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Battery Meters
With the Use of an Amp-Hour meter, you can tell the condition of your batteries at a glance. An amp-hour meter is the best indicator of your system's condition. As you use power; the meter counts how many amp hours are used. As the battery is charged, the meter goes backwards, towards zero. When the battery is full, the meter reads zero.
These high quality amp meters mount in a 72 mm square hole. The meter movement is very smooth and accurate. The shunt is built-in to the 30 amp meter so it can be in series with the load to be measured on the negative or positive wire.
These meters read DC amps from a wire that is placed in the slot frame on the rear of the meter case. No electrical connection is needed. The 30 amp meter will work with wires up to #8 gauge.
The Trimeteric 2020 Battery Meter 12/24 volts is an Amp hour meter for 12 or 24 volt battery system. It reads volts, amps and amp-hours on an LED display.