ACT Electronics 2501A +1502 Laser Doppler Velocity/Displacement/Wow flutter Measuring System
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Processing Unit MODEL-2501A
Velocity range:-800m/min to +800m/min (10 degree)
-500m/min to +500m/min (20 degree)
Display:5 digit decimal in digital display
Unit: m/min Cm/sec: is selectable
Velocity output
F/V output:-10V to +10VDC
Frequency Characteristics:DC to 5KHz
LPF:1Hz to 5KHz: possible to set any point
D/A output:-10V to +10VDC
Sampling rate:10ms/100ms
Resolution:0.1m/min
Wow flutter range :0.15 to 10% rms
(Minimum resolution 0.001% with FFT analyzer)
Measuring range:0.1, 0.3, 1.0, 3.0, 10% (all 5 ranges)
Accuracy:Within +/-5% of full scale.
Display unit:%:3 digit decimal in digital display
Frequency range:0.5Hz to 5KHz
LPF:1Hz to 5KHz: possible to set at any point.
Wow flutter output:1V for each full-range scale.

Displacement range :0.002mm to 20m
Minimum resolution : approx, 2.3um(20 degree)
Measuring range : 10mm to 20m of full scale(1-2-5 step)
Analog output :Within +/-10V of full scale
16bit D/A output
Digital output:16bit binary output
Display :6 digit decimal in digital display.

A/D Converter section

Doppler Sensor MODEL-1502
Laser Type:Semi conductor Class 3B
Wave length:780nm
Power:80mW(Internal),30mW(External)
Optical structure:Differential type
Beam intersection angle approx, 20 degree, 10 degree
Measuring distance:100mm +/-4mm optimal
Velocity range:-500m/min to +500m/min

GPIB, 426(W)x148(H)x400(D),10Kg
J-manual*2,OP1-20 beam bender(200mm),BNC cable*2,
R232C cable(f-f str),CD-ROM(WAVE Analysis),Data Sheet,
CAL(09/NOV)