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Car Audio LF-HPVM Smart Wireless Graphing Voltmeter with 2-Point Monitoring
This listing includes:
(1) LF Audio High Precision Voltmeter (2-Point Monitoring)
Meet the HPVM (High Precision Voltmeter) - the most precise, fastest sampling, smart wireless graphing voltmeter designed for both automotive and car audio enthusiasts.
Voltage, whether you're using it to create a spark to create combustion, inverting it to drive an electric motor, or pushing it into your amplifier to move a speaker cone to create sound, is critical in your car. Low voltage creates heat, stresses components, limits output, can affect sound quality, and even leave you stranded (if you don't have enough of it). Make sure your voltage is always on point with the best tool for the job!
The HPVM is a high-precision wireless graphing voltmeter with 99.99% accuracy / up to 3 decimal places of precision (e.g., 15.234v), and can monitor up to 2 individual voltage points! See the voltage sag between your alternator, front battery, lithium bank, and/or your amp to ensure your electrical resistance is dialed in and on point!
It is physically overbuilt with a solid aluminum case, high-density/temperature internal supports, and gold-plated ENIG PCB to survive the loudest and most violent builds.
Onboard AuralSync™ technology lets you connect the voltmeter to your smartphone, our AuralSync Companion Smartwatch, and other LF Audio AuralSync™ enabled devices.
The devices features 10 different customizable gauge faces, customizable voltage ranges, optional min/max voltage hold, and even a deep sleep mode!
In deep sleep mode, the device enters, w hen the meter detects that your car has gone to sleep (voltage is slowly dropping, no transients, etc...) it will enter a very low power mode.
During normal operation, the meter consumes roughly 460mW of power. During deep sleep mode, the meter only consumes 167mW of power.
This means that on a normal 100ah 12v agm battery, the unit would drain the battery in 7059 hours, or 294 days.
Once the unit detects a spike in voltage, it will return to normal full-speed operation. The unit will display how much battery drain occurred while it was in low power mode and will also show a bright red warning if the voltage drop was substantial indicating an unhealthy battery or abnormal vampire load.
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
Size:
40mm x 73mm x 26mm
1.6" x 2.87" x 1"
Weight: 2.3oz
Power Consumption:
~460mW full power mode
~167mW in deep sleep mode
Settings:
Use LF Audio AuralSync(TM) smartphone app or AuralSync Companion smartwatch to change settings on the unit.
Over The Air (OTA) Firmware Updates:
Use LF Audio AuralSync(TM) smartphone app to check for and apply firmware updates.
Payment Information
We accept PayPal for all ebay orders. You can use your credit through PayPal as all major credit card are accepted by PayPal.
We accept PayPal for all international orders, your address must be verified with PayPal.
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All orders over $500 will require a signature for delivery.
All pre-selected shipping rates and methods are for customers with a valid residential or commercial address within the Contiguous 48 United States (PO Boxes address may require additional charges).
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Typical handling time for orders is 1-business day. We do our best to ship every package with-in 1 business day of receiving a cleared payment. In some circumstances additional time may be need, in which case we will contact buyer.
Shipped orders that are returned by the shipping company due to an insufficient address or an undeliverable address will be refunded less a 20% restocking fee.
If package is refused or marked undeliverable and returned back to us by the carrier, you will need to pay the shipping cost in full to have the package sent back to you or we can refund the money minus the cost of shipping
MISSING A PACKAGE?
If you have not received your package, but the tracking information shows that it was delivered, please do the following within 36 hours of expected, stated delivery:
Verify the shipping address on the order is the address where you are looking for the package
Look for a notice of attempted delivery
Look around the delivery location for the package, or see if a neighbor has accepted the delivery
Be sure to double check your mailbox and other usual spots for package delivery
If you think that your package has been stolen, we will require a police report since this is now theft. Once we have a police report on file for the stolen package, we will reship your order.
This will be the second set, im still waiting on them to be shipped with the rest of my order, but the first set i bought 6 months ago were great , im looking forward to theses one's being just as nice once they ship with my basshead garage watt meter
I've got an earlier version of this Watt meter (15K) and it's a great unit. It easily allows you to find your lowest impedence so that you know you're not gonna damage your amplifier. It also lets you see the real time power numbers so you know exactly how hard you're pushing your amplifier. I also like to use it to test out amplifiers that I buy or repair to make sure they are working properly.
My only complaint is that it can't remember which screen mode it was in when you restart your vehicle. I like to see the Apparent Power, which is Raw power (Volts times Amps or VA mode), but whenever you cycle the system off and back on, it reverts back to the default screen, which is corrected power. This mode adds in the Power Factor which is a correction percentage and results in a reduced power number. Because the Power Factor can vary quite a bit, I think the Apparent Power mode is more realistic for people to use.
Without a doubt, this unit is way cheaper than the $450 AMM-1. I think that unit is more aimed at shop owners who are constantly moving it from vehicle to vehicle.
The Basshead Garage Watt meter is aimed more at the consumer who wants to install it and leave it in their vehicle so it's always there and running.
I definitely recommend it.
Pics are of me testing out an amp rated 300w at 4 ohm. It did really well.