HI779 pH Handheld Colorimeter • Easier to use and more accurate than chemical test kits • Dedicated to a single parameter • Small size, big convenience The HI779 Checker HC is a simple, accurate, and cost eective way to measure pH in swimming pools, hot tubs, and spas. Designed as a more accurate alternative to chemical test kits, this handheld colorimeter provides quick, accurate pH testing results. Specifications HI779 Range 6.3 to 8.6 pH Resolution 0.1 pH Accuracy ±0.2 pH of reading @ 25 °C (77 °F) Light Source Light Emitting Diode @ 525 nm Light Detector Silicon photocell Method Colorimetric Adaptation of Phenol Red Method Environment 0 to 50 °C (32 to 122 °F); max. 95% RH non-condensing Battery Type 1.5V AAA Alkaline Auto-off After 10 minutes of non-use Dimensions 86.0 x 61.0 x 37.5 mm (3.4 x 2.4 x 1.5”) Weight 64 g (2.3 oz) Ordering Information HI779 Checker HC is supplied with sample cuvette and cap (2 pcs.), Swimming pool pH reagent starter kit, 1.5V AAA Alkaline battery (1 pc.), and instruction manual. Reagent Set HI779-25 Reagents for approximately 100 Swimming pool pH tests Calibration Set HI779-11 Swimming pool pH certified standard kit See page10.166 for Checker HC accessories | www.hannainst.com 10 10.162 Photometers Checker®HC
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