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New lower price *
12 Volt Digital Amp Meter
Finally
an affordable digital amp gauge that works on a 12
VDC with an isolated power supply.
Now
you can keep an eye on the current level of your booster
without running large wire into the passenger compartment.
This
digital panel meter comes with a hundred amp shunt
and once calibrated, can be accurate within one amp.
You
will love the cool green display that looks great
when mounted in a small plastic box or in the dashboard.
The
shunt is a heavy duty 100 amp shunt with very low
power loss and comes with 2 large 14mm nuts.
We
recommend this shunt up to 100 amps with direct current
or 75-80 amps with a PWM.
In
stock
Only
$29.00
1
digital amp gauge with 100 amp shunt
$29.95 |
Lot
of (2) digital amp gauges with 100 amp shunt
$45.95
|
Lot
of (3) digital amp gauge with 100 amp shunt
$65.95
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Use
the Range adjuster to calibrate your meter.
This adjuster is fragile so be careful not to turn
it too hard. If you do, it could break and is not
covered by our 30 day warranty. A regular phillips
head screwdriver fits just fine and if you go out
of range, the meter will stop working, so just move
it back to where it was before and the meter should
work again.
It is best use a traditional amp gauge to help you
calibrate your digital amp gauge. To do this, connect
your analog amp gauge to the + wire to your cell.
Turn the cell on and set the digital gauge to read
the same as the analog gauge.
A
handheld VOM works fine for this also but will give
you a slightly lower reading because of the voltage
drop across the wire and the meter. Most handheld
meters are only rated for 1 minute at 20 amps, so
be careful not to leave them connected for very long.
Installation
instructions:
The
red and black wires connect to a switch power source.
(ignition switch)
The Green and Blue wires connect across the shunt
and can be connected either way but it seems to be
more accurate with the blue wire connected to the
negative side.
The
Shunt can be connected to either the + or - side,
but we recommend connecting the shunt to the ground
side of your system.
Face
plate:
Cut
a rectangular hole slightly larger than the faceplate.
.91" x 1.65"
Remove
the meter from the black mounting flange and install
the black mounting flange in the hole you have made.
Push
the meter into the black mounting flange from the
back until it snaps into place. Reconnect the plug.
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