Ultra-small (module φ44×18) integrated, strong versatility, two-wire 4~20mA DC output. Long transmission distance and strong anti-interference ability. Cold junction, temperature drift, nonlinear automatic compensation. High measurement accuracy and good long-term stability. The temperature module adopts epoxy resin casting process, which is suitable for use in various harsh and dangerous places. Integrated design, simple and reasonable structure, can directly replace ordinary assembled thermocouple and thermal resistance.