General Tools & Instruments 722 Vernier Caliper Gauge
- Card
- Caliper
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A 52 mm voltmeter with a smoke-tint lens, red illuminated needle and white LED display that reads 8-18 V for 12 V systems
This 52mm voltmeter fits a standard 2-inch gauge opening and operates across an 8 to 18 volt range. It is intended for automotive enthusiasts who want a clear view of their vehicle's electrical system voltage at a glance.
The gauge features a smoke tint lens paired with a red illuminated needle and an LED super white display for low light visibility. A 52cm wire harness and a 7.2cm body length allow straightforward routing behind the dash panel.
The unit draws a maximum of 0.3 amps on both the ignition and illumination circuits while running on a 10 to 15 volt DC supply. This minimal draw keeps the gauge from adding noticeable load to the vehicle's charging system.
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| Product | |
|---|---|
| Product type | Gauges |
| More details | |
| Gauge type | Voltmeter |
The gauge reads from 8 to 18 volts, covering typical 12-volt vehicle systems while the engine runs and when it is off.
A 52 mm diameter cut-out fits the 2-inch gauge body, which is 2.8 inches long overall.
Connect the power lead to a switched 12-volt source and the illumination lead to the dash-light circuit; the separate illumination wire is the step most installers forget.
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