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Concentration Mode
This mode is selected by moving the cursor to the CONC menu option using the LEFT or RIGHT arrow
keys. The primary display will show the concentration, with ppm, mgl
-1
, gl
-1
, M, % or blank units. The
wavelength can be adjusted using the UP and DOWN arrow keys.
Pressing the CAL key places the 6300 in a concentration cal mode (indicated by the cal annunciator)
which allows the UP and DOWN arrow keys to be used to change the displayed concentration to the
required value (the wavelength adjust annunciator is extinguished, and the primary adjust annunciator is
illuminated). Pressing the CAL or RETURN key calibrates the concentration to the set value by calculating
a multiplication factor for the current absorbance. If the factor calculated is out of range, then the instrument
will display Err 3 for 2 seconds after the calibration.
The factor can be displayed on the secondary display by moving the cursor beneath the FACTOR menu
option. With the factor displayed, the UP and DOWN arrow keys allow the factor to be set directly.
Pressing the RETURN or CAL key returns to concentration plus wavelength mode.
The concentration units can be set by selecting the UNITS menu option and then scrolled through by using
the UP and DOWN arrow keys (the wavelength adjust annunciator is extinguished, and the adjust annun-
ciator is illuminated, both primary and secondary display will show ---). Pressing the RETURN or CAL
key returns to concentration plus wavelength mode.
6300/REV B/12-96