Featured Portable pH Meter with mV Range. 4 Instruments in 1 Unit.from $400.00sale $360.00 (save 10%)
HI 991003 is the first pH meter that can measure pH, pH-mV (to check the electrode status), ORP and temperature with only one probe.
Since ORP measurements are strongly effected by pH levels, HANNA® has developed the first meter that simultaneously measures both ranges. With all other instruments you need to switch the pH electrode with an ORP electrode (or vise-versa) and, therefore, it is impossible to have both measurements at the same time.
HI 991003 is largely used to control plating bath waste water, swimming pool water quality and potable water sanitizing processes.
HI 991003 is provided with our unique Sensor Check feature that allows the user to establish the status of the pH electrode before performing measurements. The Sensor Check feature consists of a pH-mV scale that shows the characteristics (slope and offset) of the sensor, allowing the user to determine if the electrode is in good condition.
HI 991003 is protected in a waterproof casing for use in humid and wet environments. It also features a large dual-level LCD that displays pH or ORP and temperature readings simultaneously.
| Specifications |
HI 991003 Portable pH Meter |
| pH Range |
-2.00 to 16.00 pH |
| ph Resolution |
0.01 pH |
| pH Accuracy |
±0.02 pH |
| pH Calibration |
Automatic, 1 or 2 point with 2 sets of memorized buffer values:
(pH 4.01 / 7.01 / 10.01 or pH 4.01 / 6.86 / 9.18) |
| mV Range |
±1999 mV |
| mV Resolution |
1 mV |
| mV Accuracy |
±2 mV |
| pH-mV Range |
±825 mV |
| pH-mV Resolution |
1 mV |
| pH-mV Accuracy |
±1 mV |
| Temperature Range |
-5.0 to 105.0°C / 23.0 to 221.0°F |
| Temperature Resolution |
0.1°C / 0.1°F |
| Temperature Accuracy |
±0.5°C (up to 60°C), ±1°C (outside);
±1.0°F (up to 140#176;F), ±2°F (outside) |
| Temperature Compensation |
Automatic, -5 to 105°C (23 to 221°F) |
| Electrode |
HI 1297D, amplified, combination pH/ORP electrode with internal temperature sensor,
DIN connector and 1 m (3.3') cable (included) |
| Battery Type / Life |
3 x 1.5V AA/ approx 1500 hours of continuous use;
auto-off after 8 minutes of non-use |
| Environment |
0 to 50°C (32 to 122°F); RH Max 100% |
| Dimensions |
150 x 80 x 36 mm
5.9 x 3.1 x 1.4" |
| Weight |
210 g / 7.4 oz. |
*Select only ONE gift. One gift per unit purchased. No refunds or exchanges on gift offer. In the event more than one gift is selected, we will ship the gift of our choosing.
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1.800.733.2522
