HI736-11 Phosphorus Calibration Check Set for HI736 Checker

Easily calibrate and test proper functionality of your Hanna Checker HI736 Phosphorus Ultra Low Range for marine water (saltwater).

• Contains Standard A and Standard B
• Follow instructions in packaging
• Acceptable results must be between 90 and 110 ppb at 25°C

Hanna Checker Instructions for Phosphorus ULR Standards:

1. 1. Thoroughly wipe standard cuvette with HI731318 lint free cloth and only handle using top of cuvette. The cuvette wall must be dry and free of smudges.
2. 2. At the C. 1 prompt, place A, HI736-11 standard cuvette into the holder of the Checker and press operations button.
3. 3. At the C. 2 prompt, place B, HI736-11 standard cuvette into the holder of the Checker and press operations button.
4. Acceptable results must be between 90 and 110 ppb at 25°C