Bante221 Portable pH Meter
• 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.
• 1 point offset calibration allows adjusting the displayed value to a known standard.
• Relative and absolute millivolt modes ensure the reliable ORP measurements.
• 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.
Model | Bante221 |
pH | |
Range | -2.000 to 20.000pH |
Resolution | 0.001, 0.01, 0.1pH, selectable |
Accuracy | ±0.002pH |
Calibration Points | 1 to 5 points |
pH Buffer Options | USA, NIST, DIN, 2 custom buffers |
ORP | |
Range | ±1999.9mV |
Resolution | 0.1, 1mV, selectable |
Accuracy | ±0.2mV |
Calibration Points | 1 point |
Measurement Modes | Relative or absolute mV |
Temperature | |
Range | 0 to 105°C/32 to 221°F |
Resolution | 0.1°C/0.1°F |
Accuracy | ±0.5°C/±0.9°F |
Offset Calibration | 1 point |
Calibration Range | Reading ±10°C |
General Specifications | |
Temperature Compensation | 0 to 100°C/32 to 212°F, manual or automatic |
Stability Criteria | Low or high |
Calibration Due Alarm | 1 to 31 days or off |
Auto-Power Off | 10, 20 or 30 minutes after last key pressed |
Memory | Stores up to 500 data sets |
Output | USB communication interface |
Connector | BNC, 3.5mm jack socket |
Display | Custom LCD (80×60mm) |
Power | 3×1.5V AA batteries or DC5V power adapter |
Battery Life | Approximately 150 hours (turn off the backlight) |
Dimensions | 170(L)×85(W)×30(H)mm |
Weight | 300g |