8.4 Sensor guidelines
Keep deposits off the sensor for best measurements. Examine the sensor to make sure that there
are no contaminants. Keep the substances shown in Table 6 away from the sensor.
Table 6 Contaminants
Substance Damage
Oil, sediment or biofilms Contaminates the sensor. If the sensor is contaminated, clean the sensor.
8.5 Maintenance
8.5.1 Clean the sensor
N O T I C E
To prevent damage to some sensors, do not use solvents that dissolve plastic to clean the sensors.
Note: It may be necessary to clean the sensor more frequently if the sensor is used in environments with sediment
(i.e., silt), mineral precipitate, biofilms, barnacles or pollutants such as oil.
1. Clean the sensor with:
• Mild detergent
• Non-toxic, degreasing solution, such as Simple Green
®
(A registered trademark of Sunshine
Makers, Inc.)
• Warm water
• Clean, soft toothbrush
• Soft cloth and/or cotton swabs
If necessary, soak the sensor in clean water for at least 30 minutes to make the contamination
softer and easier to remove.
Note: Do not use dishwashing liquid to clean the sensor. Dishwashing liquid and household cleaners with skin
moisturizer can put a film on the sensor.
2. Rinse the sensor with clean water.
3. If the substance cannot be removed, contact technical support.
8.6 Consumables
Note: Product and Article numbers may vary for some selling regions. Contact the appropriate distributor or refer to
the company website for contact information.
Description Quantity Item no.
0.1 mS/cm calibration standard 1 L 013610HY
0.5 mS/cm calibration standard 1 L 013770HY
1.42 mS/cm calibration standard 1 L 013620HY
12.856 mS/cm calibration standard 1 L 013640HY
47.6 mS/cm calibration standard 1 L 013650HY
22 English
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