Consent Preferences

8200 Series

1-1/2” MNPT Top Mount Spiral Gauge for Marine Applications

The brass and stainless-steel construction of the 8200 Series spiral gauge makes it suitable for use in marine applications and in measuring levels of water, oil or fuel. They are also used in a variety of construction and maintenance vehicles such as road sweepers and water spray trucks.

General Information & Features
The Model 8240 spiral gauge incorporates a strong nickel-plated Neo magnet. The magnet is capable of driving a TwinSite® sender that sends an electrical signal to a remote receiver and provides a direct, fractional reading.

The model 8260 spiral gauge is supplied with an easy-to-read side-view fractional dial. The model 8280 spiral gauge is equipped with a standard top reading fractional dial.

All 8200 Series spiral gauges have a 11⁄2″ MNPT tank connection, and are suitable for tank pressures up to 25 PSIG [1,7 Bar] maximum. They are designed for top mounting only in tanks up to 36″ [914 mm] deep and some models are UL listed for flammable liquids.

Data Sheet
MS-516 Installation Instructions for Spiral Gauges

General Specifications*

Designed for top-mounting only.

Accuracy depends upon proper gauge sizing. Direct read dials ±8%, TwinSite dials ±12%. Accuracy may be less depending upon tank shape. Accuracy may be less near full and empty. Accuracy may be less if tank is not level. This gauge is not to be used for filling. All accuracy estimates are expressed as a percent of full scale.

Standard operating range is -40°F to 158°F, -40°C to 70°C.

Exposed portion is fully suitable for marine applications.

Suitable for marine applications.

Suitable for marine applications.

0.5 watts maximum for TwinSite® versions.

Tank Pressure
0 to 25 PSIG [0 – 1,7 Bar] maximum.

Direct indicating gauge. Available UL listed for flammable liquids. Some models UL recognized for marine service.

When Ordering Specify:

1. Gauge model number.
2. Tank height.
3. Ohm range on TwinSite® version.
4. Riser height, if any.
5. Any special requirements.

Materials of Construction*

Head, Support Rod, & Centershaft

Tie Plate, Guide, & Bearing Pin
Stainless steel.

Center Shaft Holder & Magnet Bushing

Nitrile rubber.

Drive Magnet

Neo, nickel-plated.

Standard Dial
Polycarbonate, hermetically sealed.

Side-View Dial
Aluminum with polycarbonate crystal, hermetically sealed.

TwinSite® Sender

Model Number Sender or Dial Type
8240 Senior TwinSite® Sender in choice of
0-30, 0-90, or 240-30 Ohm ranges. Specify your preference when ordering.
8260 #5097s00570
Senior side-reading fractional dial.
8280 #5844s01793
Senior direct-reading
fractional dial.

Product Inquiry - 8200

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    Revised 06-29-2018