BWB XP - Accessories and Interfaces; Chart Recorder and 4-20 mA Output

Accessories & Interfaces
Chart recorder / 4-20mA output
A chart recorder may be connected to the instrument via the rear
panel 4mm analogue output sockets (red and black).
A maximum analogue output of 2.5V will correspond to a user
selected maximum concentration value.
The chart recorder can only monitor a single, user selected, ion.
Configuration
Select the Set Up menu from either the Welcome menu (option 3)
or the Main menu (option 4). Select option 2 Interfaces and option
2 Setup Chart.
1>Config 5 Maint
2 Interfaces
3 Ions
4 Test Hardware
1>LCD Contrast: 40
2 Setup Chart
3 AFHS (OFF)
4 Printer (OFF)
The following display will be shown:
1>Ion: OFF
2 Max: 1000 ppm
(In this example Li is shown as having a valid single point calibration,
Ca as having a multi-point calibration).
Select the ion which is to be monitored by the Chart Recorder.
The display will revert back to the previous menu.
Select option 2 Max
Select option 1 Ion.
1 Na None 5 Ba None
2>K None
3 Li. ppm
4 Ca: ppm 8 Off
Chart Max
Enter Concentration
(ppm):
Enter the concentration value which is to correspond to the
maximum analogue output (i.e. 2.5V) using the numeric keys and
press accept. The unit will allow you to enter up to 5 digits, or 4 digits
and a decimal point. If you make a mistake stop will delete the last
digit entry.
Press back/STOP 3 times to return to the Welcome or Main menu.
NOTE: The Chart Recorder configuration procedure is the same for
the 4-20mA output option if this was specified at time of purchase or
since upgraded.
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