Biral SWS-100-LW: SWS-200-LW, User Manual

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Section 5 Calibration Procedures
Calibration Procedures
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STEP 1. Set up the sensor with the calibration reference plaque in place - see
section 5.1 (power to the sensor need not be removed).
STEP 2. Send command CO.
Sensor replies: OK.
STEP 3. Send command: CE.
Sensor replies:
CLEAN WINDOWS,
BLOCK FWD SCAT RCVR OPTICS,
BLOCK TRANSMITTER OPTICS
BLOCK BK SCAT RCVR OPTICS (
not for the SWS-100 – LW)
INSTALL REF STD,
ENTER FWD SCAT VALUE
FORM: XXX.XX
STEP 4. Fit the grey foam plugs (supplied with the calibration kit) against all three
of the windows (only two needed for the SWS-100 – LW).
STEP 5. Enter Forward CAL value from the calibration plaque.
STEP 6. SWS-200 – LW Only
Sensor replies:
ENTER BACK SCAT VALUE
FORM: XXX.XX
Enter Backscatter CAL value from the calibration reference plaque.
STEP 7. Sensor replies:
CAL IN PROGRESS
Wait for approximately 2 minutes.
Sensor replies:
REMOVE OPTICS BLOCKS,
ENTER "OK"
STEP 8.
Remove grey foam plugs from all windows and send text: OK.
Sensor replies:
CAL CONTINUES
STEP 9. Wait for approximately 2 minutes.