HPVM Voltage Meter Precision volt meter for automotive and car audio 1.3-inch LCD with 65,000 colors Monitors two sources at once Measures up to 18 volts Customizable display with ten gauge faces Bluetooth-enabled connection with free AuralSync™ app Your Style. Our Precision. The HPVM is the most versatile graphing volt meter available today. Accurate to 1/500 of a volt and capable of measuring two sources simultaneously, the HPVM comes equipped with Bluetooth connectivity, allowing it to connect to the free AuralSync™ 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. Built 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. Maximum Battery Efficiency To save your battery power, the HPVM is equipped with Deep Sleep mode. When a gradual voltage drop with no transients is detected, the meter automatically reduces power consumption to just 167 milliwatts. At that rate, it would take 7,059 hours (294 days) to fully drain a 100 amp hour 12V AGM battery. Once the meter detects a voltage spike, it instantly returns to full operation. It will also display total battery drain during low-power mode and issue a bright red warning if the voltage drop was significant, signaling a weak battery or excessive parasitic draw. For instructions on connecting your HPVM, updating firmware, using the app, and more, please see our getting started page. Features Supply Voltage 4v-18v Individual Voltage Monitoring Points 2 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, 660 maximum SPS in dual channel Display 1.3" diagonal TFT HD IPS LCD - 240x240 pixels / 65k color Visual Refresh rate 33 FPS Power Consumption ~460mW full power mode ~167mW in deep sleep move 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 Physical Info Size 71mm wide x 44mm deep x 25mm tall Weight 2.3oz Getting started / wiring instructions Certifications 📖 Documentation Full user guides, installation videos, and troubleshooting at help.lf-audio.com/hpvm: Quick Install Guide Wiring and Installation Bluetooth Pairing Calibration and Voltage Drift Firmware Updates
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