PID REX-C100 Temperature Controller SSR 40DA K Thermocouple Heat Sink Kit
Max.40A SSR. 1 x Max.40A SSR. 1 x Solid State Relay SSR Safety Cover. Aluminum Alloy Heat Sink. 1 X Heat Sink. Cold-end compensation tolerance: +/-2 Celsius（can be modified by software in 0~50 Celsius）.