HANNA HI98128 pH Meter

HANNA HI98128 pH Meter are for users that require the greatest accuracy and features while staying economical. The pHep®4 has a 0.1 pH resolution and pHep®5 reads up to 0.01 pH.

Both models have BEPS, which prevents taking a reading due to low battery as well as user-selectable automatic shut-off, replaceable pH electrode cartridge, stability indicator and automatic calibration.

Features at-a-glance

Waterproof and designed to float
Automatic Temperature Compensation
HOLD button to freeze readings on the display
BEPS Alerts the user of low battery power that could adversely affect readings
Specifications
pH Range    -2.00 to 16.00 pH
pH Resolution    0.01 pH
pH Accuracy    ±0.05 pH
Temperature Range    -5.0 to 60.0°C / 23.0 to 140.0°F
Temperature Resolution    0.1°C / 0.1°F
Temperature Accuracy    ±0.5°C /±1°F
pH Calibration    automatic, at one or two points with two sets of standard buffers (pH 4.01 / 7.01 / 10.01 or pH 4.01 / 6.86 / 9.18)
Temperature Compensation    automatic
Battery Type/Life    1.5V (4) / 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.)
Ordering Information    HI98127 (pHep®4) and HI98128 (pHep®5) are supplied with HI73127 pH electrode, HI73128 electrode removal tool, batteries and instructions.