Description
Fluke LT544D Calibration
The Fluke LT544D is a network test instrument. Verification covers the measurements it reports – link, wiremap, distance, PoE – and the physical test port those measurements pass through, since a worn port produces intermittent results that look like network faults.
June Company calibrates the Fluke LT544D for network technicians, IT support teams, low-voltage contractors, and field service engineers. 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 LT544D
- PoE detection and power measurement where fitted.
- Link speed and duplex negotiation.
- Test port condition and contact integrity.
- Tone generation and tracing functions.
- Wiremap and pair identification.
- Cable length and distance-to-fault accuracy.
FAQs
How often should this be calibrated? Most quality systems work on an annual interval, though how hard the instrument is used and how critical its readings are should drive that decision rather than the calendar alone.
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.
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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