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This device plugs into a wall outlet and measures line voltage. It's about 4 inches wide by 3inches tall. That makes it easy to read at a glance or at a distance. Handy in areas where you may have wide voltage variations as the day progresses. I have been in places where the line voltage might be as high as 130 vac in the early moring and sag to as low as 85 volts in the late afternoon because of air conditioning demands. Also handy when you have an adjustable ac voltage source and need a quick and easy way of reading what voltage you have. I repair old radios for a hobby, and find a variac ( variable transformer) to be an invaluable tool for easing radios back into life that haven't seen usage in 20-30 years. Its an old TV shop trick for determining if expensive components have solved the problem or if they were merely a victim and will quickly fail again as the original problem is still there. But variacs don't usually come with a voltmeter or its small (hard to read) or of questionable accuracy. You could use a cheap digital voltmeter, but again it usually has a small readout which can be hard to read depending on viewing angle and lighting. RCA test equipment was lab quality equipment in its day and is still excellent stuff. This meter is no exception.Read full review
Verified purchase: Yes | Condition: Pre-owned
I have always needed an analog line voltage indicator. I had a digital one but the SMPS caused hash on my HF radio. This RCA meter is just the item I needed. I missed out on a Heathkit analog one a while back but glad that I saw this item. Shipping was quick and packed well. Accuracy is good for an old analog device.
Verified purchase: Yes | Condition: Pre-owned
This is an Awesome Vintage RCA Power-Line Monitor. I have used this identical type years ago in my Electronics Repair Shop. It is VERY Accurate. Love It.
Verified purchase: Yes | Condition: Pre-owned
Accuracy tested using Fluke 8060A Digital VOM, RCA WV-120A reads + 0.6 volts higher than Fluke 8060A. (At 120 volts) That is more than accurate enough for this kind of use. Meter is large, and easy to read at a distance.
Verified purchase: Yes | Condition: Pre-owned
These are old tech and oh so useful. A must have item on your workbench if you use electricity!
Verified purchase: Yes | Condition: Pre-owned
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