What Does An Hour Meter Used For?

Use hour meters for:

1. Equipment Service:
   track running time between scheduled service
2. Equipment Warranty:
   monitor elapsed hours
3. Equipment Resale:
   record actual running hours
4. Equipment Rental:
   track elapsed time

Hour meter (runs when ignition key is on) 
https://www.rico-instrument.com/gv-series-hourmeter/products-315-39.html

Inductive hour meter (runs when engine is on)
https://www.rico-instrument.com/dgs-hourmeter/dual-function-inductive-hour-meter.html

Examples include:
Hour meter catalog


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