These are a nice low cost enhancement to small electronic projects. Good display and easy to read. A bit odd since the negative is used as the current input so the load common is above the power supply common, but they work well for many applications. They work as described and show consistent readings meter to meter. Consider the accuracy to be a rough approximation rather than a precision measurement. Very satisfied.
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Usually great, just got one bad batch.
So I buy these for work and for my own pet projects at home.They work great, and for the price, are a great bargain.Just pay attention to the wiring. They colors of the heavy wires are misleading if your barging ahead and assuming, and not paying strict attention to the wiring instructions.None of my own shipments have every been problematic as far as the meters working.This last shipment I ordered for work, of 2 packs of 5, were problematic, and the meters did not look like all the others.In the past, the others were slightly different. But this set was very different looking.Orders in Jan 2022 and earlier were great.Order in late Feb 2023 was great.Order in Jan 2023, had this bad batch, which looked very different.That Feb 2023 bad batch, all did not work, and several smoked. The one I had here for testing, when powered with a lab supply with 12vdc, it drew 300ma, no display, and climbed quickly to 700ma, and I turned off the power. That meter was on it's way to releasing the magic smoke.So look at the pictures. the one that says Bad (red text), was from the bad batch, all look the same in the batch. Comparatively to a good meter, it has nearly no components in the very middle of the PCB on the visible side of the PCB. And it has that table near center / bottom of the PCB , with 'HW" on it.The other picture, is of a good working / tested meter. And all my good ones look similar, but with some minor differences in component layout.So when the new order arrives, we will inspect and test, before waiting for a build.
Top reviews from the United States
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- Reviewed in the United States on March 16, 2023Color: Red-BlueVerified Purchase
So I buy these for work and for my own pet projects at home.
They work great, and for the price, are a great bargain.
Just pay attention to the wiring. They colors of the heavy wires are misleading if your barging ahead and assuming, and not paying strict attention to the wiring instructions.
None of my own shipments have every been problematic as far as the meters working.
This last shipment I ordered for work, of 2 packs of 5, were problematic, and the meters did not look like all the others.
In the past, the others were slightly different. But this set was very different looking.
Orders in Jan 2022 and earlier were great.
Order in late Feb 2023 was great.
Order in Jan 2023, had this bad batch, which looked very different.
That Feb 2023 bad batch, all did not work, and several smoked. The one I had here for testing, when powered with a lab supply with 12vdc, it drew 300ma, no display, and climbed quickly to 700ma, and I turned off the power. That meter was on it's way to releasing the magic smoke.
So look at the pictures. the one that says Bad (red text), was from the bad batch, all look the same in the batch. Comparatively to a good meter, it has nearly no components in the very middle of the PCB on the visible side of the PCB. And it has that table near center / bottom of the PCB , with 'HW" on it.
The other picture, is of a good working / tested meter. And all my good ones look similar, but with some minor differences in component layout.
So when the new order arrives, we will inspect and test, before waiting for a build.
Images in this review
Top reviews from other countries
- Y.S.CAReviewed in Canada on August 26, 2023
Labeled as 10pc, parcel came with only one inside
Color: Blue-RedVerified Purchase - DaveReviewed in Canada on August 7, 2023
received items do not match images included in the description
Color: Red-BlueVerified Purchase
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