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- Portable pH meter PH-221, Range:-2.000~20.000pH
Portable pH meter PH-221, Range:-2.000~20.000pH
https://www.mventus.com/shop/tm-05-009-portable-ph-meter-ph-221-range-2-000-20-000ph-11335 https://www.mventus.com/web/image/product.template/11335/image_1920?unique=9bf433cThe Portable pH Meter is a high-precision handheld instrument for measuring pH and ORP (oxidation-reduction potential) in liquid solutions. Compact, reliable, and easy to use, it is ideal for laboratories, fieldwork, water quality testing, and industrial applications.
SKU: TM-05-009
Product Code: PH-221
The Portable pH Meter is a high-precision handheld instrument for measuring pH and ORP (oxidation-reduction potential) in liquid solutions. Compact, reliable, and easy to use, it is ideal for laboratories, fieldwork, water quality testing, and industrial applications.
| Specification | Value |
|---|---|
| Model | PH-221 |
| pH Range | -2.000 ~ 20.000 pH |
| pH Accuracy | ±0.002 pH |
| Resolution | 0.1, 0.01, 0.001 pH (Selectable) |
| Calibration Points | 1 to 5 points |
| pH Buffer Options | NIST (pH 1.68/4.01/6.86/9.18/12.45), DIN (pH 1.09/4.65/6.79/9.23/12.75) or 2 custom buffers |
| ORP mV Range | -1999.9 ~ 1999.9 mV |
| ORP mV Accuracy | ±0.2 mV |
| ORP Resolution | 0.1, 1 mV (Selectable) |
| ORP Calibration Points | 1 point |
| Temperature Range | 0 ~ 105°C (32 ~ 221°F) |
| Temperature Accuracy | ±0.5°C / ±0.9°F |
| Temperature Resolution | 0.1°C / 0.1°F |
| Offset Calibration | 1 point, reading ±10°C |
| Temperature Compensation | 0 ~ 100°C, manual or automatic |
| Stability Criteria | Low or High |
| Calibration Due Alarm | 1 to 31 days or off |
| Slope/Offset Display | Yes |
| Hold Function | Manual or auto-endpoint |
| Auto-Off | 10, 20, or 30 minutes after last key pressed |
| Memory | 500 data sets |
| Communication Interface | USB |
| Connector | BNC, 3.5 mm jack socket |
| Display | Custom LCD (80×60 mm) |
| Power Requirements | DC5V power adapter |
| Battery Option | 3 × 1.5V AA batteries |
| Battery Life | ~150 hours (with backlight off) |
| Dimensions (W×D×H) | 170×85×30 mm |
| Package Size (W×D×H) | 475×155×350 mm |
| Net Weight | 300 g |
| Gross Weight | 2 kg |