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Waterproof |
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Replaceable pH electrode with extractable junction |
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Automatic 1 or 2 point pH calibration |
Specifications
Parameter |
pH, Temperature |
|---|---|
| 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. |
HI98128 pHep®5 pH/Temperature Tester
The pHep®4 and pHep®5 testers 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