3mm Beam Aperture Comparison Chart
| Specifications |
|
|
|
|
Units & Tolerances |
| Optical Apertures Supported, Two-Axis |
3, 4, 6 |
3, 4, 6 |
3, 4, 6 |
3 |
mm |
| |
| Mechanical |
| Rotor Inertia |
0.013 |
0.018 |
0.028 |
0.018 |
gm*cm2, +/-10% |
| Torque Constant |
1.20 |
2.79 |
3.78 |
2.5 |
x104 Dyne-cm/Amp, +/-10% |
| |
| Electrical, Drive Armature |
| Coil Resistance |
2.14 |
3.72 |
2.53 |
4.2 |
ohms, +/-10% |
| Current, RMS |
2.3 |
2.4 |
4.1 |
1.6 |
A, Maximum |
| Small Angle Step Response |
0.130 |
0.100 |
0.130 |
0.300 |
ms, with balanced inertia matched load |
| |
| Electrical, Position Detector |
| Linearity |
99.9 |
99.9 |
99.9 |
98 |
%, minimum, over 40 degrees |
| Repeatability |
8 |
8 |
8 |
20 |
Microradians, Maximum |
|
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