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Range: 0 - 500 ppm
Resolution: 1 ppm
Accuracy: ±5 ppm (mg/L) ±5%
Light source: LED @ 610 nm
Light Detector: Silicon photocell
Method: Colorimetric method
Environment:0 - 50°C
Battery Type: (1) PIN 1.5V AAA
Auto-off: After ten minutes of non-use
Dimensions: 81.5mm x 61mm x 37.5mm
Weight: 64g
Ordering Information: HI775 Checker® is supplied with (2) sample cuvettes with caps, alkalinity reagent starter kit for 25 tests (1 bottle of alkalinity reagent, 1 ml syringe and tip), battery, instructions and quick start guide.
Option: HI775-11 Alkalinity Checker HC® Calibration Check Set, HI775-26 Alkalinity Checker Reagents, HI731318 Microfiber Cloth for Wiping Cuvettes (4)