Description
Fluke 721-1605 Pressure Calibrator Repair
The Fluke 721-1605 is a dual-sensor precision pressure calibrator — it carries two internal pressure sensors (here a 16 PSI and a 5000 PSI range) for measuring and calibrating pressure across a wide span, common in gas custody-transfer and process work. Its precision lives in those two sensors and the measurement circuit, which is where service and calibration focus.
June Company repairs and calibrates the Fluke 721-1605 for process and instrument-calibration technicians.
Common Fluke 721-1605 problems we fix
- One or both sensors out of spec — the low- or high-range pressure sensor drifting, recalibrated against standards.
- Pressure-connection / hold faults — leaks or fittings that stop it holding applied pressure, repaired.
- mA/loop functions faulty — the electrical measurement side, restored.
- Display or battery faults.
- Pressure-measurement drift — recalibrated across both ranges.
FAQs
One of my pressure ranges reads wrong — fixable? Yes. We recalibrate each internal sensor independently so both ranges are accurate, with a NIST-traceable certificate.
Do you verify both sensors? Yes — each range is checked against our reference standards.
Every repair includes NIST-traceable calibration and a 90-day parts-and-labor warranty. Email us or submit a service request.








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