Hanna HI98127 Handheld pH Meter (Waterproof) 6095 No need for batteries or

No need for batteries or charge controllers

Rinses easily without leaving a residue

Kit includes mounting bracket and crank arm

and is powered by Boveda

Hanna HI98127 Handheld pH Meter (Waterproof) 6095 No need for batteries orHanna HI98127 Handheld pH Meter (Waterproof) Hanna Instruments HI 98127PHEP4 PH Tester The HI98127 pHep4 is an advanced, waterproof pH and temperature tester with 0. 01 Resolution that makes measuring quick and easy. This accurate pH tester features 0. 1 resolution with automatic two point calibration and temperature compensation in a single, portable, pocket device. No more switching between meters for your routine measurements. Save on calibration