High-precision portable pH meter, with relative and absolute mV measurement modes, 5-point button calibration, setting menu can customize 9 functional parameters, the meter is suitable for measuring the pH and redox potential of samples, measurement accuracy: 0.002pH.
Features of pH mode:
• High-precision portable pH meter with backlit LCD display.
• 1 to 5 point calibration, automatic identification of USA/NIST/DIN standard buffers.
• Automatic electrode diagnosis, display pH slope and zero offset.
• Automatic temperature compensation to ensure accurate measurement of the full range.
• Calibration due reminder, reminding the user to calibrate the meter regularly.
ORP mode features:
• 1-point offset calibration, allowing adjustment of the displayed value to a known standard.
• Relative and absolute mV modes to ensure reliable redox potential measurement.
Common features:
• Automatic end point locking, keeping stable readings for easy browsing and recording.
• Automatic power off, effectively saving battery power consumption.
• The setting menu can customize the number of calibration points, display resolution, stability conditions, temperature units, date and time, etc.
• Reset function, automatically restore the meter to the factory default settings.
• Expand memory, store or recall up to 500 sets of data.
• USB communication interface, easy to transfer data to a personal computer.
• Multi-mode power supply scheme (battery, power adapter, computer USB port) to ensure the smooth application of the meter.
Specifications
| model | Bante221 |
| pH | |
| Measuring range | -2.000~20.000pH |
| display resolution | 0.001, 0.01, 0.1pH, optional |
| measurement accuracy | ± 0.002pH |
| Calibration point | 1 to 5 points |
| pH buffer option | USA, NIST, DIN, 2 custom buffers |
| ORP | |
| Measuring range | ±1999.9mV |
| display resolution | 0.1, 1mV, optional |
| measurement accuracy | ±0.2mV |
| Calibration point | 1 o’clock |
| Measurement mode | Relative or absolute mV |
| temperature | |
| Measuring range | 0~105°C/32~221°F |
| display resolution | 0.1°C/0.1°F |
| measurement accuracy | ±0.5°C/±0.9°F |
| Offset calibration | 1 point, measured value ±10°C |
| General parameters | |
| Temperature compensation range | 0~100°C/32~212°F, manual or automatic |
| Data lock | Manual or automatic end point lock |
| Stability conditions | Standard or high precision |
| Calibration due reminder | 1 to 31 days or closed |
| Automatic shut-down | 10, 20, 30 minutes after no key operation |
| Data storage | 500 groups |
| Communication output | USB |
| Connector | BNC, 3.5mm microphone jack |
| Display screen | Custom LCD display (80×60mm) |
| Power type | 3 AA batteries or DC5V power adapter |
| Dimensions | 170(L)×85(W)×30(H)mm |
| Meter weight | 300g |