HANNA HI 98129

The HI 98129 Combo waterproof tester offer high accuracy pH, EC/ TDS and temperature measurements in a single tester! No more switching between meters for your routine measurements. The waterproof Combo ( it even floats) has a large easy-to-read, dual-level LCD and automatic shut-off. pH and EC/ TDS readings are automatically compensated for the effects of temperature ( ATC) . This technologically advanced tester has a replaceable pH electrode cartridge with an extendable cloth junction as well as an EC/ TDS graphite electrode that resists contamination by salts and other substances. This gives these meters a greatly extended life. Your tester no longer needs to be thrown away when the pH sensor is exhausted.

The EC/ TDS conversion factor is user selectable as is the temperature compensation coefficient ( ß ) . Fast, efficient, accurate and portable, the Combo pH, EC/ TDS and temperature tester brings you all the features you' ve asked for and more!

Range pH 0.00 to 14.00 pH
Range EC 0 to 3999 µ S/ cm
Range TDS 0 to 2000 ppm
Range Temperature 0.0 to 60.0° C / 32 to 140.0° F
Resolution pH 0.01 pH
Resolution EC 1 µ S/ cm
Resolution TDS 1 ppm
Resolution Temperature 0.1° C / 0.1° F
Accuracy pH ± 0.05 pH
Accuracy EC/ TDS ± 2% F.S.
Accuracy Temperature ± 0.5° C / ± 1° F
Temperature Compensation pH: automatic; EC/ TDS: automatic with ß adjustable from 0.0 to 2.4% / ° C
Calibration pH automatic, 1 or 2 points with 2 sets of memorized buffers
( pH 4.01 / 7.01 / 10.01 or 4.01 / 6.86 / 9.18)
Calibration EC/ TDS automatic, 1 point
TDS Conversion Factor adjustable from 0.45 to 1.00
pH Electrode HI 73127 ( replaceable; included)
Environment 0 to 50° C ( 32 to 122° F) ; RH max 100%
Battery Type / Life 4 x 1.5V / approx. 100 hours of continuous use;
auto-off after 8 minutes of non-use
Dimensions 163 x 40 x 26 mm ( 6.4 x 1.6 x 1.0" )