Harbor Freight often offers their cheap DMM's for free on coupons, or for less than ten bucks at normal price. Having worked as a Calibration Service technician for a major aerospace corporation for over 35 years, I didn't have much confidence in an El Cheapo multimeter, but decided to grab one on the coupon and check it out.
While not accurate enough to use as a Calibration Standard, they're plenty close enough to use for basic troubleshooting, and cheap enough that if something happens to it, you're not out much. I brought one to work, and checked it against our calibration standard sources, and was surprised something that cheap, was reasonably accurate.
I keep it in my car, in case I need to troubleshoot a problem with mine or someone else's car, and it saves me from having to keep my Fluke 27 in a hot car all the time. Similarly, with the cheap meter, if someone accidentally or purposefully walks away with it at the flying field, it's not a big fiscal loss.
While not accurate enough to use as a Calibration Standard, they're plenty close enough to use for basic troubleshooting, and cheap enough that if something happens to it, you're not out much. I brought one to work, and checked it against our calibration standard sources, and was surprised something that cheap, was reasonably accurate.
I keep it in my car, in case I need to troubleshoot a problem with mine or someone else's car, and it saves me from having to keep my Fluke 27 in a hot car all the time. Similarly, with the cheap meter, if someone accidentally or purposefully walks away with it at the flying field, it's not a big fiscal loss.
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