Get accurate electrochemistry measurements with this multiparameter pen which measures conductivity, pH and total dissolved solids (TDS).
Get accurate electrochemistry measurements with this multiparameter pen which measures conductivity, pH and total dissolved solids (TDS).
Designed for use in water analysis applications, the Ohaus ST20M-B Multiparameter Starter Pen Meter provides accurate measurements of conductivity, pH and TDS. The user-friendly pen meter incorporates an LCD display, so you can see measurements in real time.
Features
Applications
| Measurement Range | |
| pH | 0-14 |
| Conductivity | 0 to 1999 μS/cm |
| TDS | 0 to 1000 mg/L |
| Salinity | N/A |
| Temperature | 0 to 210.0°F (0 to 99.0°C) |
| Resolution | |
| pH | 0.01pH |
| Conductivity | 1μS/cm |
| TDS | 1 mg/L |
| Salinity | N/A |
| Temperature | 32.18°F (0.1°C) |
| Accuracy | |
| pH | ± 0.05 pH |
| Conductivity | ± 2% Full Scale |
| TDS | ± 2% Full Scale |
| Salinity | N/A |
| Temperature | ± 32.9°F (0.5°C) |
| ATC | Yes, with temp. display |
| ATC range | 32 to 113°F (0 to 45°C) |
| Calibration | |
| pH | 3 point |
| Conductivity | 1 point |
| TDS | N/A |
| Salinity | N/A |
| General | |
| IP grade | IP67 |
| Dimensions | 185 × 45 × 38 mm |
| Weight | 110 g (0.24 lb) |
| Battery | 4 × 1.5V |
| Battery Life | 100 hrs |
| Warranty | 1 year |
| Measurement Range | |
| pH | 0-14 |
| Conductivity | 0 to 1999 μS/cm |
| TDS | 0 to 1000 mg/L |
| Salinity | N/A |
| Temperature | 0 to 210.0°F (0 to 99.0°C) |
| Resolution | |
| pH | 0.01pH |
| Conductivity | 1μS/cm |
| TDS | 1 mg/L |
| Salinity | N/A |
| Temperature | 32.18°F (0.1°C) |
| Accuracy | |
| pH | ± 0.05 pH |
| Conductivity | ± 2% Full Scale |
| TDS | ± 2% Full Scale |
| Salinity | N/A |
| Temperature | ± 32.9°F (0.5°C) |
| ATC | Yes, with temp. display |
| ATC range | 32 to 113°F (0 to 45°C) |
| Calibration | |
| pH | 3 point |
| Conductivity | 1 point |
| TDS | N/A |
| Salinity | N/A |
| General | |
| IP grade | IP67 |
| Dimensions | 185 × 45 × 38 mm |
| Weight | 110 g (0.24 lb) |
| Battery | 4 × 1.5V |
| Battery Life | 100 hrs |
| Warranty | 1 year |
