16
SETUP MODE
pH Calibration Buffer (pH Probe)
This meter allows the selection of two different types of pH buffers:
NIST
or
CUSTOM
. Selection of the proper buffer more accurately
calibrates the probe to specific requirements.
NIST
buffer: List of N.I.S.T. buffer recognition points.
pH 1.68, 4.01, 6.86, 9.18, 12.45
CUSTOM
buffer:
pH 1.00 to 3.00, 3.50 to 5.50, 6.00 to 8.00, 8.50 to 10.50, 11.50 to 13.50
Select Buffer
1. Press
SET
for 2 seconds to enter setup.
2. Press ▲ to select pH buffer. “BUF” appears on the middle of the LCD
and P4.0 appears on the lower portion.
3. Press
to enter P4.1. The default “CUST” will flash on the LCD
and P4.1 will appear on the lower portion of the display. If you use
CUST buffers, press
to confirm and the meter returns to P4.0.
4. If your requirement is not for CUST buffers, press ▲ to change the
status to NIST buffer.