Autometer Sport-Comp 52mm 8-18 Volt Electronic Voltmeter Gauge Lights>Light Accessories and Wiring The patented air core meter

The patented air core meter movement provides the durability and accuracy that you expect from the AutoMeter name

rust-proof Zytel endcaps and an inverted crimp design help the air spring holds its shape for a long life

Test product

100-micron stainless mesh replaceable element

Autometer Sport-Comp 52mm 8-18 Volt Electronic Voltmeter Gauge Lights>Light Accessories and Wiring The patented air core meterKeep tabs on the health and output of your vehicles electrical system safely and accurately. With a patented air core meter movement, this gauge operates with category defining accuracy anywhere from 8 18 volts on negative ground electrical systems. Installation is simple and it can keep you from being stranded on the side of the road.