Etc-961 Thermostat Temperature Controller and Hygrometer A compact, accurate temperature controller designed for refrigeration and general temperature management. Supports NTC and PTC probes and offers selectable display resolution for precise monitoring and reliable relay control. Key benefits Precise temperature management for refrigeration, incubators, fermentation, greenhouses, and equipment protection. Supports both NTC and PTC probes so it fits a range of sensors and applications. Clear digital display with selectable resolution for integer or decimal readout. Compact panel-mount design for easy installation in cabinets and control panels. Main features Model: Etc-961 temperature controller and hygrometer. Power supply: 230 VAC 10% 50/60 Hz. Relay capacity (refrigeration): 10 A at 220 VAC. Operating environment: use temperature -5 to 55 degrees C; relative humidity 10 to 90 percent RH, non-condensing. Storage temperature: -30 to 85 degrees C. Temperature control range: NTC probe: -50 to 110 degrees C (equivalent -58 to 230 degrees F). PTC probe: -55 to 140 degrees C (equivalent -67 to 284 degrees F). Probe measurement ranges: NTC probe: -50 to 120 degrees C. PTC probe: -50 to 150 degrees C. Display resolution: selectable between 1 degree and 0.1 degree. Accuracy: NTC probe: about plus or minus 0.5 degrees C in the -30 to 50 degrees C range, about plus or minus 1 degree C outside that range. PTC probe: about plus or minus 1 degree C in the -30 to 50 degrees C range, about plus or minus 2 degrees C outside that range. Housing: black plastic. Dimensions: 77 mm length x 34.5 mm width x 58 mm depth. Panel mounting cutout: 71 mm length x 29 mm width. Probe wire length: 2 m including the probe. Package contents: 1 x temperature controller unit. How this product solves problems Prevents temperature fluctuations that can damage perishable goods or disrupt processes by switching compressors or heaters via the relay. Works with common NTC and PTC probes so you can match the sensor type to your application. Selectable resolution and reliable accuracy let you monitor and control temperature to the level your process requires. Typical applications Refrigeration control: Maintain stable temperatures in small cold rooms, beverage coolers, or laboratory refrigerators. Fermentation and food processing: Control fermentation temperature or proofing cabinets where steady temperature control is required. Environmental control for small enclosures: Use in incubators, germination chambers, or equipment cabinets to protect sensitive components. Installation and compatibility notes Designed for panel mounting; check the mounting cutout size of 71 mm by 29 mm before installation. Ensure supply of 230 VAC 50/60 Hz within 10 percent tolerance. Relay is rated for 10 A at 220 VAC; confirm this meets your load requirements. Operate in environments with non-condensing humidity and within the specified temperature range. Additional information Color and appearance may vary slightly due to lighting and screen differences. Allow a small tolerance in manual measurements. Package contains only the temperature controller unit; other items shown in images are not included.