How many Batteries does IRD811 Analog Vibration Meter use?
Depending on your year of manufacturing - your IRD811 Analog Vibration Meter could either be a 3 Battery Instrument or a 2 Battery Instrument. As on 10 Feb 2026, IRD811 Analog Vibration Meter is produced as a 2 Battery Instrument. It requires 2 Numbers 9V Rechargeable or Non-Rechargeable Batteries to run.
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