METER GROUP AquaLab 4TE - Cleaning

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SERVICE
Figure72 Conrmation that factory calibration was reset
5. Select OK.
4.2 CLEANING
Keeping the AQUALAB clean is vital to maintaining the accuracy of the instrument. Dust and
sampling debris can contaminate the sampling chamber, so regular cleaning is essential.
To clean the AQUALAB, carefully follow these instructions and refer to the labeled
diagram in Figure73. A video is also available at metergroup.com/meter_knowledgebase/
aqualab-4te-certification.
Mirror
Thermopile
Photoelectric (optical)
sensor
Sample block
Fan
Latch
Capacitance sensor
filter (TEV only)
Top block
O-ring
Lever
Figure73 AQUALAB sample chamber diagram
The purpose of the cleaning procedure is to remove grease, dirt, and other soluble
substances that can absorb or release water during verification, calibration, or sample
testing. The mirror must be perfectly clean for a smooth and even dew formation. If there are