The HI98128 pHep®5 is an advanced, waterproof pH and temperature tester with 0.01 Resolution that makes measuring quick and easy. This accurate pH tester features 0.01 resolution with automatic two-point calibration and temperature compensation in a single, portable, pocket device. No more switching between meters for your routine measurements.
- Compact & waterproof design fits right in your pocket so you can take it anywhere.
- Replaceable pH electrode extends the life of your pH tester for years.
- Automatic up to Three-Point pH Calibration
Features at-a-glance
Waterproof
- Designed to float if accidentally dropped in a tank
Expanded pH Range
- pH range is from -2.00 to 16.00 pH
Automatic Temperature Compensation
- All readings are compensated for variations in temperature
- Temperature displayed in °C or °F along with pH reading
Stability indicator
- pH tester displays a clock tag that will disappear when the reading has achieved stability
HOLD button
- Freezes reading on the display to allow recording of measurement
BEPS (Battery Error Prevention System)
- Meter will automatically shut off if there is not enough power to get an accurate measurement
Auto-off
- Meter automatically shuts off after 8 minutes of non-use to maximize battery life
| Specification | Detail |
|---|---|
| SKU | HI98128 |
| pH Ranges | -2.00 to 16.00 pH |
| pH Resolution | 0.01 pH |
| pH Accuracy (@25°C/77°F) | ±0.05 pH |
| pH Calibration | automatic, at one, two, or three points with two sets of standard buffers (pH 4.01 / 7.01 / 10.01 or pH 4.01 / 6.86 / 9.18) |
| pH Temperature Compensation | automatic |
| 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 Electrode | HI73127 pH electrode |
| Automatic Shut-Off | auto-off after 8 minutes of non-use |
| Battery Type / Life | 1.5V (4) / approx. 300 hours of continuous 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 | Each HI98128 is delivered in a cardboard box and is supplied with: HI70004 pH 4.01 buffer solution, 20 mL sachet (2 pcs.), HI70007 pH 7.01 buffer solution, 20 mL sachet (2 pcs.), HI700601 pH & ORP electrode cleaning solution, 20 mL sachet (1 pc.), HI70300N Storage solution for pH & ORP electrodes, 20 mL sachet (1 pc.), HI73127 pH electrode, HI73128 Electrode removal tool, 1.5V batteries (4 pcs.), Instrument quality certificate, & instruction manual. |
| Warranty | 1 year |
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