Before you start running your car after a period of hibernation, a car battery tester is one piece of kit that will let you know straight away if your pride and joy will fire up on the turn of the key ...

The largest initial expense was for the three battery-operated data-logging digital multimeters, which the professor said cost about $1,500 each in 2016. The battery-operated meters would log data for ...

We’ve noticed lately that some cheap meters have gone to having big colorful screens. The screens aren’t dot matrix, but still have lots of graphics that could be useful or could be ...