Ysi pH10A Manuel d'utilisateur télécharger pdf (Page 2)

OPERATION

A. Power ON/OFF

Press and hold “HOLD – On/Off” key for 3 seconds. The unit will turn on and enter the

“Measure Mode”. Press and hold “HOLD – On/Off” key again to turn off. The instrument has a

10 minute automatic shutoff.

B. Set Date and Time

1. Press and Hold “CAL” key until it enters “Date/Time Set Mode”.

2. Press “HOLD” key to select date or time parameters.

3. Press “STORE”

key to increase value or “SCROLL” key to decrease value.

4. Press “CAL” key for 2 seconds to return to “Measure Mode”.

C. Select Buffer Set

1. Press and hold “SCROLL” key until unit enters “Buffer Set Select Mode”.

2. Press “SCROLL” key again to select either 7.00 (7.00/4.01/10.01) or 6.86 (6.86/4.00/9.18)

buffer sets.

3. Press “STORE” key for 2 seconds to return to “Measure Mode”.

Note: It should only be necessary to select the buffer set once unless the set of buffers

changes.

D. Calibrate pH

1. Press “CAL” key for 2 seconds and release to enter “Calibration” mode.

2. Immerse meter into either pH 7.00 or 6.86 buffer solution depending on which Buffer Set you

are using. ‘WAIT” will flash.

3. The pH10A meter will determine when the calibration reading is stable. Meter is calibrated

when “WAIT” disappears. The unit will automatically enter the next calibration point 5

seconds later. One/first point calibration is now completed. Press “CAL” key to exit or

continue to next step for two/second point calibration.

4. Repeat Steps 2 and 3 for two/second point calibration by immersing the meter in pH

4.01/4.00 or 10.01/9.18 buffers.

5. Move to #6 for three/third point calibration or press “CAL” to exit two point calibration.

6. Repeat Steps 2 and 3 for three/third point calibration.

7. When “WAIT” disappears unit will automatically return to “Measure Mode”.

Note: For accuracy, it is recommended pH calibration is performed routinely with good buffer

solutions and a clean electrode or anytime after replacing the electrode.

E. Measure

Dip the electrode into the test solution while in the “Measure Mode”.

F. Hold Data

1. When the pH is stable, press “HOLD” key once to lock the reading on the display.

2. Press “HOLD” key again to unlock reading and the unit will return to “Measure Mode”.

The unit is now ready for another measurement.

Note: The unit cannot be powered off in “Hold Mode”.

G. Save Data

Either in the “Hold Mode” or the “Measure Mode”, press “STORE” key for 2 seconds. “DATA

SAVE” and “M-XX” will appear indicating the reading has been saved and stored in memory

location XX. The unit automatically returns to “Measure Mode”.

Note: The non-volatile memory stores up to 50 sets of data (pH, Temperature, Date, Time)

even if power is lost. If memory is full, the next set of data will overwrite the first data set stored,

etc.

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Ysi pH10A Manuel d'utilisateur Page 2

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