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digital led meter

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digital led meter 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,
  • Excellent low cost precision voltmeter

    posted by TrinityTrip

    Nice and compact. Excellent precision. Simple to use; Hook up Red to plus and black to ground and measure with white and black.
    None so far... perhaps an option to buy accesories such as a masking plate and mounting hardware.
    Excellent choice for home projects, diy power supplies, replacment modules etc.
  • pvieira

    posted by Paulo9133

    Great product, very useful if you need a simple voltmeter. I was looking for a product like this for months, but I found just car voltmeters. Looks like a professional product, you can install it in a professional power supply and sell, good presentation, no scratchs or failures on injected plastic.
    This product could have some instructions, for example: what is the trimpot for? What is maximum and minimum dc power input? And about range, could be 0 to 19.99Vcc? If we could change dot position (with a simple jumper), this meter could be used in much more applications.
    I really like this product, I recommend.
  • Nice DC ammeter/Voltmeter

    posted by Rimlyanin

    This device is small in size, without using an external shunt accurately measures the volts and amps in your circuit. Ammeter and voltmeter can be calibrated independently of each other for this purpose on the rear side of the device has two trimming resistor.
    The ammeter measures the voltage drop across the internal shunt resistor , which is not always possible to get a fairly accurate reading.
    Good quality / price ratio . To use such control circuitry .

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