CLEAN Instruments PH200 Operation Manual page 18

5.5 Measurement Mode
1. You can first set the meter per your request. Otherwise, the setting will be factory defaults.
2. Use tap water or distilled water to clean the pH and the temperature electrode, removing the
adhesive impurities on the surface of electrode.
3. After power on, press to select the operation mode (pH or MV).
4. Immerse the pH and the temperature electrode in the solution and stir gently. The measuring
mark will twinkle. You can read the value once the data is stabilized and shows the stable mark.
250" 250"
Auto Auto
e
O
LO)
-L
Qu
==
e
[e]
N
-L
Qu
6.86 ` BAB `
4.01 7.00 10.01 4.01 7.00 10.01
Note:
1. When the screen shows "Auto" means the temperature sensor is working and shows the actual
temperature upper right corner. You can refer to the "Temperature Offset setting" if a revision on
the temperature is required.
2. If the "Manual" is shown below the screen means the temperature electrode is disconnected
and is manual temperature compensation. Factory default is 25ºC. You can refer to P-02
" Manual temperature setting " to adjust the temperature.
3. The measuring value is stabilized when the screen showed a , The A is showed if the
Auto Lock Function is on. Press to unlock.
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