220V ETC-961 Temperature Controller With Refrigeration Defrost Alarm Calibration Functions

Working Conditions:
1. Power supply: 230VAC +/-10% 50/60Hz
2. Relay rated current refrigeration: 10A/220V AC
3. Operating temperature: minus 5 to 55 degrees Celsius. Relative humidity: 10 percent to 90 percent RH non condensing
4. Storage temperature: minus 30 to 85 degrees Celsius

Temperature control range:
1. NTC probe: minus 50 to 110 degrees Celsius, minus 58 to 230 degrees Fahrenheit
2. PTC probe: minus 55 to 140 degrees Celsius, minus 67 to 28 degrees Fahrenheit
3. Display resolution: 1 degree Celsius or 0.1 degree Celsius, switchable between integer and decimal modes
4. Accuracy: NTC: plus minus 0.5 degrees Celsius within minus 30 degrees Celsius to 50 degrees Celsius. Other temperature ranges: plus minus 1 degree Celsius
5. PTC: plus minus 1 degree Celsius within minus 30 degrees Celsius to 50 degrees Celsius. Other temperature ranges: plus minus 2 degrees Celsius
6. Probe types: NTC minus 50 degrees Celsius to 120 degrees Celsius. PTC minus 50 degrees Celsius to 150 degrees Celsius