HANNA® Waterproof ORP Meters

Waterproof ORP Meters Available with Temperature or Temperature and pH

These advances Waterproof ORP Meters give you great results and offer waterproof protection. They even float! Two-button operation makes them simple and efficient to use.
Dual-level LCD shows the temperature at the bottom and ORP or pH on the top, depending on the model. Temperature can be viewed in °F or °C. Tactile grip casing makes units easier to hold onto. Automatic pH calibration. A battery error prevention system turns the Tester off when the battery level becomes too low to provide accurate readings. Auto shut-off after eight minutes of disuse. ORP / pH / Temp Meter (No. 125059) features automatic temperature compensation for accurate pH readings. Waterproof ORP / Temp Meter (No. 125058) and ORP / pH / Temp Meter operate on four 1.5V batteries. Measures 6.4"H x 1.6"W x 1"D and weighs just 3 oz.
Replacement ORP Probe (No. 125142) and Electrode Removal Tool (No. 125143) also available.