reedinstruments
www
com
8
Pantone 534 Blue
Pantone 123 Yellow
Pantone 485 Red
Pantone 123 Yellow
Pantone 534 Blue
Black
Rich Black -
20/20/20/100
Blue - 100/80/30/5
Yellow - 0/27/100/0
Red - 10/100/100/5
Yellow - 0/27/100/0
Blue - 100/80/30/5
Only if you REALLY need them:
Pantone 534 Blue - 100/80/30/5
Pantone 485 Red - 10/100/100/5
Pantone 123 Yellow - 0/27/100/
INSTRUMENTS
6. Press the Up and Down Buttons to select either “4.00” for pH 4.00
Calibration, “7.00” for pH 7.00 Calibration, “10.00” for pH 10.00
Calibration, or “CLr” to clear the existing calibration data. Select
the screen that matches your pH Buffer Solution. Press the Enter
Button to make your selection.
7. Two calibration points should be completed for the highest ac-
curacy. Calibration procedures should start from pH7 calibration
then with either pH4 or pH10 calibration. Rinse the electrode with
distilled water between each calibration. The Calibration should be
completed at least twice, for the highest accuracy.
Data Hold
While taking a measurement, press the Hold Button once and the mea-
sured value will hold on the screen, and a HOLD symbol will appear.
Press the Hold Button once again will release the data hold function.
Data Record (Max., Min. reading)
The data record function records the maximum and minimum readings.
Press the REC Button once to start the Data Record function and a “REC”
symbol will appear on the display. With the “REC” symbol on the display:
1. Press the REC Button once, and a ”REC. MAX.” symbol along
with the maximum value will appear on the display. To delete the
maximum value, press the Hold Button once and the display will
show a “REC.” symbol only and execute the memory function
continuously.
2. Press the REC Button again, and a “REC. MIN.” symbol along
with the minimum value will appear on the display. To delete the
minimum value, press the Hold Button once, and the display will
show a “REC.” symbol only and execute the memory function
continuously.
3. To exit the memory record function, press the REC button for 2
seconds. The display will revert to the current reading.
Backlight ON/OFF
After powering the meter ON, the LCD Backlight will turn on automati-