TST STP321 DIGITAL TEMPERATURE CONTROLLER AND ELIWELL UNICOLD IW1AYI0TC5701
The TST STP321 is a high-accuracy, programmable thermostat designed for versatile industrial use. Model: STP321 (Taisuo Technology). Input Versatility: Supports K and J type thermocouples, PT100/PT1000 RTDs, and 4-20mA linear signals.