STC-8090 Temperature Controller Powerful functions, easy to operate,single sensor with functions of cooling and defrosting,user's parameters and administrator's parameters can be set separately. Users only need to set the temperature parameters. Other parameters are set and fixed by the administrator.Temperature controlled by Return Difference,If sensor error the system still can run by the proportion time. User's parameters are set with upper and lower pressor delay time adjustable, alarming delay adjustable. When defrosting, the displaying modes can be selected. STC-8090 is really an excellent Temperature controller. Size and Specification: ◆Product size: 34.5*75*85 (mm) ◆Installing size: 71*29 (mm) Technical parameters: ◆Power supply: 220VAC(+/-10%) ◆Power consumption: ＜5W ◆Temperature measuring range: -40℃～99℃ ◆Temperature controlling range: -40℃～70℃ ◆Resolution: 1 ◆Accuracy: +/-1℃ ◆Relay contact capacity: 10A/250VAC ◆Defrosting cycle: 0～99 Hour ◆Defrosting duration: 0～60 Minute ◆Displaying mode of Defrosting: When defrosting begins, the temperature and real-time storage temperature can be selected.