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digital voltage led

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digital voltage led Customers Reviews

  • LED meter

    posted by Egyska

    Simple Voltmeter. Good case. Ideal for adding voltage measurement at home installations in a very inexpensive way. Quite accurate compared to UNI-T UT33C tester. Display has good visibility, day or night. Easily connects to your power supply and operates from the beginning.
    REALLY easy-to-use: just connect the wires and you get the voltage. Measure the alternating voltage from 0 to 600V
    A good product for constant monitoring of voltage. I recommend buying this Voltmeter. Will work as expected.
  • Nice small voltmeter

    posted by GBDealX

    Small overall with bright clear display.Simple hookup with third wire allowing for monitoring voltage independent of meter power supply.
    Should come with some connection information although the connections for this unit are more intuitive than for the matching ammeter.Caution when connecting to measure voltage other than the meter power supply: the measured voltage source must either be complete isolated from the meter power supply OR share a common ground.
    Good display for permanent installation. Will not replace your multi-meter,
  • Easy to use volt / amper panel

    posted by alikox1

    This panel meter has a small size that make it ideal for small projects. Different colors for volt and ampere readings makes it easy to read. Decimal point is adjusted automatically based on the value read.On the back side, there are two separate small calibration points for voltage and ampere readings. Use them first to calibrate against a well known multimeter.
    Ampermeter is based on the voltage reading on a small shunt resistor, it does not contain a Hall effect sensor as with the more advanced ammeters.
    Great value for money. I bought one for my DIY PSU project.
  • Excellent little tool

    posted by OldNick

    These are very useful when checking LiPo batteries, during charging and usage. They are very accurate, at least in my case. I bought 8 and they all worked well.
    The other must have for me is the ones with the alarm. They are better than these if you are flying or driving as they scream when you get low Voltage.
    They are so cheap that if you own LiPos you need them. I just bought a heap and have one per battery.
  • good clock

    posted by bujdos

    Good brightness of display, adjustable in 3 steps.Clock back-up by internal battery, quite accurate (error ~1 sec per week).Simple control.
    Thermometer reasonably accurate, resolution 1°C. Resolution of 0.1°C would be nice (although the practical usefulness of such resolution is questionable).When supply voltage is less then ca. 10V, the reading of the voltmeter is wrong (although the gadget works from 5-6V). At 13.5 V it draws 40-50 mA.
    The display has a bit "dense" look, the numerals are close to each other.

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