30mA ampere meter – calibrated

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30mA ampere meter – calibrated


Calibrated mA-meter to keep your machine safe from overdriving the tube.

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Keep a eye on the power from your machine with this mA-meter.
Recommended max power is 18mA for the 40w tubes to prevent early aging or overpowering the tube.

All meters we sell is calibrated and checked to confirm correct readings. Many meters from china do measure up to 20% wrong, all our meters has a maximum error reading of 3%
(we get the bad ones too, we throw them away and only sell the good ones)

See this article how to install it.

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