![Loading...](https://asset2.cdn.bulkreefsupply.com/static/versiona9982578e5c2e1b924822654235020dea05f8274/frontend/Brs/aquatic/en_US/images/loader-1.gif)
Easily calibrate and test proper functionality of your Hanna Checker HI780 Marine pH Colorimeter.
- Contains Standard A and Standard B
- Follow instructions in packaging
- Includes certificate of analysis
- Reuseable with long shelf life
Hanna Checker Instructions for Marine pH Calibration Check Set:
1. Thoroughly wipe standard cuvette with a lint free cloth and only handle using top of a cuvette. The cuvette wall must be dry and free of smudges.
2. At the C.1 prompt, place A, HI780-11 standard cuvette into the holder of the Checker and press the button.
3. At the C.2 prompt, place B, HI780-11 standard cuvette into the holder of the Checker and press the button.
4. Compare readings to the certificate of analysis for calibration reference.
Login and Registration Form