Calibration Checking Set for the HI-772 Marine Alkalinity Checker.

HI-772-11 is a high-quality set of calibration standards that allows users to validate the Marine Alkalinity Checker® HC – HI-772. The HI-772-11 includes one sealed cuvette for 0.0 dKH and one cuvette that is tinted to an equivalent 5.0 +/-0.3 dKH sample @ 25°C.

The calibration check set is produced using reagent grade chemicals in a temperature controlled environment.