Fast and accurate readings for the cost of a few rolls of litmus paper 3,000 hours of continuous use Large, easy-to-read LCD Range: 0-14 pH; resolution: 0.1 pH; accuracy: ±0.2 pH Manual, two-point calibration Checker 1 testers have a replaceable screw-type combination pH electrode.

A waterproof ORP and temperature meter, the housing has been completely sealed against humidity and designed to float. The temperature values can be displayed in °C or °F units. The meter is factory calibrated and measurements are highly accurate with a stability indicator right on the…

The pHep ® 4 tester is for users that require the greatest accuracy and features while staying economical. This model has BEPS as well as user selectable automatic shut-off, replacable pH electrode cartridge, stability indicator and automatic calibration. Waterproof and designed to…

1228Q43 is a waterproof pH, ORP and temperature meter. The housing has been completely sealed against humidity and designed to float. All pH readings are automatically temperature compensated and temperature values can be displayed in °C or °F. The meter can be calibrated at one or two…