-5-
ON
23456１
Automatic calibration
Automatically calibrates the electrode sensitibity by standard solutions.
()2-Points Automatic calibration :Types of standard solutions : pH 4 , 7 , 9 JIS
()()Combinations of standard solutions pH 4 , 7 or pH 7, 9
Automatic discrimination★
of Standard solution types Automatically discriminates
the types of standard solutions
Automatic discrimination★
of potential stability Automatically discriminate the
stability of electrode potential
during calibrations of standard
solutions.
Manual calibration
Select this function when you do not want fully automatic calibrations or you need the other
types of standard solution except pH 4,7,and 9.
2-Points Automatic calibrations: Types of standard solutions 2types on your choice.
But be sure that the difference shoud be over 2pH
Please r efer to "Manual calibrations procedure" at page 14 17.〜
SW No.5 , 6④
The transmission output during calibrations can be specified 3 types with the ON-OFF
combinations of Switchs No.5 and 6.
ON
23456１
a Contniuous output: Transmission output corresponds to the measured values as same as the)
normal operations. Therefore, transmission output corresponds to
standard solution values.
b Hold-Just before : Transmission output is fixed to the measured values which are at just)
before entering into calibration mode. Therefore, the transmission output
is kept being fixed during calibrations by standard solutions.
After returned to the Measuring mode, transmission output is released
and corresponds to measured value.
c Hold-Optional : Almost the same as above, except that transmission output can be fixed)
Hold-discretionary at any discretionary value at full scale.()
Setting and re-setting of discretionary values are available with front
panel keys.
Please refer to "5 . 4 Parameter Display" which explains setting and
re-setting ways.
When Continuous output is necessory Set Switch No.5 OFF, At this time, set contents of
Switch No.6 is ineffective.
When Hold output is necessory Set switch No. 5 ON.
When Hold-Just before Switch No.6 ON→
When Hold-Optional Switch No.6 OFF→
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