| Range - pH | 0.0 to 14.0 pH | |
| EC | 0.00 to 4.00 mS/cm | |
| TDS | 0 to 1999 ppm (mg/L) | |
| Temperature | 0.0 to 60.0°C | |
| Resolution - pH | 0.1 pH | |
| EC | 0.01 mS/cm | |
| TDS | 1 ppm (mg/L) | |
| Temperature | 0.1°C | |
| Accuracy (@20°C/68°F) - pH | ±0.1 pH | |
| EC | ±2% F.S. mS/cm | |
| TDS | ±2% F.S. ppm | |
| Temperature | ±0.5°C | |
| TDS Conversion Factor | 0.56 to 0.78 | |
| pH Calibration | manual, 1 point | |
| EC Calibration | manual, 1 point | |
| EC/TDS Temperature Compensation | automatic 0 to 50°C (32 to 122°F) with β=2%/°C | |
| Probe | HI-1285-5 | |
| Battery Type / Life | (1) 9V / approximately 150 hours of continuous use | |
| Environment | 0 to 50°C (32 to 122°F); 100% RH | |
| Dimensions / Weight | 145 x 80 x 36 mm (5.7 x 3.1 x 1.5”) / 230 g (8.1 oz. |
