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Industrial online pH controller, 1 to 3 points calibration, 4 to 20 mA outputs. The meter is suitable for monitoring the pH in the chemical, environmental protection and food industries.
Features:
• Economical online pH controller comes with an industrial pH electrode.
• 1 to 3 points calibration with auto-buffer recognition.
• Selectable pH buffer group, including the USA and NIST options.
• Automatic temperature compensation ensures accurate readings over the entire range.
• Automatic electrode diagnosis helps the user decide whether to replace the sensor.
• Setup menu allows setting the pH buffer group, number of calibration points, alarm limits,
hysteresis value, 4 to 20 mA output, etc.
• Reset function automatically resumes all settings back to the factory defaults.
Specifications
| Model | BI-620 |
| pH | |
| Range | -1.00 to 15.00 pH |
| Resolution | 0.01 pH |
| Accuracy | ±0.01 pH |
| Calibration Points | 1 to 3 points |
| pH Buffer Options | USA (pH 4.01/7.00/10.01) / NIST (pH 4.01/6.86/9.18) |
| mV | |
| Range | -1000 to 1000 mV |
| Resolution | 1 mV |
| Accuracy | ±1 mV |
| Temperature | |
| Range | 0 to 100°C / 32 to 212°F |
| Resolution | 0.1°C/°F |
| Accuracy | ±1°C / ±1.8°F |
| Offset Calibration | 1 point |
| Calibration Range | Reading ±10°C/°F |
| Communication | |
| Signal Output | 4 to 20 mA |
| High/Low Limit Alarm | 0.00 to 14.00 pH, selectable |
| Load | Maximum 500 Ω |
| Communication Interface | RS485 |
| Connection Terminals | Detachable screw terminals |
| Other Specifications | |
| Temperature Compensation | 0 to 100°C / 32 to 212°F, automatic |
| Environmental Conditions | 0 to 50°C / 32 to 122°F, relative humidity < 80% |
| Display | Custom LCD (70 × 45 cm) |
| Power Supply | DC 24V |
| Dimensions | 96 × 96 × 75 mm |
| Weight | 350 g |
