These lightweight and compact units offer IP 67 waterproof protection in a compact casing. The electrode has a built-in temperature sensor and amplifier, to safe guard your measurements to noise and electrical interference. The HA-991001 reads pH and temperature. HA-991003 is the first pH meter that can measure pH, pH-mV (to check the electrode status), ORP and temperature with only one probe.
HA-991001, and HA-991003 include HA-1296D pH electrode (HA-991001) or HA-1297D ( HA-991003), and internal temperature sensor, pH 4 and pH 7 buffer sachets, HA-700661 electrode cleaning solution (2 x 20 ml), 3 x 1.5 V "AA" batteries, rugged carrying case and instructions.
| Part Number | Model | Dimensions | Capacity | pH Range | pH - mV Range | ORP | Temperature | Calibration (pH) | Temp. Compensation |
| HA-991001 | Waterproof pH/Temperature Meter | 5.9" x 3.1" x 1.4" | 7.4 oz | -2.00 to 16.00 pH | - | - | -5.0 to 105.0°C, ± 0.5°C accuracy | Automatic, at 1 or 2 points with 2 sets of memorized buffers | Automatic; -5 to 105°C, for pH readings |
| HA-991003 | Waterproof pH/pH-mV/ORP/Temperature Meter | 5.9" x 3.1" x 1.4" | 7.4 oz | -2.00 to 16.00 pH | ± 825 mV | ± 1999 mV | -5.0 to 105.0°C, ± 0.5°C accuracy | Automatic, at 1 or 2 points with 2 sets of memorized buffers | Automatic; -5 to 105°C, for pH readings |
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