Milwaukee PH51 User Manual download pdf (Page 2)

#1: CONDITIONING OF THE PH51:

THIS MUST BE DONE PRIOR TO

CALIBRATION & USE OF THIS UNIT

Remove the cap from the end of the unit and immerse

the pH51 probe into a cup or jar with 1” to 1.5” inches

of Bottle Drinking water, or 4.01 calibration solution, or

MA9015 storage solution for a minimum of 2 to 4

hours to activate the PH51 electrode.

____________________________________________

#2: CALIBRATION OF THE PH51:

After doing the conditioning and activation above

unscrew the battery compartment cap on the top of the

meter and locate the 2 calibration screws at the bottom

of the well opposite the battery compartment. Perform

the following two-point calibration procedure.

_____________________________________________

Calibration Procedure:

• With the cap off Immerse the Probe into pH7.01

(M10007) buffer solution provided.

• Allow the reading to stabilize and with the small

screwdriver provided inside the case, turn the ( “7” )

calibration screw located at the bottom, inside the

battery compartment, until the LED display shows

"7.0".

• Rinse the electrode with water and now put the probe

into pH4.01 (M10004) buffer solution provided.

• Allow the reading to stabilize and with the small

screwdriver turn the ( “4” ) calibration trimmer until

the LED display shows "4.0".

* * * YOU ARE NOW CALIBRATED * * *

#3: OPERATION OF THE PH51:

• Remove the unit from your storage container cup or jar

( Remember to always store the probe wet )

• Turn the pH51 on by pressing the ON key.

• Immerse the electrode in the solution to be tested.

• Stir gently and wait for the reading to stabilize.

• After use, turn unit off by pressing the OFF key and

rinse the end of the probe with water and then return it

to jar or cup for storage.

___________________________________________

#4: STORAGE OF THE PH51:

Leave the protective cap off and put the PH51 back in a

cup or jar that has 1” to 1.5” of either Bottle Drinking

water, or 4.01 calibration solution, or MA9015 storage

solution

____________________________________________

NEVER-> LET THE PROBE DRY OUT

Always store the probe in a cup or jar that is 1” to 1.5”

inches deep in Bottle Drinking water, or 4.01 calibration

solution, or MA9015 storage

_____________________________________________

NEVER -> USE DISTILLED OR

DEIONIZED WATER FOR

STORAGE PURPOSES.

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Milwaukee PH51 User Manual Page 2

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