The Hannah pH Electronic Pen is ideal for testing tank mixes to insure the proper pH of spraying solutions. 

The  Hanna  pHEP stands for pH electronic paper.  This meter revolutionized the standards in pH measurement.  The pHEP Pen ease of use in combination with its affordability made it
possible for non-technical and technical personnel alike to measure pH on the spot, accurately and inexpensively.   The pHEP Pen includes features such as a dual-level LCD, battery level indicator, replaceable pH electrode cartridge, stability indicator, automatic shut-off, automatic calibration, waterproof casing plus 100% buoyancy.

The Hannah pH Electronic Pen is ideal for testing tank mixes to insure the proper pH of spraying solutions. 

Features at a glance viewing, once turned on, the LCD indicates the percentage of battery power remaining.

Stability of pH measurement is indicated by the timer symbol. 

The ATC symbol is shown when temperature compensation is active.

The pHEP Pen allow the user to easily choose between temperature readout in °C or °F.

The pHEP Pen's HOLD feature temporarily holds the LCD display so you may view a single reading.