating systems. The devices have sensor rupture and sensor short-circuit protection.
Apart from ITR 79.804 sensors are not included and must be selected separately.
Nine different models offering temperature ranges from -35 to +15 deg C to 35 - 95 deg C and including:
ITR 79.600, two set point adjusters (eg day/night temperature via external clock)
ITR 79.804, a complete device including remote sensor HF-8/4-K2 (4M cable)