B-8 Model 3772/3771 Condensation Particle Counter
SCC Turn coincidence correction on/off
Params: 0 => Off
1 => On
Example: SCC,1 (turns coincidence correction on)
SCCM Set the concentration correction multiplier
Only concern is multiplied, counts are not multiplied
Displayed concern in totalizer mode is not multiplied (3775,
3776 only)
Params: Multiplier => 0.5 – 2.0
Example: SCCM,0.953 (multiply concentrations by 0.953)
SCD Set calibration date, reset reminder count and last reminder
date
Params: MMDDYY, MM=01–12, DD=01–31,
YY=00–99
Example: SCD,110208 (set cal and last reminder date to
Nov. 2, 2008, reset count)
Example: SCD (returns cal date, date of last reminder, # of
reminders left)
SCCR Clear calibration reminder bit and displayed message
Returns: OK or ERROR if the flag didn’t need clearing
Params: none
Example: SCCR (clears 9
th
bit in RIE command and the
display message)
MISC ( MISC E L L A NEOUS) Com m ands
ZB Begin SMPS scan based on the ZT, ZV and ZU parameters
(except 3771)
ZE End SMPS scan (except 3771)
ZT Set the scan time in tenth second increments (except 3771)
Params: delay => 0–255 (0–25.5 seconds)
up => 10–6000 (1–600 seconds)
down => 10–6000 (1–600 seconds)
Example: ZT0,600,100
Note: This command does not need a comma
separating the first parameter from the
command
ZU Scan using up direction instead of down (except 3771)
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