| Model | miniLab IQ120 | miniLab IQ125 |
| Meter | Pocket-sized, waterproof non-glass pH meter |
| Sensor | ISFET silicon chip pH sensor |
| Calibration | 1 Point | 1, 2, or 3 Point |
| Reference | Replaceable KCl gel filled |
| pH Range | 2.0 to 12.0 pH |
| Resolution | 0.1 pH |
| Accuracy | ± 0.1 pH |
| Operating Temp. Range | 5 to 40oC |
| Display | LCD digital display (0.1 pH resolution) |
| Temp. Compensation | Automatic |
| Power | Two 3v lithium batteries CR2032 |
| Battery life | 200 hours continuous/ 10 hour advance low battery warning. |
| Dimensions | 5.5" W x 1.0" H x 5/8" D (142mm x 28mm x 15mm) |
| Shipping weight | 1.0 lbs. (.45 kg) |