| SKU | HI9814 |
| pH Range | -2.00 to 16.00 pH |
| pH Resolution | 0.01 pH |
| pH Accuracy @ 25°C / 77°F | ±0.02 pH |
| pH Calibration | Automatic, 1 or 2 point, with pH 4.01, pH 7.01, pH 10.01. One-point calibration using quick calibration solution |
| mV Range | ±825 mV (pH-mV) |
| mV Resolution | 1 mV (pH-mV) |
| mV Accuracy | ±1 mV (pH-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 @ 25°C / 77°F | ±0.5 °C / ±1.0 °F |
| EC Range | 0.00 to 6.00 mS/cm (EC) ** |
| EC Resolution | 0.01 mS/cm |
| EC Accuracy @ 25°C / 77°F | ±2% F.S. |
| EC Calibration | Automatic, one-point at 1.41 mS/cm or 5.00 mS/cm. One-point calibration using quick calibration solution |
| TDS Range | 0 to 3000 ppm (0.5 CF) / 0 to 3990 ppm (0.7 CF) |
| TDS Resolution | 10 ppm (mg/L) |
| TDS Accuracy @ 25°C / 77°F | ±2% F.S. |
| TDS Conversion Factor | 0.5 (500 ppm) or 0.7 (700 ppm) |
| Temperature Compensation | pH - Automatic, EC - Automatic with β=1.9%/ °C |
| Power Supply | 1.5V AAA batteries (3 pcs.) |
| Power Consumption | Approx. 600 hours of continuous use |
| Auto Shut-Off | User selectable: after 8 min, 60 min or disabled |
| Environment | 0 to 50 °C (32 to 122 °F), RH max. 100% |
| Dimensions | 154 x 63 x 30 mm (6.1 x 2.5 x 1.2 in.) |
| Weight | 196 g (6.91 oz.) |
| Warranty | 2 years for meter (HI9814), 6 months for probe (HI1285-7) |
| Recommended Probe | pH/EC/TDS probe (HI1285-7) |