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Specifications continued
BFO SECTION
Frequency Range:
2 Hz to 200kHz (Identical to analyzer)
Accuracy of Output Frequency:
see frequency read-out section
Amplifier Linearity:
±
0,2 dB (2Hz to 200kHz)
Output Voltage:
Attenuator Output: 1 OOpV to 1 OV vari-
able continuously and in 1 0 dB steps
.
Output Impedance is 600 0 in all attenu-
ator positions
.
Accuracy of steps
±
0,1 dB
relative to 1 0 V position
Direct Output: 0 to 1 0 V continously ad-
FREQUENCY READ-OUT
Frequency Counter:
Six Digits
Accuracy:
±
1 on 1ast digit + 20 ppm of
tuning requency
Counting Time: 0,1 s (five digits) and 1 s
Frequency Scale:
Lin, and Log scales
External Frequency Control:
Sensitivity of VCO with external voltage
:
Full scale
sweep:
0 to 1 0 V DC
Lin scale
x
0,1: 0,2 kHz/V
Lin scale
x
1:
2 kHz/V
Lin scale x 10: 20 kHz/V
Log scale: 0,3
decade/
V corresponding
to 1 octave/V
GENERAL
Operating Temperature:
10° to 40°C (50° to 1
04°
F)
Power Supply:
100,
115,
127,
150,
220,
240V
(±
1 0%) 50 to 400Hz, 50 VA
Cabinet:
Supplied as model A (light-weight metal
cabinet), B (model A in mahogany
cab-
inet)
or C (as A but with flanges for
standard 1
9"
racks)
Dimensions (A model):
Height: 480 mm ( 1 9 in)
Width: 380 mm ( 1 5 in)
Depth: 200 mm (8
in)
Weight:
21 kg (46, 7 lbs)
justable. Output impedance 50
Max. Output Power: 0,75W at 1400
load
Distortion:
<
0,015% (20Hz to 50 kHz)
<
0,03% (20Hz to 100kHz)
Noise:
<
-70dB
Hum:
<
-80dB
Compressor Circuit:
Range of Regulation: 60 dB (compres-
Sensitivity of VCO with external mechani-
cal
drive:
Full scale sweep:
30 rotations with
sweep drive gear in 1: 1
300 rotations with sweep drive gear in
1:10
Frequency
Accuracy:
0,3%
of
scale
range (Lin scale)
3% of reading
+
25 ppm of scale range
(log scale)
Linearity of Voltage to Frequency con-
version: 0,03% of scale range (Lin scale)
Frequency Increment Range:
Linear scale:
±
1% of scale range
Logarithmic:
±
7% of scale reading or
0,1 octave
Accessories Included:
2
coaxial cables AO 0013
1
control cable (2305) AQ 0027 or
1
control cable (2307) AQ 0035*
2
coaxial plugs JP 0101
1
7-pin plug JP 0703
1
8-pin plug JP 0802
1
voltage and dB scale (fitted on deliv-
ery) SA 0051
1
dB scale SA 0052
1
log scale SA 0053
1
P.S.D
.
scale SA 0055
1
scale for
1"
microphone SA 0056
1
scale for
1/
2" microphone SA 0057
1
scale for acceleration measurement
SA 0058 (6 to 17
mV/
g)
1
Log
/
Lin dB scale SA 0059
1
uncalibrated scale (0 to 1 00)
SA 0087
1
flexible shaft UB 0041
sor voltage within 1 dB)
Frequency Response:
±
0,3 dB (2Hz to
200kHz)
Compressor Input Voltage: min
.
0,5 V
Compressor Speed: 3, 1 0, 30, 1 00,
300, 1000
dB/
s
Reference Voltage:
When the knob "BFO REF. Signal" is
pressed the frequency of the BFO output
signal is changed to 100Hz in the x 0, 1
range, to 1 kHz in the x 1 range and to
10kHz in the x 10 range
.
The output vol-
tage having the value set by the output
attenuator and output voltage knobs
Frequency Marker:
Output for event marker on recorder for
exact chart calibration
Frequency Stability:
Measured over 8 hours after 1 hour
warm-up
Scale
Lin
Log
Scale
Lin
Log
Low end of scale
2Hz
20Hz
0
,
15Hz
1,5Hz
0,15Hz
1,5Hz
High end of scale
2kHz
20kHz
1 Hz
10Hz
4Hz
40Hz
1
power cord
Various lamps and fuses
Additional Scales Available:
200Hz
15Hz
15Hz
200kHz
100Hz
400Hz
SA 0054: Absorption Coefficient scale
SA
0060:
0
,
8 to 2,6 mV per
N/
m
2
mi-
crophone scale
SA
0083:
0,28 to 1,6 mV per
N/
m
2
mi-
crophone scale
SA
0084:
dB
/
dBm scale
SA
0142:
1,7 to
6mV/
g accelerometer
scale
SA 0143: 17 to 60
mV/
g accelerometer
scale
SA
0144:
60 to 170
mV/
g accelerome-
ter scale
SA
0198:
Sound Measurement with Hy-
drophone Type 8101
Scales can be custom made to order
*)
Specify Level Recorder Type 2305 or
Type 2307 when ordering
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