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Cambridge technology 6650 optical scanner
Cambridge Technology 6650 Optical Scanner
Model 6650 Moving Coil Closed Loop Galvanometer Based Optical Scanner with Capacitive Position Detector
Supports 20 mm and 30 mm apertures
All Position Detector specifications apply with Cambridge Technology servo driver after a 30 second warm-up. All angles are in mechanical degrees. Consult manual for complete operating instruction
Rotor Inertia: 9.0 gm*cm2, +/-10%
Torque Constant: 0.65X106dyne-cm/amp, +/-10%
Maximum Coil Temperature: 150 C
Thermal Resistance (Coil to Case): 2.8 C/Watt, Max
Electrical Specifications/Drive Mechanism
Coil Resistance: 3.5 Ohms, +/-10%
Coil Inductance: 800uH, +/-10%
Back EMF Voltage: 1.15mV/degree/sec, +/-10%
RMS Current: 2.8 Amperes at Tcase of 50 C, Max
Small Angle Step Response Time: 3.5ms, with balanced inertia matched load
Linearity: 99.9%, Minimum, over 40 degrees
Scale Drift: 50PPM/ C, Maximum
Zero Drift: 10 microradians/ C, Maximum
Repeatability, Short Term: 1.5 microradians
Output Signal, Common Mode: 1600 microamperes with AGC voltage of 10VDC, +/-20%
Output Signal, Differential Mode: 45 A/degree, at common mode current of 1600 A, +/-20%
