HP 5890 Series II, Reference Manual

Page: 74 / 244

Signal Output
Signal attenuation
74
For analytical information from a detector, proper settings for
RANGE 2
!
( )
and
ATTN 2
!
( )
are determined such that peaks of interest are on scale
at the integrator or chart recorder: peaks of interest must neither flat
top by exceeding the allowed maximum output level, nor be too small to
be measured. Table 5•3lists maximum detector output pro1 volt
at the
+1V output for each
RANGE 2
!
( )
setpoint value.
FID & NPD (pA)
TCD
(mV, High Gain)
TCD
(mV, Low Gain) ECD (kHz)
Maximum Detector Signal
Pro1 V Output
0 1.0
}
10
3
25 800 10
1 2.0
}
10
3
50
C
20
2 4.0
}
10
3
C C
40
3 8.0
}
10
3
C C
80
4 1.6
}
10
4
C C
160
5 3.2
}
10
4
C C
320
6 6.4
}
10
4
C C C
7 1.3
}
10
5
C C C
8 2.6
}
10
5
C C C
9 5.1
}
10
5
C C C
10 1.0
}
10
6
C C C
11 2.0
}
10
6
C C C
12 4.1
}
10
6
C C C
13 8.2
}
10
6
C C C
RANGE 2
!
( )
Table 5-3. Detector Output Producing a 1 V Signal