What Batteries does Vibration Meter IRD306DP use?
IRD306DP uses 1 or 2 x 9V Drycell batteries (depending on year of manufacture - models manufactured post May 2024 use single battery and models manufactured prior May 2024 use 2 batteries). The batteries are typically 210 mAh each and can be rechargeable type or non-rechargeable type.
A typical 9V Battery

IRD306DP also has Low Battery Indication when it observes that the battery voltage is below 8.2 V DC. We recommend using battery that has Voltage between 8.2 V DC and 9.8 V DC for optimal performance of the meter.
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