Refrigerator ETC-974 Temperature Controller Temperature measurement range: -50℃~120℃ Power supply: 230VAC +10%, 50/60Hz Relay (compressor, defrost, fan) capacity: 10A/230VAC Digital display: 3-digit display minus + status indicator (setting, refrigeration, defrosting, alarm) Ambient temperature: -10℃~50℃ Relative humidity: 10%~90%RH (no condensation) Probe type: NTC (-50~120℃) 文件下载按钮 Download More Details Features and functions: Refrigeration, defrosting, and multi-mode fan control are optional; Return difference control, temperature display resolution 0.1℃; Multiple alarm function. Specification: Product size: 77*32*58mm Installation size: 71*29mm