PH METER HI 98128

HI 98128 Waterproof pH Tester with Replaceable Electrode w/ accuracy ± 0.05 pH Order Information: HI 98128 ( pHep 5) is supplied with protective cap, electrode removal tool, batteries and instructions. Specifications Accessories Downloads Range pH -2.00 to 16.00 pH Range Temperature -5.0 to 60.0° C / 23.0 to 140.0° F Resolution pH 0.01 pH Resolution Temperature 0.1° C / 0.1° F Accuracy pH ± 0.05 pH Accuracy Temperature ± 0.5° C / ± 1° F pH Calibration automatic, at 1 or 2 points with 2 sets of memorized buffers ( pH 4.01 / 7.01 / 10.01 or pH 4.01 / 6.86 / 9.18) Temperature Compensation Automatic Battery Type / Life 4 x 1.5V with BEPS / approx. 300 hours of continuous use; auto-off after 8 minutes of non-use Environment -5 to 50° C ( 23 to 122° F) ; RH max 100% Dimensions 163 x 40 x 26 mm ( 6.4 x 1.6 x 1.0" ) Weight 100 g ( 3.5 oz.)