Rochester Gauges 8600 series spiral gauge. Tank depth should be at least 1/2” greater than the length of the gauge. The additional depth may be considered "reserve" at the bottom of the tank that will not be measured.
These gauges come with the following dial options:
- Direct read dial
- Side read dial
- TwinSite dial - 240-30 Ohms
- TwinSite dial - 0-90 Ohms
- TwinSite dial - 0-30 Ohms