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dc digital meter

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dc digital meter Customers Reviews

  • 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,
  • nice display

    posted by prOOwner89

    I like this thing a lot, i had another one in red without the frame and it didn't look as good as this one, the blue color is nice and even, no dark sports, and seems fairly correct to me. The black surrounding around the display is made of the same material as most dashboards so could be integrated very wel in a dashboard without noticing. The display has a matte cover over it to enhance visibility in the sun or bright daylight.
    none
    This is the way to go is you want a nicely finished display with a case to match so you can build it in in something
  • DIY

    posted by baco10040

    Voltmeter and Ammeter are very good calibrated. I tested it with my multimeter and it was fine 0.1 accuracy. Scheme is not correct. For real accuracy connector with a black and red wire must be connected to another power supply 0-30VDC. I use battery Ni-Cd 10000mAh. It is not possible to use it on same power supply when messuring volts and ammps
    Nothing special. Overell a very good product. Good visibility on display. Package came in one piece.
    Very quick delivery time.
  • The voltmeter (very precise)

    posted by szili83

    The "V20D 0.56" LED Two Line 3-Digital Direct-Current Voltmeter Meter Module - White + Green (DC 2.5~30V)" device is good. I attached some photo, and one video. The measurement is precise. It may the precision of the voltmeter to calibrate with the potmeter (bottom side). I calibrated it. The product is very cheap. It luminous intensity of the voltmeter is very strong. The color of display is reed.
    The device is very cheap, good, and exact.
    Cheap, and good device.
  • Great voltage meter

    posted by messersDX

    CheapNice displayRelatively accurateLow power consumptionStandard socket dimensions
    Integrates nicely in my car interior, I used two; one for a household battery, one for the regular car battery. Quickly shows the change in voltage when the dynamo kicks in.
    Very good price / quality ratio, I'm going to reorder very soon for other projects.

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