HYDROLAB HL Série Manuel De L'utilisateur page 36

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.
14.4.2 Replace the electrolytes and PTFE junction
Replace the electrolytes and PTFE junction if the:
• pH readings are unstable or slow.
• A drift is seen in the pH readings.
• pH sensor will not calibrate.
Refer to the documentation supplied with the maintenance kit (014660HY) for the reference sensor.
Clean the sensor before maintenance.
14.5 Replacement parts
Personal injury hazard. Use of non-approved parts may cause personal injury, damage to the
instrument or equipment malfunction. The replacement parts in this section are approved by the
manufacturer.
Note: Product and Article numbers may vary for some selling regions. Contact the appropriate distributor or refer to
the company website for contact information.
Replacement parts
Description
O-ring, reference sensor base
Maintenance kit, reference sensor
Includes the O-ring for PTFE junction (red) and the items that follow
pH reference electrolyte, 100 mL
Potassium chloride pellets, 20 pellets
PTFE junction, standard
Section 15 Rhodamine WT sensors (007285, 007204, 9060800)
15.1 Specifications
Specifications are subject to change without notice.
Specification
Range
Linearity
MDL ppb
MDL RFU
Parameters
10
RFU is also the raw voltage measurement.
36 English
W A R N I N G
Details
0 to 1000 ppb
2
R = 0.999
0.04
0.0003
10
ppb, volts, RFU
Item no.
000704
014660HY
005308HY
005376HY
000548HY