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You could give the PCB a once over a look for dirt or if its not autoranging check the range switch for dirt or poor contact, that could add a substantial series resistance. I'm surprised by the wrong reading on the 2V range, that should be the more accurate one! It suggests there is a problem with a resistance divider or there is something funky with the 9v battery.
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decisions that could cost a little or a lot of money. As measurement can decide whether a device gets serviced, a part need be bought, the device is trashed. It then comes down to trust, can you trust the cheapo to measure correctly on all its functions? Also will it hold up to environmental changes and drops, the last thing you need is a OK after a checkout, its stored in a case, and when you pull it to use, it reads wrong. You also pay a lot most for robustness and electrical protection. This is what all of Dave's reviews have shown, my personal observation of lower cost DMMs, its that they can read very well in some areas and not in others. It's when it is cheaper to ship ore from Australia to China to become steel and then is shipped to the US and Mexico to produce goods to be sold in the US instead of using steel that is at least already on our continent that is really hurting industry. Not making a $1.99 multimeter purchase is not much of a statement in opposition to Chinese manufactured goods. I suppose it would be possible for them to be owned by the Chinese and just a forwarding address is in CA, but more than likely they are not. Hopefully a US shipping company got paid to bring it into the country, Harbor Freight is owned by Central Purchasing which is a privately owned company based in Camarillo, CA. I am happy we don't manufacturer anything this crappy then watch people buy it below cost, only because of the cost. Not auto ranging As far as being made in the USA. You would need to be looking for flaky readings all of the time, just in case. Leads are probably not CAT ? rated and the meter inputs say CAT II, but I wouldn't trust my hand to it. Passing them out to people, to show them what they can get by with but why they need a good meter is cool of you. If it gets crushed in your toolbox, grab bag, glove compartment, or pocket who cares 5. Probably works well enough for most simple low voltage stuff 4. Local availability coupled with price - you don't have to wait for it to show up if there is a Harbor Freight in your area 3.