20mm Beam Aperture Comparison Chart
| Specifications |
|
|
|
Units & Tolerances |
| Optical Apertures Supported, two-axis |
12,15,20 |
20, 30 |
20, 30 |
MM |
| Maximum Recommended Load |
24 |
64 |
92 |
gm*cm2 , +/-10% |
| |
| Mechanical |
| Rotor Inertia |
2.4 |
6.4 |
9.2 |
gm*cm2, +/-10% |
| Torque Constant |
16.3 |
2.54 |
6.5 |
x105 Dyne-cm/Amp, +/-10% |
| |
| Electrical, Drive Armature |
| Coil Resistance |
1.1 |
1 |
3.5 |
ohms, +/-10% |
| Current, RMS |
7.8 |
7.5 |
2.8 |
A, Maximum |
| Small Angle Step Response |
.3 |
0.9 |
3.5 |
ms, with balanced inertia matched load |
| |
| Electrical, Position Detector |
| Linearity |
99.9 |
99.9 |
99.9 |
%, minimum, over 40 degrees |
| Repeatability |
8 |
8 |
1.5 |
Microradians, Typical |
|
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