Overview
The Thermo Electric Minimite is a proven analog pyrometer indicator engineered for temperature measurement and potentiometric calibration work. Thermo Electric Minimite units have been widely used in industrial, laboratory, and test applications where reliable millivolt sensing and temperature indication are required. This vintage instrument combines straightforward analog readout with durable construction typical of established Thermo Electric products.
Key Features
- Analog display for direct temperature or millivolt readout
- Potentiometric operation suitable for thermocouple and millivoltmeter applications
- Compact, rugged design for portable use in test and measurement work
- Made in the United States by Thermo Electric Co., Inc.
- Used condition – fully functional and ready for deployment
Technical Specifications
- Manufacturer: Thermo Electric Co., Inc.
- Product Type: Analog Pyrometer Indicator
- Display: Analog needle gauge
- Application: Temperature measurement, potentiometric testing, millivolt indication
- Input Range: Millivolt signal (thermocouple or similar)
- Construction: Durable portable instrument housing
- Origin: Made in the USA
- Condition: Used – tested and functional
Typical Applications
- Industrial temperature monitoring and control testing
- Thermocouple calibration and verification
- Laboratory temperature measurement work
- Potentiometric instrumentation and troubleshooting
- Maintenance and diagnostic testing in manufacturing facilities
Compatibility & Replacements
Compatible With
- Standard thermocouple probes and lead wires
- Millivolt signal sources (potentiometric signals 0–50 mV typical)
- Industrial temperature measurement networks
- Calibration labs requiring reference instrumentation
Replaces / Drop-In Replacement For
- Thermo Electric Minimite Models 31101, 31107 (same product line)
- Legacy potentiometric pyrometer indicators in temperature test setups
Works With
- Thermocouple extension wires and Thermo Electric connectors
- Standalone millivoltmeter and potentiometric measurement circuits
- Temperature calibration equipment and reference standards
- Industrial control systems requiring analog temperature feedback






