High,"_+/- 0.01 pH accuracy in a waterproof pocket-sized instrument! This unique Testr display pH and C readings on a single large display. It also features a double junction electrode ideal for dirty water and solutions with heavy metals or other contaminants. Its waterproof, dustproof housing protects Testr from rugged field or plant environments.
OK-35624-09 for pHTestr 1
OK-35624-29 for pHTestr 2
OK-35653-01 pH 4.0 calibration solution
Oakton pHTestr 30 - .01 pH Accuracy Temperature Display Videos