Operation - HYDROLAB HL4 Manuel D'utilisation

3. Start the Hydrolab Operating Software. The connected instrument shows in the Connect to
Device field.
Note: If step 2 is not done at initial installation, the instrument will not be shown in the Connect to Device field.
4. Select the instrument, then click Connect.
Figure 4 Connect the instrument to the PC

Operation

Configuration
Configure the software, instrument and sensor settings. Refer to Configuration in the online help.
Calibration
Calibrate the sensors before initial use, at regular intervals and after sensor maintenance or
modifications. Refer to Calibration in the online help.
Periodically, do a calibration check to make sure that measurements are still within tolerance range.
Refer to Calibration in the online help.
Prepare the sensors for calibration
Before calibration, always rinse the storage/calibration cup and clean the sensors to prevent
contamination of the calibration standards.
1. Rinse the storage/calibration cup with clean water.
2. Clean the sensors. Refer to the sensor documentation for instructions.
3. Rinse the sensors at least three times with deionized water. Refer to
4. Rinse the sensors at least two times with a calibration standard. Refer to
For the best results, discard the deionized water and calibration standard after each rinse.
8 English
Figure 5.
Figure 5.