Milwaukee pH51 #1 Conditioning of the PH51, #2 Calibration of the PH51, #3 Operation of the PH51

#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.

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#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.

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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.

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#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

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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

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NEVER -> USE DISTILLED OR

DEIONIZED WATER FOR

STORAGE PURPOSES.