Agilent Technologies 1100 Series Reference Manual page 118

4
Troubleshooting and Test Functions
Formula for the Raman ASTM S/N value (see
The result should be > 200 with FLF board revision A.
The result should be > 400 with FLF board revision B and above.
Figure 48
120
Height RamanCurrent
RamanASTM = ------------------------------------------------------------------------------------------------------------------------------ -
ASTMNoise (time 5 to 20 minutes)
Raman ASTM signal/noise calculation
Figure 48
( ) Height DarkCurrent
ñ
ASTMNoise
Height Raman
Current
average between
5 and 10 minutes
1100 Series FD Reference Manual
for details):
( )
Height Dark Current
average between
21 and 22 minutes