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Professional portable pH meter with relative mV measurement mode, 1 to 5 points calibration, setup menu contains 9 options, accuracy: 0.002 pH.
pH Mode:
? Professional portable pH meter is equipped with a backlit LCD display.
? 1 to 5 points calibration with automatic recognition for USA, NIST and DIN buffers.
? Automatic electrode diagnosis shows the pH slope and offset.
? Automatic temperature compensation ensures accurate readings over the entire range.
? Calibration due alarm prompts user to calibrate the meter regularly.
ORP Mode:
? 1 point offset calibration allows adjusting the displayed value to a known standard.
? Relative and absolute millivolt modes ensure the reliable ORP measurements.
Other Features:
? Auto-Read function senses and locks the measurement endpoint.
? Auto-Power Off effectively conserves battery life.
? Setup menu allows setting the pH buffer group, number of calibration points, resolution,
stability criteria, date and time, etc.
? Reset function automatically resumes all settings back to the factory defaults.
? Expanded memory stores or recalls up to 500 data sets.
? USB communication interface is easy to transfer data to PC.
? Multi-mode power scheme (batteries, power adapter and USB port) ensures that using the
meter smoothly.
Specifications
| Model | Bante221 |
| pH | |
| Range | -2.000 to 20.000 pH |
| Resolution | 0.001 / 0.01 / 0.1 pH, selectable |
| Accuracy | ±0.002 pH |
| Calibration Points | 1 to 5 points |
| pH Buffer Options | USA / NIST / DIN / 2 custom buffers |
| ORP | |
| Range | -1999.9 to 1999.9 mV |
| Resolution | 0.1 / 1 mV, selectable |
| Accuracy | ±0.2 mV |
| Calibration Points | 1 point |
| Measurement Modes | Relative / Absolute mV |
| Temperature | |
| Range | 0 to 105°C / 32 to 221°F |
| Resolution | 0.1°C/°F |
| Accuracy | ±0.5°C / ±0.9°F |
| Offset Calibration | 1 point |
| Calibration Range | Reading ±10°C/°F |
| Other Specifications | |
| Temperature Compensation | 0 to 100°C / 32 to 212°F, manual or automatic |
| Hold Function | Manual / Auto-read measurement endpoint |
| Stability Criteria | Low / High |
| Calibration Due Alarm | 1 to 31 days or off |
| Auto-Power Off | 10 / 20 / 30 minutes after last key pressed |
| Memory | Stores up to 500 data sets |
| Output | USB communication interface |
| Connector | BNC, 3.5 mm jack socket |
| Display | Custom LCD (80 × 60 mm) |
| Power Supply | 3 × 1.5V AA batteries or 5V DC power adapter |
| Battery Life | Approximately 150 hours without backlight |
| Environmental Conditions | 0 to 50°C / 32 to 122°F, relative humidity < 80% |
| Dimensions | 170 × 85 × 30 mm |
| Weight | 300 g |
