Rochester Gauges 8200 series spiral gauge is marine grade and suitable for use in water tanks as well as fuel or oil.  They are also used in a variety of construction and maintenance vehicles such as road sweepers and water spray trucks.  
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.
- Direct read dial
- Optional TwinSite Dial that sends an electrical signal to a remote receiver and also provides a direct, fractional reading.  Standard 240-30 Ohms although 0-30 and 0-90 Ohms are also available.  
- 1-1⁄2" MPT tank connection
- Suitable for tank pressures up to 25 PSIG [1,7 Bar] maximum
- Designed for top mounting only in tanks up to 36" [914 mm] deep
- Some models are UL listed for flammable liquids.
Please contact us if you are interested in a configuration with 0-90 Ohms or 0-30 Ohms output.