The HANNA GroChek pH Stick Tester is fitted with an extra long and very sturdy pH electrode. The instrument itself is sealed against water and dust and features a protected LCD display and On/ Off switch. Calibration is manual at pH 7.
The HI 981408 ships complete with a pH electrode, pH 7 buffer solution, batteries and instructions. Warranty: 2-years (six months on electrode).
• Shock-resistant casing is designed to float!
• Special pH electrode
• Large easy to read LCD
• Highly accurate
• 2000 hours of operation on 2 AA batteries (included)
Size: 14″ long
Instruction Manual – PDF format
To minimize clogging and provide longer life to the pH electrode, it is recommended to clean it at least once a month. Immerse the tip of the electrode in cleaning solution (HI 7061) for 30 minutes, then rinse it with tap water and recalibrate the meter.