Filter
Top Products
24
CFA3000 MANUAL SECTION 3
INSTRUMENT DESCRIPTION
To initiate auto calibration, press on the keypad panel – the CALIBRATION LED will light. When multi
stream systems are being calibrated, only Stream 1 LED is lit.
Baseline calibration will run first for approximately 15 minutes. Fullscale calibration follows, lasting approximately
15 minutes (the actual time for calibration depends on the chemistry). When fullscale calibration is finished,
CALIBRATION LED goes out and the value is displayed on the LCD. The “ ” display signifies that a delay
is required before the next sample is displayed.
Sample analysis automatically begins after calibration. The time delay from the start of sample analysis to dis
play of results is approximately 15 minutes. This allows sufficient time for the previous solution to wash through
system, for sample and reagents to react, for analyzer to measure sample and display concentration value.
When the CALIBRATION LED and the ”000” display in a singlestream system go out, the displayed value on
the keypad panel is the actual stream value.
For a multistream system, after auto calibration, Sample Stream status LED’s will light to show sample stream
valve currently selected and sample stream concentration currently displayed. For example, for the first stream
sample, VALVE SELECTED LED is lit for that stream; dashes display on the keypad panel. When analyzer finish
es sampling one stream and moves on to the next, the display shows the previous sample stream concentration
value, and its VALVE DISPLAYED LED lights up. VALVE SELECTED LED will be lit for next valve in sequence.
Note: If for any reason a calibration is not wanted and needs to be aborted, press:
then, , then to abort the calibration. Press twice in rapid succession on initial
startup for priming of sample & reagents
3.5 Process a Grab Sample
The analyzer allows you to rapidly analyze a grab sample.
Press on the keypad panel, to introduce a grab sample into the analyzer from the holder on the overflow
sample panel.
If visible, suspended solids are present in the sample, filter it to 8 microns or less.