Range

0 to 300 ppm

Resolution

1 ppm

Accuracy @ 25°C/77°F

±5 ppm (mg/L) ±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

81.5mm x 61mm x 37.5mm (3.2" x 2.4" x 1.5”)

Weight

64 g (2.25 oz.)

Ordering Information

HI755 Checker® is supplied with (2) sample cuvettes with caps, alkalinity reagent starter kit for 25 tests (1 bottle of alkalinity reagent), ­­­(1) battery, instructions and quick start guide.