Description
Fluke 189 Calibration
The Fluke 189 is a digital multimeter, and calibrating one means verifying every function and every range rather than spot-checking the one a technician uses most. A meter can hold DC volts perfectly while its AC ranges have drifted, and nothing on the display distinguishes the two.
June Company’s technicians calibrate the Fluke 189 for electricians, electronics technicians, industrial maintenance crews, and quality departments. Every point is measured against reference standards, with as-found readings recorded before any adjustment and as-left readings afterwards, so you can see what condition the instrument was actually in when it arrived.
What we verify on the Fluke 189
- Capacitance, frequency and duty cycle where fitted.
- Continuity threshold and diode test.
- Temperature ranges on models with thermocouple input.
- DC and AC voltage across all ranges.
- DC and AC current, including the high-current shunt.
- Resistance across every decade – where drift usually appears at the extremes rather than in the middle.
FAQs
Do I get as-found data, or only the final result? Both. As-found readings are recorded before any adjustment and as-left afterwards, which is what tells you whether the instrument was in tolerance during the work you already did with it.
What happens if it comes back out of tolerance? We record the as-found condition and tell you, because measurements you took with it since its last calibration may need reviewing. That is the reason as-found data matters.
Calibration is documented and returned with the instrument. If we find a fault that calibration cannot correct, we quote the repair before going any further. Email us or submit a service request.



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