The unit works well and never stopped since we arrived innovember 2013 . Was installed in a vehicle at dashboard and connected to the car battery to measure consumption of stereo and battery voltage.
Good quality and excellent bright. No shunt necessary. No manual at all. I did a researched a lot to connect properly as there are no instructions anywhere ... Read more
Cheap, simple and effective U need a little electrical knowledge to use it becouse no wiring diagram supplyed ! Wiring is simple: The power supply line (thin red and black) u need only use of the RED wire to make a stable + voltage to supply (5-30 VDC). The THICK 3 wire is following: Thick Black to the power supply or battery NEGATIVE pole. Thick Yellow ... Read more
very cheap and light. The range of voltmeter is automatic. Very small. Easy to installer in a box. very easy to calibrate the voltmeter and the ampmeter with two screws. the scale of the ampmeter is totally useless for small measures (150 mA, 260 mA, ...) . Is very complicated to connect the ampmeter. is a good idea to make your DIY power supply for ... Read more
This little meter displays both Volts and amps, it seems pretty accurate and Is clear and easy to read. Very useful for knowing what's going on with your device load. Difficult to hook up correctly, there are no instructions included, The instructions I could find were in the picture on the item's page. It can be a little tough to figure out if you ... Read more
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