Hanna HI98121 | Waterproof pH/ORP/Temperature TesterThe Hanna HI98121 is a waterproof combo tester for users who need both pH and ORP measurements in a single compact instrument. It is suitable for pools, sanitizers, wastewater, water treatment plants, and industrial process checks where pH and oxidation reduction conditions are monitored together. This tester provides 0. 01 pH resolution with automatic calibration and automatic temperature compensation. The ORP function is useful for checking

When grinding weld beads

700 spm and a 23mm stroke height

it is the premier diagnostic instrument for municipal water authorities and commercial RO plants

allowing you to quickly download and format your field records into clean

Masonry cutting

or SS316 Stainless Steel for high-abrasion resistance

0mm at 5m and line accuracy of ±1

24 Nm max torque

Equipped with a 185x20mm blade

analogue solenoid dosing pump designed to inject chemicals into high-resistance pipelines

Machinery service work

The mercuric nitrate titration method uses chloride reaction chemistry and a visual endpoint for straightforward field or laboratory use