horiba U-51, Инструкция по эксплуатации

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3 Basic Operation
57
17.
Press the up (

) and down (

) keys to set the "Turb" value to 80 NTU, or to the
known concentration of the standard solution between 10 and 100 NTU. (Input
range = 10.0 NTU to 99.9 NTU)
18.
Check that "Measurement value" has stabilized, then press the ENTER key to start
calibration.
19. When the message "Cal complete. Press ENT to Span cal." appears, press the
ENTER key to start the next span calibration procedure.
20. Wash the transparent calibration cup 2 or 3 times with deionized water, then fill it to
the reference line with 800 NTU standard solution, or a standard solution of known
concentration 100 NTU above.
21.
Wash the sensor probe 2 or 3 times in deionized water to remove any dirt, then
submerge the sensor probe in the transparent calibration cup.
22.
Press the up (

) and down (

) keys to set the "TURB" value to 800 NTU, or to the
known concentration of the standard solution 100 NTU above.
(Input range = 100 NTU to 800 NTU (U-52), 100 NTU to 1000 NTU (U-53, U-54))
23.
Check that "Measurement value" has stabilized, then press the ENTER key to start
calibration.
24. Calibration is finished when the message "Cal complete. ENT to manual cal menu."
appears. Press the ENTER key to return to the calibration parameter selection
screen.