AEM's X-Series Digital Voltmeter Gauge combines a bright, larger LED display with a sweeping LED reference needle for easier reading. Two faceplate buttons enable peak/recall programming, and the gauge is AEMnet CAN-bus enabled so it can be daisy-chained with an AEM Infinity ECU, Series 2 EMS, AQ-1 Data Logger, or other AEMnet-compatible device. A 0-5V analog output is also included for data loggers and engine management systems.
Specifications:
- Range: 8-18 Volts
- Bezel: Black
- Faceplate: Volts, black
- Gauge Diameter: 2-1/16 in. (52mm)
- Depth: 0.825 in. overall, 0.200 in. cup depth
- Output: 0-5V analog and AEMnet CAN-bus
- Warranty: Manufacturer's 1 Year Warranty
- Part Number: 30-0303
This product carries a California Proposition 65 warning per the manufacturer's data.
FAQ
What voltage range does the AEM 30-0303 gauge display?
It reads system voltage from 8 to 18 volts on a bright digital LED display with a sweeping LED reference needle.
Can the gauge send data to a data logger or ECU?
Yes, it includes both a 0-5V analog output and AEMnet CAN-bus connectivity for daisy-chaining with AEM Infinity, Series 2 EMS, AQ-1, or other CAN-compatible loggers.
What size housing does it use?
It fits a standard 2-1/16 in. (52mm) gauge pod with a slim 0.825 in. overall depth and 0.200 in. cup depth.

