| Specifications | ||
| Product Type | ISFET Tester | |
| Meter style | Tester | |
| Range (pH) | 2.00 to 12.00 | |
| Resolution (pH) | 0.1/0.01 | |
| Accuracy (pH) | ±0.02 pH | |
| Accuracy (Dissolved Oxygen) | ±0.5% of reading | |
| Temperature compensation | Automatic | |
| Calibration | Up to 3 points | |
| Qty/ea | 1 | |
| Brand | HACH | |
| Dimensions (" W) | 1.125 | |
| Dimensions (" H) | 5/8 | |
| Dimensions (" L) | 5.5 | |
| Model | H138 | |
