Milwaukee Photo Scanner SM105 User Manual

GENERAL OPERATION:  
After measurements, switch the meter  
off by pressing the “ON/OFF” key. The  
“OFF” message appears on the LCD;  
release the button.  
The meter is supplied  
complete with a 9V bat-  
tery. Remove the battery  
compartment cover on  
the back of the meter and  
install the battery while  
paying attention to its po-  
larity.  
Notes:  
Before taking any measurement,  
USER MANUAL  
make sure that the meter has been  
calibrated (the “CAL” tag is displayed  
on the left lower corner of the LCD).  
PORTABLE pH METER  
WITH EXTENDED RANGE  
Connect the MA914BR/1  
probe to the meter.  
Always replace the electrode protec-  
tive cap after use with a few drops of  
storage solution.  
MODEL: SM105  
Turn the instrument on  
by pressing the ON/OFF  
key. At start-up, the LCD  
shows the percentage of  
the remaining battery life  
for a few seconds, and  
then the current mea-  
surement.  
Always remove the electrode protective  
cap before taking any measurement. If  
the electrode has been left dry, soak the  
tip (bottom 2.5 cm) in M10000 rinse so-  
lution for a few minutes to reactivate it.  
pH & Temperature Meter  
CALIBRATION PROCEDURE:  
It is recommended to recalibrate the  
meter at least once every three weeks.  
A) Preparation:  
Buffer solutions:  
1. pH 7.01 / 6.86 (MA9007 / MA9006)  
2. pH 4.01 (MA9004) for acidic calibra-  
tion (pH < 7) or pH 10.01 / 9.18  
(MA9010 / MA9009) for alkaline  
range (pH > 7).  
Use two beakers for each buffer solu-  
tion: one beaker for rinsing the probe,  
the other for calibration. In this way the  
cross contamination between solutions  
is minimized.  
Immerse the tip (2.5 cm)  
of the probe into the  
sample and stir gently.  
Read the pH value when  
the clock symbol stops  
B) Procedure:  
blinking.  
Select the calibration buffer set: press  
and hold the “ON/OFF” key until the  
LCD shows “TEMP”. Press again this  
key and the “BUFF” message will ap-  
pear; then select the desired buffer  
set with the “SET” key: “7.01 pH BUFF”  
(for standard solutions: pH 4.01, 7.01,  
10.01) or “6.86 pH BUFF” (for NIST  
solutions: pH 4.01, 6.86, 9.18). Press  
the “ON/OFF” key again to exit.  
Remove the protective cap, then im-  
merse the probe in the first buffer so-  
lution (7.01 or 6.86 pH).  
Press and hold the “ON/OFF” key until  
“CAL” is displayed on the lower LCD.  
The temperature reading can be displayed  
in °C or °F unit; to select the desired  
scale, press and hold the “ON/OFF” key  
until “TEMP” and the current temperature  
unit are displayed on the secondary LCD.  
Use the “SET” button to select the unit  
and then press the “ON/OFF” key a couple  
of times to return to normal mode.  
To activate the HOLD function, keep  
pressed the “HOLD” key. The measured  
value will be frozen on the display and  
the “HOLD” message appear on the sec-  
ondary LCD.  
 

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