Thermo orion 410Aplus, Instruction Manual

Page: 17 / 129

Benchtop pH/ISE Meter Instruction Manual
Calibration and Measurement of pH 16
Temperature Compensation
pH measurements on the Model 410Aplus are made with Automatic
Temperature Compensation. pH measurements on the Models 420Aplus,
520Aplus, 525Aplus, 710Aplus, 720Aplus, and 920Aplus may be made
with either Automatic or Manual Temperature Compensation.
For Automatic Temperature Compensation, an ATC probe must be used.
Plug in the ATC probe and the meter will display temperature corrected pH
results in the main display.
For Manual Temperature Compensation with Models 520Aplus,
525Aplus, 720Aplus, and 920Aplus disconnect the temperature probe.
Temperature values can be entered manually by pressing set temp.
Temperature corrected pH values, based on the manually entered
temperature, will be displayed in the main field.
For Manual Temperature Compensation with Models 420Aplus and
710Aplus disconnect the temperature probe. Temperature values can be
entered manually by pressing or while in measure mode. The value
will be displayed in the lower field. Temperature corrected pH values based
on the manually entered temperature will be displayed in the main field.
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