DROK AC Voltage Amp Display, Digital Voltmeter Ammeter Multimeter Panel 500V 200A Voltage Current Tester Meter, LED Display Volt Amperage Reader Gauge with Current Transformer CT

I’ve bought these numerous times. Accurate over the years with no failures. My go to meters for monitoring generator loads.

First off, kudos to the person who included the wiring diagram in their review. I was able to make sense of the one on the page, but that is a great simplified, concise version that was helpful and easier to view when wiring it up. I specifically purchased the 4.5-100VDC /0-50A meter. I do a lot of tinkering in general with circuitboards and DC voltage, but for some devices I would need to or may exceed the 10amp fuse on the meters I have that can measure DC amperage (and also, the ones that I do have some weird 10A fuse you can't just run out and get somewhere, go figure, lol) One such project was replacing the dead Ni-MH battery in an old cordless vacuum with something more modern and readily available. I found a power tool battery that would supply 24VDC and that was also capable of providing the needed amperage, which I'm running through a DC Buck converter with adjustable voltage and amperage. This meter allowed me to correctly measure the voltage and adjust the amperage amp by amp to insure I was only reaching the amperage the vacuum needed to run without going over. I look forward to wiring up a little 3d printed enclosure to install this into so I can use it more like a regular meter with my tinkering. Highly recommend.

This thing is great. It matches what I can get with my calibrated BK Precision bench meter to the precision allowed by the DROK meter, which is "good enough" for my hobbyist stuff. I do wish there were markings on the housing itself for which terminals were which; if you ever lose the decal off the back of the unit and don't remember how things are wired up, you may have a bad time. Terminal screws are non-removable...Not a big deal, but may be relevant to some users.

Very reliable, precise, good reading, easy to install,

Used in conjunction with SCR Power supply for a small heating load. The amperage was too small to read accurately at 2 amps. I looped the output conductor 10 times through the CT providing a reading of 22 for 2.2 amps. Works perfectly