Offering users a choice of ORP/Redox and pH measurement combinations, this tester is a popular option for operators carrying out spot checks or testing on location.

Designed for use out in the field and in murky conditions, the meter is sealed against humidity, floats in water and has a bright green casing making it easily visible in low light levels.

Key features

• Dual level LCD screen that displays simultaneous readings

• Automatic temperature compensation

• Automatic calibration

• HOLD function freezes readings for ease of recording

• Floating water resistant casing helps prevent accidental loss of meter during testing in difficult conditions

• Battery % level at start up and stability indicator helps ensure tester is in optimum working order

• Cartridge electrode - exclusive to Hanna

• Electrode replacement with stainless steel round connector means there are no pins to bend or break during replacement

• Exposed stainless steel temperature sensor facilitates faster and more accurate temperature measurement

• Combination pH and Redox / ORP electrod

Supplied with

• HI 73127 pH electrode

• HI 73128 electrode removal tool

• Batteries & instructions

Spare electrodes
Easy to replace electrode cartridges with sturdy snap-in connections

• HI 73127 pH electrode