15mm Beam Aperture Comparison Chart

Specifications
Units & Tolerances
Optical Apertures Supported, Two-Axis
12, 15
12, 15
MM
Maximum Recommended Load
24
20
gm*cm2 , +/-10%
 
Mechanical
Rotor Inertia
2.4
2
gm*cm2, +/-10%
Torque Constant
1.63
1.8
x105 Dyne-cm/Amp, +/-10%
 
Electrical, Drive Armature
Coil Resistance
1.1
1.4
ohms, +/-10%
Current, RMS
7.8
5.3
A, Maximum
Small Angle Step Response
0.350
0.7
ms, with balanced inertia matched load
 
Electrical, Position Detector
Linearity
99.9
99.9
%, minimum, over 40 degrees
Repeatability
8
8
Microradians, Typical

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