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Device was shipped quickly. Testing under several humidity levels showed device is well outside its claimed accuracy. Used a mid-range laboratory grade instrument as reference. That said, it is good enough for my purpose of indicating loss of seal in a desiccated container. For the price it is excellent value for the right application.
Verified purchase: Yes | Condition: New
I have found these meters to be inaccurate. I would not recommend getting one if you're wanting a high level of accuracy. Not adjustable either.
Verified purchase: Yes | Condition: New
The part comes in at about 5% accuracy which is pretty good considering the price. It responds throughout the full range and is reasonably fast. I have seen a number of much more expensive devices that are almost a stuck dial.
Verified purchase: Yes | Condition: New
Bought 5, none read the same 12 degree spread. I use if as a relative indicator, get the quality you pay for. Came over on a slow boat .
Verified purchase: Yes | Condition: New
I like to put them around my house in different rooms to check humidity, Work great for the money. Patrick
Verified purchase: Yes | Condition: New