Hanna Instruments HI701 Checker HC Handheld Colorimeter for Free Chlorine
Special Features
- More accurate than chemical test kits, less expensive than professional testing
- Single button operation for ease of use
- Uses EPA approved diethyl-p-phenylenediamine (DPD) method, for uses have these requirements
- Large LCD screen for readability
- Auto shut-off to extend battery life
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