BRUEL & KJAER 2010 Instructions And Applications page 54

Heterodyne analyzer
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EFFECTIVE AVERAGING TIME Automatically selected averaging time (sec.)
selected
0.1 sec
30
10
3
1
0.3
0.1
0.3 sec
100
30
10
3
1
0.3
1
sec
100
100
30
10
3
1
3
sec
100
100
100
30
10
3
10
sec
100
100
100
100
30
10
30
sec
100
100
100
100
100
30
100
sec
100
100
100
100
100
100
Switch-over Frequency Hz
(x1, log scale)
63
200
630
2K
6.3K
Switch-over frequencies x0.1, x 1, and x 10 according to range.
Table 5.2. Selected
EFFECTIVE
AVERAGING
TIME
with
B
&
T
PROGRAM selector in position
"T.
Var. 2". Bandwidth, B, is as
selected on the SELECTIVITY CONTROL
SELECTIVITY CONTROL position
Automatically selected bandwidth (Hz)
1000
Hz
31.6
100
316
1000
316
Hz
10
31.6
100
316
100
Hz
3.16
10
31 .6
100
31.6 Hz
3.16
3.16
10
31.6
10
Hz
3.16
3.16
3.16
10
3.16 Hz
3.16
3.16
3.16
3.16
EFFECTIVE AVERAGING TIME
Automatically selected averaging time
selected
(sec.)
0.1 sec
3
1
0.3
0.1
0.3 sec
10
3
1
0.3
1
sec
30
10
3
1
3
sec
100
30
10
3
10
sec
100
100
30
10
30
sec
100
100
100
30
100
sec
100
100
100
100
Switch-over frequency Hz
(x1, log scale)
63
630
6.3K
Switch-over frequencies x0.1, x1, x1 0 according to range.
Table 5.3. Selected EFFECTIVE AVERAGING TIME and BANDWIDTH
with B & T PROGRAM selector in position "B & T Var. 3"
52

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