Accumet XL 20, User Manual, Page: 77 / 199

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DO Setup:
Select Measurement Units / Select Calibration Mode
XL40 and 60 meters
Select Measurement Units
This setup option allows you to select the units of measurement for DO. Choose between %
Saturation, mg/L or mbar.
To select Measurement Units
1. Touch % Sat, mg/L or mbar to choose the units of measurement.
Select Calibration Mode
This option allows you to select Automatic standard recognition or manual standard recognition
when standardizing. With the automatic standard recognition activated, the meter will
automatically recognize the standard from the preset group depending upon the measurement
unit selected (see below) and accept them when the meter recognizes the reading as stable.
When in the Manual standard recognition mode, you must enter the standard value during the
standardization procedure. The meter will accept the manually entered standard once the
measurement is stable.
This option also allows you to choose one point or two point standardization.
To select Standard Recognition
1. Touch Auto or Manua l to choose the method of standard recognition.
To select Standardization Points
1. Touch Single Point or Multi Point to choose the method of standardization.
% Saturation Calibration Mode Options
• Auto calibration and one point (100% saturation)
• Auto calibration and two point (0 and 100% saturation)
• Manual calibration and one point
mg/L Calibration Mode Options
• Auto calibration and one point (8.26 mg/L)
• Manual calibration and one point
There are no calibration options for mbar.
NOTE: In OUR and SOUR setup modes, the measurement unit cannot be changed.