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Chapter 3 Basic Operation
3.2 Settings
17
3.
Press the
or
key to change NIST, USA, and
CUST, and press the ENTER key.
The calibration value of the pH7 standard solution differs between
NIST and USA.
NIST specification: pH6.865 (at 25
°
C)
US specification: pH7.000 (at 25
°
C)
When you use NIST standard solution for calibration, make sure
to set NIST here.
▲
▼
NIST
specification
(NIST)
When using a standard solution of
interior specification
Bottle mark
US specification
(USA)
When using a standard solution of the
USA specification
Bottle mark
Customized
specification
(CUST)
When the user’s exclusive standard
solution
Bottle mark
Содержание LAQUA F-71G
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Страница 12: ...For Your Safety X JPN EN61326 1 EN61010 1 II 2...
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