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CruzPro V55 Digital
Volts Gauge/w
Alarms & NMEA 0183

Download User's Manual PDF

NEW - Square V55S V55 Digital Volts Gauge

NEW - Round V55R V55 Digital Volts Gauge

CE Certified for Europe

CE Certified

Waterproof front case


Operating Voltage:
9.5 - 33.0 VDC
(Higher voltage versions available by special order)

Current Drain:
0.018 amps nominal

4 digit LCD, 5 levels of backlighting

Digital volts, high and low voltage alarm display

9.5 to 33.0 VDC
Custom OEM versions to 60VDC

Data Output:
NMEA 0183 serial 4800 BAUD, $IIXDR,V

Built-in 85 dB audible alarm. Settable independent high and low voltage alarms

2.5" dia X 4.1" deep (61mm x 104mm)

2-1/8" (55mm) round hole


The V55 Digital Volts Gauge provides accurate low cost digital instrumentation for batteries between 9.5 and 33 Volts. You can set independent Low and High voltage alarms. When activated, the V55 built-in 85 dB alarm will sound and the display will flash. Five levels of backlighting can be selected and all set-up, calibration constants and alarm values are saved to non-volatile memory.

All constants and calibrations are pre-set during manufacture but you may alter these settings to suit your particular needs. Calibrations can be altered using the front-panel switches for battery voltage and low and high voltage alarms.

With a press of the button you can display battery voltage (9.5 to 33.0 VDC), high or low voltage alarm values.

High volts and Low volts alarms can be independently set using the front panel switches and the alarm can be turned ON/OFF with the press of a single key.

The V55 draws only 0.017 amps and can be left on continuously. 5 levels of backlight (including OFF) can be selected from the front panel and is saved to non-volatile memory.

The V55 outputs digital voltage data in the standard NMEA 0183 serial data line at 4800 BAUD.

This ASCII information can be used to log performance or repeat the display information at a remote location on the matching CruzPro RP60, RP110 and MaxRp110 data repeaters (see www.cruzpro.com/rp60.html, www.cruzpro.com/rp110.html and www.cruzpro.com/maxrp110.html). If NMEA 0183 serial data is not required, then the output terminal can be programmed as an external alarm output pin.

V55 Connection Diagram

V55 Connection Diagram

Connecting the CruzPro ER-1 External Relay module to the NMEA 0183/External Alarm Output

Click here to go to ER-1 page
ER-1 External Relay Connection Diagram

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