(HPVM-PRO) High Precision Voltmeter - Pro
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Description
HPVM Pro Voltage Meter
- Precision volt meter for automotive and car audio
- 2-inch LCD with 65,000 colors
- Monitors four sources simultaneously
- Measures up to 18 volts
- Customizable display with ten gauge faces
- Bluetooth-enabled connection with free AuralSync app
Your Style. Our Precision.
Able to monitor four sources at once, the HPVM Pro is the most versatile graphing volt
meter available today, accurate to 2/1000 of a volt.
The HPVM comes equipped with Bluetooth connectivity, allowing it to connect to the
free Aural Sync™ app, optional AuralSync Companion Smartwatch, and other
AuralSync-enabled devices. Use the app to choose any one of ten gauge designs, then
create user-definable voltage ranges and custom colors to make each look match your needs, and your style
The HPVM also features wiring terminals on the back and bottom of the unit for
additional mounting options, and a clean look.
Overbuilt To Last
Extremes in vibration, humidity, and temperatures are always attacking everything in
your vehicle. A solid aluminum case houses high-density/temperature internal supports,
and gold-plated ENIG PCB to survive – and thrive – in any build.
Advanced Power Management
The HPVM’s innovative Deep Sleep mode is engineered to minimize power
consumption, drawing just 167 milliwatts when it senses a gradual voltage drop without
transients. This ensures minimal battery drain, taking up to 294 days to deplete a fully
charged 100 amp-hour 12V AGM battery.
While in low-power mode, the HPVM Pro continuously monitors cumulative battery
drain. A prominent red warning signal is triggered by significant voltage drops, flagging
potential issues such as excessive parasitic loads or a failing battery. This intelligent
design ensures early detection of power system issues, identifying issues like a weak
battery or excessive parasitic draw, before they become bigger problems.
The system’s rapid response circuitry also ensures immediate reactivation upon
detecting a voltage spike, seamlessly resuming full operation, and offering real-time
updates to keep you informed.
For instructions on connecting your HPVM, updating firmware, using the app, and more, please see our getting started page.
Features
| Supply Voltage | 3v-18v |
| Individual Voltage Monitoring Points | 4 |
|
Voltage Measurement Range |
1v-18v |
| Accuracy | 99.99% accurate (+/- 0.002v) |
| Precision | 1mV - 3 decimal places (e.g. 15.234v) |
| Sample Rate | 330 samples per second per channel |
| Display | 2.0" diagonal TFT HD IPS LCD - 240x320 pixels / 65k color |
| Visual Refresh rate | 33 FPS |
| Size | 71mm x 58mm x 25mm -2.8" x 2.3" x 1" |
| Settings | Use our LF Audio AuralSync™ smartphone app or AuralSync Companion smartwatch to change settings on the unit. |
| Over The Air (OTA) firmware updates |
Use our LF Audio AuralSync™ smartphone app to check for and apply firmware updates |
Getting started / wiring instructions
Certifications
HPVM vs HPVM-PRO comparison
| HPVM | HPVM-PRO | |
| Supply Voltage | 4v-18v | |
| Individual Voltage Monitoring Points | 2 | 4 |
| Accuracy | 99.99% accurate (+/- 0.002v) | |
| Precision | 1mV - 3 decimal places (e.g. 15.234v) | |
| Sample Rate | 330 samples per second per channel | |
| Display | 1.3" diagonal TFT HD IPS LCD - 240x240 pixels / 65k color | 2.0" diagonal TFT HD IPS LCD - 240x320 pixels / 65k color |
| Visual Refresh rate | 33 FPS | |
| Size (width / height / depth) | 71mm x 44mm x 25mm 2.8" x 1.73" x 1" |
71mm x 62mm x 25mm 2.8" x 2.45" x 1" |
| Weight | 2.3oz | 2.9oz |
| Power Consumption | ~460mW full power mode ~167mW in deep sleep move |
|