26
MW105 & MW106 Portable Meters
Clear Calibration
1. Press CAL/EDIT to enter Calibration mode.
2. Press LOG/CLEAR (MEM/CLEAR).
ACCEPT tag is displayed blinking and “CLEAR CAL“ message is
displayed on the third LCD line.
3. Press GLP/ACCEPT to confirm.
“PLEASE WAIT“ message is displayed followed by the “NO CAL”
confirmation screen.
8.3. MEASUREMENT
Remove the probe protective cap and place the tip approximately
4 cm (1 ½”) into the sample. It is recommended to wait for the
sample and the pH probe to reach the same temperature.
If necessary, press the RANGE/
until the display changes to the
pH mode. Allow the reading to stabilize ( stability tag to turn off).
The LCD will display:
y
Measurement and temperature readings
y
Temperature compensation mode (MTC or ATC)
y
Buffers used (if option enabled in Setup)
y
MW106:
Electrode condition (if option enabled in Setup)
y
The third LCD line displays: mV offset & slope values, time and
date of measurement, battery status. Use the
keys to
scroll between them.