igital 220V PID REX-C100 Temperature Controller + max.40A SSR + K Thermocouple, PID Controller Set + Heat Sink Measuring accuracy: +/-0.5%FS  Cold-end compensation tolerance: +/-2 Celsius（can be modified by software in 0~50 Celsius）  Resolution: 14 bit  Sampling cycle: 0.5 Sec  Power : AC 100-240V 50/60HZ  Process value (PV), Setting value (SV)  PIN control (including ON/OFF, step-type PID and continuous PID)  Self-tuning control  Relay output: contact capacity 250V AC 3A (resistive load)  Proportional band (P): 0~full range (ON/OFF control when set to 0)  Detective temperature range: 0 to 400 Celsius  Insulation resistance: more than the 50M ohm(500V DC)  Insulation resistance : 1500V AC/min  Insulation resistance : Power Consumption Less than 10 VA  Service environment: 0~50 Celsius  environment with no corrosive gas 30~85% RH  Aluminum Alloy Heat Sink  Specification:  Materail: Aluminium alloy.  Size:Roof:50mmX60mm.Foot:80mmX50mm.  Height:43mm.  Compatible with:Designed specially for single phase solid state relay.  Color :Silver  Max.40A SSR  Output Current:40A  Input Voltage:DC 3-32V  Output Voltage:24-380V AC  Output Voltage Range:Standard Type  Package Included:1 x PID Temperature Controller  1 x K Type Probe Sensor  1 x Max.40A SSR  Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.