Description
Fluke 1594A Super-Thermometer Repair
The Fluke 1594A is a precision reference thermometer – a readout instrument rather than a source, built to be the standard everything else in the laboratory is measured against. Its entire value is the accuracy of its resistance measurement, so drift here does not just affect one reading, it propagates into every calibration performed against it.
Certified technicians at June Company service the Fluke 1594A for calibration laboratories, standards laboratories, metrology departments, and quality assurance teams. Every instrument is repaired at component level and verified against reference standards before it ships back, with the measured results documented.
Common Fluke 1594A problems we fix
- Probe input or connector faults.
- Noise or instability in the reading.
- Internal reference resistor drift.
- Display, keypad or interface faults.
- Serial, USB or remote-control communication failures – which breaks automated calibration sequences while the instrument still works manually.
- Data logging or memory faults.
- Measurement drifted outside specification – the fault that matters most on a reference instrument, since everything measured against it inherits the error silently.
- Channel-to-channel disagreement – on multi-channel models, where one input drifting while the others hold is easy to miss.
FAQs
How long does a repair take? Most are completed in 5-10 business days, with a firm quote after evaluation and before any work starts.
This is our laboratory standard. How is it verified after repair? Against reference standards, with the measured results documented – which is the only meaningful answer for an instrument other measurements depend on.
Every repair carries a 90-day parts-and-labor warranty, with a firm quote before any work begins. Email us or submit a service request.





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