This device is the TASI TA612C 4-Channel K/J/T Type Thermocouple Thermometer & Data Logger.
Specification ModelTASI TA612C
Input Channels4-Channel simultaneous monitoring (T1, T2, T3, T4)
Probe CompatibilityK, J, and T-Type Thermocouples (standard mini-plug)
Measurement Range-200°C to 1372°C
Resolution & Accuracy0.1°C / 0.1°F (up to 999.9°), 1°C above 1000°; Accuracy:
Data Storage5,000 groups of data logger memory
ConnectivityUSB interface for real-time PC streaming and data download
Uses
Multi-Point HVAC Systems: Simultaneously logging supply air, return air, evaporator coils, and ambient temperatures.
Complex Thermal Mapping: Monitoring multi-zone industrial ovens, furnaces, heat-treatment processes, and circuit board hotspots.
R&D Laboratory Logging: Long-term continuous temperature recording via USB connection directly to a PC.