Review on π¬ Hanna Instruments Checker Handheld Colorimeter Tester: Optimized for Testing, Measuring & Inspecting by Michael Skerving
The meter is easy to use and accurate
The meter is easy to use and accurate. The only difficulty is fitting the entire pouch of reagent paper into the vial. It took me a few tries to get it right. It's also a little difficult to remove the battery cover to insert the battery. I had to carefully pry off the lid with a knife.
- Test, measure and test
- weak
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