pH Tester for Education, with Replaceable Electrode HI 99104 is an ideal pocket tester for educational purposes. Designed with a 0.01 pH resolution and two-point manual calibration through easy-to-reach trimmers, it immediately displays pH variations to reflect the smallest change in the sample.
Unlike conventional testers, HI 99104 has a long and slim stem, ideal for measurements in small samples or vials. HI 99104 is supplied with a rugged, plastic body electrode and a screw connector that allows for quick and easy electrode replacement.
Additionally, it's low power demand allows for 1000 hours of lifetime with common 1.5V batteries! HI 99104 is supplied with HI 1270 pH electrode, batteries and instructions.
Range pH: 0.0 to 14.0 pH
Resolution pH: 0.1 pH
Accuracy pH: ¬Ī0.2 pH
Calibration: Manual, 2 points
pH Electrode: HI 1270 (included)
Battery Type / Life: 2 x 1.5V / approx. 1000 hours of continuous use
Environment: 0 to 50¬įC (32 to 122¬įF);
RH max 95%
Dimensions: 200 x 28 x 20 mm (7.9 x 1.1 x 0.8") - without probe