General Tools & Instruments 722 Vernier Caliper Gauge
- Card
- Caliper
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A 52 mm digital gauge reads fuel level as a percentage and includes the sender, float and wiring for 12 V vehicles
The Dyno Racing 52mm digital gauge displays fuel level as a percentage for 12V vehicle electrical systems. It includes a matching resistive fuel level transmitter and oil float for direct tank installation. The kit suits owners who want a clear numeric readout without relying on factory sender calibrations.
The gauge only operates correctly with a resistance-type fuel sensor measuring 2K ohms across its range. Vehicles using capacitive, ultrasonic or differently calibrated resistive senders will not produce accurate readings. Builders adapting non-standard tanks must verify sender resistance before fitting.
The instrument draws a maximum of 0.3A from a 12V DC supply, compatible with 8-18V system voltage. Minimal power draw keeps wiring simple and avoids loading the ignition-switched ACC circuit. No active cooling or external regulator is required for normal dashboard use.
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| Product | |
|---|---|
| Product type | Gauges |
| More details | |
| Gauge type | Fuel Pressure |
The 52 mm diameter matches a standard 2-inch gauge opening, so it fits most aftermarket pods and factory cut-outs without extra drilling.
It operates directly from a 12 V DC supply drawing up to 0.3 A, so the vehicle ignition feed powers it without a separate regulator.
A rubber pad and a bolts pack are included, letting you secure the gauge in a 52 mm hole or surface-mount it on a bracket.
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