HANNA HI772 Saltwater Aquarium Alkalinity Colorimeter

Range: 0.0 to 20.0 dKH
Resolution: 0.1 dKH
Accuracy@ 25°C/77°F: ±0.3 dKH ±5% of reading
Light Source: LED @ 610 nm
Light Detector: silicon photocell
Method: colorimetric method
Environment: 0 to 50°C (32 to 122°F); RH max 95% non-condensing
Battery Type: (1) 1.5V AAA
Auto-off: after ten minutes of non-use
Dimensions: 86.0 mm x 61.0 mm x 37.5 mm (3.4" x 2.4" x 1.5")
Weight: 64 g (2.25 oz.)
Ordering Information: HI772 Checker® is supplied with (2) sample cuvettes with caps, alkalinity reagent
starter kit for 25 tests (1 bottle of alkalinity reagent), (1) 1 ml syringe and tip, ­­­ battery, instructions, and quick
start guide.