If this product does not work upon receiving it, then you have to change the batteries. LR 44 batteries can be bought by it's equivalent battery, #357. It worked just as it is suppose and it will be good for many testing afterwards.
Verified purchase: Yes | Condition: New
I wanted to set my water softener fir hardness and I bought this guagwe to tell me the hardness of the water. I'm not sure what you would use this meter for but it's not for checking hardness of water.
Verified purchase: Yes | Condition: New
Handy and easy to use.
Verified purchase: Yes | Condition: New
Worked the very first time it was used.
Verified purchase: Yes | Condition: New
Good quality product.
Verified purchase: Yes | Condition: New
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