This manual describes the operation of HI 991300, HI 991301 waterproof pH/EC/TDS/Temperature Meters.
This manual covers the Hanna Instruments HI 991300 and HI 991301 waterproof meters, which measure pH, electro-conductivity (EC), total dissolved solids (TDS), and temperature. The devices feature a multi-parameter probe (HI 1288) and are designed for applications ranging from purified to brackish waters. All operations and settings are controlled via two buttons.
| pH Range | 0.00 to 14.00 pH |
|---|---|
| EC Range | 0 to 3999 µS/cm |
| TDS Range | 0 to 2000 ppm (mg/L) |
| Temperature Range | 0.0 to 60.0°C / 32.0 to 140.0°F |
| Resolution (pH) | 0.01 pH |
| Probe | HI 1288, pH/EC/TDS/temperature |
| Battery | 4 x 1.5V AAA |
| Dimensions | 150 x 80 x 36 mm |
All Hanna Instruments meters are warranted for two years against defects in workmanship and materials.
The probes are warranted for a period of six months.
Yes, the housing is waterproof and rated for IP 67 conditions.