Hanna Instruments Ltd.

Theory of pH
What is the pH value of a Chalk Cliff?
How does pH Measurement Work?
Electrode Problems?

We manufacture so many pH meters and pH electrodes that it has been known for customers to speculate whether the H in pH stands for HANNA! Although pH is a very important part of our company, the H in pH is just a Happy coincidence!

Rather than list all the meters and electrodes we make and waste your phone bill (and time) while you remain on-line, we have prepared an overview of the pH products as shown below. For a complete guide you will need a copy of our General Catalogue which will be sent to you if you contact us.

Product	Description	Price Range
Phep(s)	A range of pocket size instruments with 0.1pH resolution. Ideal for on the spot testing.	£20 to £35
Piccolo(s)	The next step up from Phep, these offer 0.01pH resolution, temperature compensation and interchangeable electrodes.	£70 to £100
Hand-Held	We offer a wide choice of hand-held meters from straight forward educational meters which measure pH, mV and temperature up to sophisticated waterproof meters with large dual level displays, GLP and datalogging features.	£100 to £400
Bench	With more bench pH meters to choose from than any other manufacturer you are sure to find the one you need in the HANNA range. Choose from single, dual or multi-level displays, built-in printers or datalogging RS232 download, GLP with date and time, 0.01 or 0.001pH resolutions and so on.	£220 to £800

A wide range of pH electrodes and maintenance, cleaning and calibration solutions are also available from HANNA. Request your copy of the Hanna Minicat Interactive Disk which is fully priced and has a search facility to make finding the pH meter you need even easier.