Model HI 98127: This Hanna Instruments waterproof tester features a dual-level LCD that gauges pH level 0.00 to 14.0, and temperature from 0.0 to 60.0 °C or 32.0 to 140.0 °F.
It provides a battery level indicator with an automatic shut-off. Batteries last for about 250 hours of continuous use. The pH Electrode Cartridge is replaceable.
Automatic calibration and stability indicator are also standard on this Hanna Instrument tester. Its not only waterproof - it floats!
Certified ISO 9001. A rugged piece of equipment that you can rely upon. One (1) year manufacturers warranty.