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General| Model | BL 7916 |
|---|---|
| Measurement Parameters | pH, Conductivity, Temperature, Dissolved Oxygen |
| pH Resolution | 0.01 pH |
| Enclosure | IP54 |
| Conductivity Resolution | 0.01 mS/cm; 0.1 mS/cm |
| Temperature Resolution | 0.1°C |
| Dissolved Oxygen Resolution | 0.1 mg/L (ppm); 0.1% |
| Dissolved Oxygen Accuracy | ±1.5% F.S. |
| Calibration | Automatic |
| Outputs | USB, RS232 |
| Display | LCD |
| Connectivity | USB, RS232 |
Emphasizes careful reading of the manual for safe and correct pump installation and operation.
Details the technical parameters, ranges, resolution, accuracy, and power requirements for both models.
Details the Pt100 connection for temperature compensation, proportional dosing settings, and the level control function.
Describes the function of manual operation, auxiliary contacts, alarm contacts, and the 4-20 mA isolated output terminals.
Provides step-by-step instructions for calibrating the pH electrode using buffer solutions for the BL 7916 model.
Offers solutions for common problems related to electrical faults, unit operation, and liquid priming or flow rate issues.
Details procedures for cleaning the suction, discharge, and injection valves, inspecting the hose, and cleaning the pump head.
Outlines recommended maintenance tasks and component replacement schedules based on operating hours and time intervals.
Covers initial preparation steps and general maintenance for pH and ORP electrodes.
Provides guidance on testing electrode performance, proper storage to maintain readiness, and periodic maintenance routines.
Details specific cleaning procedures for electrodes based on contaminants and troubleshooting common electrode performance issues.
Addresses issues like slow response, drifting, and specific care for ORP electrode tips, including troubleshooting.
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