Aquametrix 2200C Conductivity Controller User Manual - Manual (Page 20)

0-20 uS 0.05
0-50 uS 0.05
0-100 uS 0.05
0-200 uS 0.5
0-500 uS 0.5
0-1000 uS 0.5
0-2000 uS 1.0
0-5000 uS 1.0
Range mS Required Cell Constant
0-10 mS 10
0-20 mS 10
0-50 mS 10
0-100 mS 20
0-500 mS 50
0-1000 mS 50
7.3.2 To change the range of your instrument to any range shown above proceed as
described below. (Note that changing the range may require a change of
conductivity cell.)
a) Enter the Utility Menu as described in 7.2.1.
b) Press CALL until the RANGE LED illuminates, which is “Range Change” in the
Utility Menu. See table in 7.2.2.
c) The display will now show the range as currently configured. Use the arrow
buttons until the display shows the desired range. Press ENTER. The display
will flash until ENTER is pressed again to confirm entry.
d) Return to the Operation Menu and press CALL until the CELL CONSTANT LED
illuminates. The display will show the cell constant required by the new range.
You can also check the new range by calling RANGE. If the required cell
constant is other than the one used with the previous range it will be necessary
to purchase a cell with the correct constant.
e) Recalibrate. Refer to Section 5.2.
f) Press RUN to return to on line or press CALL to proceed to another item in the
Utility Menu.
7.4 Temperature Output
7.4.1 The 0-5 Vdc and 0-1 mA outputs may be programmed to track the temperature of
the process. The factory outputs have a linear range corresponding to 0°C to
100°C, (or 32°F to 212°F.) Suppose you wish the output to span 10°C to 45°C.
Proceed as follows:
a) Enter the Utility Menu as described in 7.2.1.