Overview
The Process Control Parts thermocouple panel meter (model A-4-2-73) is a compact analog panel-mount instrument designed for direct temperature measurement in industrial process control applications. This 10 Ohm R/C thermocouple meter is factory-calibrated at 23.47mV and measures temperatures as low as -800°F, making it suitable for cryogenic and ultra-low temperature monitoring in manufacturing, petrochemical, and research environments.
Key Features
- 10 Ohm external compensation for accurate thermocouple readings
- Factory calibrated at 23.47mV full-scale deflection
- Temperature range down to -800°F for extreme cold applications
- Analog panel-mount design for standard enclosure integration
- Mechanical movement display with direct readout
- Compact footprint suitable for retrofit and replacement installations
Technical Specifications
| Input Signal | Thermocouple (10 Ohm R/C compensated) |
| Calibration Point | 23.47mV full-scale |
| Temperature Range | -800°F to full scale |
| Display Type | Analog mechanical movement |
| Compensation | 10 Ohm external resistance compensation |
| Part Number | A-4-2-73 |
| Manufacturer | Process Control Parts |
| Condition | Used, fully functional |
Typical Applications
- Cryogenic process monitoring (-800°F to ambient)
- Industrial furnace and kiln temperature control
- Laboratory and research temperature measurement
- Process heating and cooling system monitoring
- Legacy industrial equipment retrofit and maintenance
- Thermocouple signal verification and troubleshooting
Compatibility & Replacements
Compatible With
- Standard panel enclosures (verify cutout dimensions before ordering)
- Industrial thermocouple probes and transmitters
- Low-temperature process control systems
- Existing 10 Ohm R/C thermocouple installations
- Analog signal loops and direct thermocouple wiring
Replaces / Drop-In Replacement For
- Verify compatibility with your specific equipment before installation. Original equipment specifications may vary. Consult equipment documentation or your system integrator to confirm this unit matches your required input impedance and calibration range.
Works With
- Thermocouple types compatible with 10 Ohm external resistance compensation
- Legacy analog industrial control systems
- Direct thermocouple wiring installations (no transmitter required)
- Manual and automated process control loops
