Abworks inc, Sc-121 specifications – Atec Labworks-SC-121 User Manual
Page 4
1
Internal switch selectable range.
2
Sweep can start at any frequency within the programmed range, in either direction.
3
The sweep cycle counter increments at each low frequency end point transition during continuous sweep mode and terminates the
test when it increments from -1 to 0.
Outputs
Servo voltage @ impedance:
0 to 2.5 Vrms @ 50 ý
Servo sine distortion (1.0 V out): < .3% THD, 3rd harmonic:
< -50 dB typical
Constant sine voltage
@ impedance:
1.2 Vrms @ 10 Ký
Normalized acceleration:
10 mV/g @ 50 ý
(both channels)
Data:
Acceleration:
Log ch 1,2 & avg.:
2 Vdc / decade
Difference, linear:
1.0 Vdc ± .01 Vdc / %
difference
Impedance:
50 ý
Frequency:
Log:
2 Vdc / decade
Impedance:
50 ý
Sweep/Pen lift logic:
TTL, low during sweep
Inputs
Reset, external:
TTL low or contact closure to ground
Shut down interlock:
TTL low or contact closure to ground
Program
Levels per program:
2 to 4 (2 displacement, 2 acceleration)
Program memory:
Non-volatile:
3 programs
Active:
1 program
Physical/environmental
Power:
110 ± 15 Vac or 220 ± 30 Vac, 50 / 60 Hz
Dimensions:
19 in. W x 12 in. D x 3.5 in. H
Weight:
5 lbs
Temperature:
Operating:
± 60 to + 100° F
Storage:
± 40 to + 130° F
Humidity:
5 to 90% RH
abworks Inc.
L
2950 airway ave.
a-16, costa mesa, ca 92626 (714) 549-1981
Frequency Generator
Range @ Resolution:
2. to 6553 Hz @ 0.1 Hz
or 4 to 10,000 Hz @ 0.2 Hz
1
Accuracy:
± .004%
Temp. stability:
± 100 ppm/°C
Display:
4 digit LED
Feedback Analysis
Acceleration:
Range:
0 to 99.9 g pk
Accuracy:
0.2 dB ± 1 LSD / 5-7000
1.0 dB ± 1 LSD / 2-10,000
Display:
3 digit LED
Displacement:
Range:
0 to 2.50 in. pk-pk
or 0 to 50.0 mm pk-pk
1
Accuracy:
0.2 dB ± 1 LSD / 5-7000
1.0 dB ± 1 LSD / 2-10,000
Display:
3 digit LED
Input channels / connector: 2 / BNC
Calibrated inputs:
10 or 100 mV/g
Variable inputs:
10 or 100 mV/g ± 20%
Accelerometer bias:
3 mA nom. (on-off)
Sweep, Logarithmic
Modes:
Manual, continuous or single sweep
2
Rate:
0.5 to 8 octaves / min.
Sweep speed resolution: 0.5 octaves / min.
Sweep cycle counter:
-999 to 9999 sweep cycles
3
Control Servo
Dynamic range:
70 dB min.
Control accuracy:
0.25 dB typical
Speed:
3 ranges, microprocessor optimized,
frequency dependent.
Open loop monitor:
Adjustable, gain sensitive
Output level monitor:
10 segment bar graph
SC-121 SPECIFICATIONS