pH measurement
26
4. Press the
keys to select "USA", "NIST", or "CUST" according to the
standard solution to be used and then press the
key to confirm selection.
To return to the measurement mode, press the
key.
• Standard solution type
Standard solution type
Description
USA
(USA specification)
Set to use the standard solution of the USA specification.
Standard solution icon
1.68
4.01
7.00
10.01
12.45
NIST
(NIST specification)
Set to use the standard solution of the NIST specification.
Standard solution icon
1.68
4.01
6.86
9.18
12.45
CUST
(
custom specification
)
Set to use the standard solution of an optional specification.
Standard solution icon
key
key
Select "USA"
and press the
key
key
key
(Ex.: "USA" is selected)