Chesapeake Black 2" Water Temperature Gauge (100-250°F) Perimeter-lighted Black dial with stylish Blue and White graphics, polished stainless steel bezel, contoured White pointer and domed glass lens. A temperature gauge operates by sending a low amperage current through the gauges meter to ground via a sending unit with variable resistance. The resistance of the sending units increase or decrease with the changes in pressure, temperature, etc... As the sender's resistance varies, the amount of current allowed to flow through it to ground changes and the meter deflects, showing the temperature. 2" - Hole Size: 2.0625" (53mm) Specifications:Anti-scratch glass lensPlastic Cases for corrosion resistance and long life12 VDC negative groundCan be adapted for 24 VDC systemsDual Scale - Metric and Imperial Factory P/N GP9142 *Sold as an Individual **Gauge Cover not Included Faria Chesapeake Black 2" Water Temperature Gauge (100-250°F)
