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These electric instruments are lighted, allow easy installation, & feature a 2 year factory warranty. Order gauges and senders separately as shown. 12V or 24V operation unless other wise noted. Gauges fit 2-1/4" panel hole.
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Quality instrument at a good price.

April 6, 2017

This is a good quality instrument. However Iâm giving it three stars because it is not made by Michell but rather made by VDO and relabeled, they use a cheap sticker on the face to cover the VDO. On mine the sticker was off and loose in the housing. It also is set back so deeply into the housing that it makes seeing the instrument from an angle difficult. I was disappointed. I think I will save up and install the EI volt/Amp gauge.

Eric O
February 2, 2019

Would not fit without extensive panel modifications.

October 22, 2018


Q: Does this require a shunt? What size if so? Regarding part number 10-25115.

These Mitchell ammeters have their own internal shunt.

Q: Does the Mitchell ammeter come in a 24 volt version?

Ammeters only measure amps and so can be connected to 12 or 24 volts.

Q: Is the Mitchell Ammeter FAA PMA approved?

Yes, this part is FAA PMA approved.

Q: Does this ammeter need a sender unit of any sort?

No as it has an internal shunt you do not need a sender.

Q: Does this Mitchell ammeter have internal lighting?

Yes, this has an internal 12v light bulb.

Q: Where does this Mitchell ammeter get wired to? Does it have to be hooked up to the alternator?

Per the manufacturer you will have a connection for power and ground, the sender and lighting.

Q: Is this part approved for Cessna 172M?

The ammeter is FAA PMA approved for use in certified aircraft. It does not have an AML with approved models. It is at the discretion of the A&P installer as to whether the installation is legal.

Q: One of the questions was about 12v and 24v versions. While the ammeter may not care about voltage, the lighting might. Does the light handle any voltage?

The voltage also is in regard to the lighting in the unit, but this is an incandescent bulb and would be hooked up to the lighting bus in your aircraft.

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