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C-6
Model 3321 Aerodynamic Particle Sizer
Spectrometer
The number of channels must be at least 1 (3 calibration records: lower
size, upper size, and terminator) and no more than 52 (54 calibration
records). The time values correspond to accumulator time. They must be
between 0.00 and 1024.00. The value 0,0 terminates the calibration array.
There can be up to 52 channels of particle size requiring 54 calibration
points SCA0 to SCA53. The last entry of any calibration table must be 0,0.
The calibration data is held in EEPROM and loaded into RAM on power up.
The SCA0,0 terminator also causes the calibration data to be tested for
monotonicity and if the data in the calibration table is not monotonic returns
an error message “NOTVALID.”
Examples:
To set the lower boundary of the first channel to 403 nm bin 187.63:
SCA0,403,187.63
To terminate the calibration array of 52 channels:
SCA53,0,0
To echo the current calibration:
SCA
SCL
—Set Calibration Label String
SCL lets you label a calibration with a text string (up to 80 characters).
Example:
To label the calibration done on December 25th of the APS
TM
spectrometer
with serial number 104:
SCLS/N 104 Calibrated December 25, 1997
Содержание SIZER 3321
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