Economical industrial online dissolved oxygen meter, 1 or 2 point calibration, 4-20mA signal output, the meter is suitable for water treatment or aquaculture industry to monitor the oxygen concentration or saturation of water quality.
Features:
• Economical industrial online dissolved oxygen meter, equipped with a polarographic sensor.
• 1 or 2 point calibration, using air-saturated water or zero oxygen liquid.
• Salinity and atmospheric pressure compensation to eliminate measurement errors.
• Automatic temperature compensation to ensure accurate measurement of the full range.
• Manual temperature calibration to improve the measurement accuracy of the meter.
• RS485 communication output, in line with industrial instrument communication specifications.
• High or low alarm limit, you can customize the hysteresis.
• Setting menu can customize the number of calibration points, temperature unit, etc.
• Reset function, automatically restore the meter to the factory default settings.
| Model | BI-680 |
| Dissolved Oxygen | |
| Range | 0.0 to 20.0mg/L |
| Resolution | 0.1mg/L |
| Accuracy | ±0.5mg/L |
| % Saturation of Oxygen | |
| Range | 0.0 to 200.0% |
| Resolution | 0.10% |
| Accuracy | ±2.0% |
| Communication | |
| Signal Output | 4 to 20mA |
| Load | Max. 500Ω |
| Low or High Alarm | 0.00 to 20.00mg/L, selectable |
| Communication Interface | RS485 |
| Connection Terminals | Detachable screw terminals |
| General Specifications | |
| Calibration Points | 1 or 2 points |
| Temperature Compensation | 0 to 40°C/32 to 104°F, automatic |
| Pressure Correction | 60.0 to 112.5kPa/450 to 850mmHg |
| Salinity Correction | 0.0 to 35.0g/L |
| Environmental Conditions | Ambient temperature <60°C, relative humidity <80% |
| Power | DC24V |
| Dimensions | 96(L)×96(W)×75(H)mm |
| Weight | 350g |