ISE
29
Clear Calibration
1. Press CAL to enter Calibration mode.
2. Press LOG/CLR. “CLr CAL” is displayed shortly, then the instrument returns to
Measurement mode.
10.3. MEASUREMENT
If necessary, press RANGE until the display changes to ISE measurement range.
Remove the probe protective cap and immerse the tip of the probe 4 cm (1 ½”) into the
sample. Allow the reading to stabilize (blinking WAIT tag disappears).
The instrument displays the ppm reading in the first LCD line and the temperature in the
second LCD line.
10.4. WARNINGS & MESSAGES
y
“WRONG BUFFER WRONG PROBE” message is displayed blinking during calibration
when the new slope is out of the slope window.
Check if correct standard solution has been used. Refresh the probe following the
description in ELECTRODE CARE & MAINTENANCE section.
If necessary, change the standard solution or the probe.
y
When the measured value is out of range, the closest full-scale value is displayed
blinking in the first LCD line.
Recalibrate the meter.
Check the sample is within measurable range.
