Here's your supplementary review to Darren's YouTube main channel video. I purchased my unit independently and have a different unit...

After showing how the ANENG 613 can be opened to install a lithium ion cell, I thought I would take a minute to show you that every unit...

Provided to KeepOnTesting for independent review, we have the $16 MSRP AC voltage detector device from Tesmen. This device is easy to...

In the YouTube comments, there were a few posts lamenting that this device doesn't have a lithium ion battery, instead using 2AAA cells. ...

To supplement the YouTube video, here are additional evaluation results so that you can be a more informed consumer. I purchased this...

Image from the 1995 Radio Shack catalog 4,000 count Auto-Ranging Digital Multimeter with Bar Graph and Hold. Specifications Note: minimum...

This unit was provided free of charge for non-biased independent review. Unit received inside a dedicated printed box, with English User...

Want to protect your not-so-cheap thermal camera multimeter? Here's my Tooltop 13S with grippy armor! Like me, you might have an old DMM...

Not too hard to do. You'll need two main items. (1) A set of extra test leads. They don't have to be anything special, just not...

I purchased a ET13S Thermal Imaging Camera & Multimeter combo with my own cash, $140 US, including macro lens, after June A.E. sales...

Recently I tore down a discarded barcode scanner, and found a Maxwell PC10 supercapacitor inside. I wanted to check if it a good part. ...

Input protection is an important feature in a multimeter to prevent damage to the meter or the user when measuring potentially dangerous...

Here's a closer look at the coil housing for the recently reviewed Sanwa AP33

There is an important tip I wanted to share. Please read down through to the problem until end to see the solution. Recently I built a...

I've just completed another RETRO-TECH review this time I've highlighted the Hewlett-Packard HP 3468A which was an incredibly feature...

A heads up to you multimeter owners who are looking to protect your meter properly. Look out for incorrect fuse ratings. Just today I...

A digital multimeter is considered a more modern that is considered easier to distinguish than an analog meter. So why do some...

On this KeepOnTesting channel, two SMD Tweezer DMM's were reviewed. I happen to have purchased same or identical models of these, and...

Many of our meters come with a "NCV" mode and sometimes a separate "Live" or "EMF" mode. This goal here is to present a description of...

Jully from ZOTEK/ZOYI Test instruments visited the KEEPONTESTING Studio/Lab for a box opening and a special questions/answers segment! It...