| SKU | HI981304 |
| Name | Pool Line Combo pH/EC/TDS Tester (High Range) – HI981304 |
| pH Range | 0.00 to 14.00 pH |
| pH Resolution | 0.01 pH |
| pH Accuracy | ±0.05 pH |
| pH Calibration | automatic, one or two-point 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 |
| EC Range | 0.00 to 20.00 mS/cm |
| EC Resolution | 0.01 mS/cm |
| EC Accuracy | ±2% f.s. |
| EC Calibration | automatic, one-point calibration at 12.88 mS/cm |
| TDS Range | 0.00 to 10.00 ppt |
| TDS Resolution | 0.01 ppt |
| TDS Accuracy | ±2% f.s. |
| TDS Calibration | automatic, one-point calibration at 6.44 ppt using 0.5 conversion factor) |
| EC/TDS Temperature Compensation | Automatic EC/TDS: ß=0.0 to 2.4% / ºC |
| EC to TDS Conversion Factor | 0.45 to 1.00 |
| Temperature Range | 0.0 to 60.0 °C (32.0 to 140.0 °F) |
| Temperature Accuracy | ±0.5 °C (±1.0 °F) |
| pH Electrode | HI73127 |
| Automatic Shut-Off | After 8 minutes of non-use |
| Battery Type/Life | 1.5V (4)/ Approximately 100 hours |
| Environment | 0 to 50 °C (32 to 122 °F); RH 100% |
| Dimensions | 171 x 41 x 26 mm (6.7 x 1.6 x 1.0”) |
| Weight | 93 g (3.4 oz.) |





