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 |