Thermostat A/AS/ASE Ambistat 645/650 Room thermostat with sensor coil. Applications HVAC Refrigeration Technical data Set-point adjustment Internal or external Measuring range -45…+60°C Sensor technology Sensor coil Protection rating IP54 Repeatability ± 0.5 % FS Connection Terminal screw Material Stainless steel, Copper, Copper nickel plated Output Switch Temperature range -45…+15°C to 0…+60°C Read more Read less