OHAUS Starter 3100 Bench pH Meter (ST3100-F)
The OHAUS Starter 3100 Bench pH Meter is a reliable benchtop instrument engineered for pH and ORP (oxidation-reduction potential) measurement. Designed for laboratory and educational environments, the ST3100-F model delivers high accuracy with intuitive operation and includes essential accessories. With a compact footprint and backlit LCD, it is well suited for routine pH/ORP monitoring, water-analysis tasks, and general lab use.
| Specification | Details |
|---|---|
| Model | ST3100-F |
| pH Measurement Range | -2.00 to 16.00 pH units |
| ORP (mV) Range | -1999 to +1999 mV |
| Temperature Range | -5 °C to 110 °C (in-use) |
| Accuracy | ±0.01 pH; ±1 mV; ±0.5 °C |
| Resolution | 0.01 pH; 1 mV; 0.1 °C |
| Display | LCD with back-light |
| Calibration | 3-point pH calibration (automatic buffer recognition) |
| Memory | 99 measurement memory locations |
| Dimensions (L × W × H) | 220 × 175 × 78 mm (8.66″ × 6.89″ × 3.07″) |
| Net Weight | ~0.75 kg (1.65 lb) |
| Power Supply | AC adapter included |
| Included Accessories | Stand-alone electrode holder; In-use cover; ST310 3-in-1 refillable pH electrode; buffer sachets (4.01, 7.00, 10.01) |
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High precision measurement with pH readability down to 0.01 units, enabling accurate lab results.
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Broad measurement ranges for pH, ORP and temperature, suitable for diverse sample types.
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Back-lit LCD for clear visibility in less-than-ideal lighting conditions.
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Intuitive interface with automatic buffer recognition, electrode condition indicators, and easy calibration.
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Compact and lightweight, simplifying bench setup and placement in constrained lab spaces.
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Memory function allows storing and recalling previous measurements for data tracking.
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Suitable for routine water analysis, chemical research, teaching laboratories, and general pH/ORP monitoring.
