仪器对比
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SR540 Optical Chopper
光学斩波器
4 Hz to 3.7 kHz Chopping Frequencies
Low Phase Jitter
Single and Dual Beam Experiments
Sum & difference Reference Outputs
Bolt Clamp or Rod Mounting
SR540 Optical Chopper
Chop frequency
4 Hz to 400 Hz (5/6 slot blade)
400 Hz to 3.7 kHz (25/30 slot blade)
Frequency stability
250 ppm/°C (typ.)
Frequency drift
<2 %, 100 Hz < f < 3700 Hz
Phase jitter (rms)
0.2° (50 Hz to 400 Hz)
0.5° (400 Hz to 3.7 kHz)
Frequency display
4-digit, 1 Hz resolution and accuracy
Frequency control
10-turn pot with 3 ranges:
4 Hz to 40 Hz
40 Hz to 400 Hz
400 Hz to 3.7 kHz
Input control voltage
0 to 10 VDC for 0 to 100% of full scale. Control voltage overrides frequency dial.
Reference modes
?inner, ?outer, 5 × ?outer, ?inner + ?outer, ?outer - ?inner
Dimensions
Controller: 7.7" × 1.8" × 5.1" (WHL)
Chopper head: 2.8" × 2.1" × 1.0" (WHL)
Blade diameter
4.04" ±0.002"
Cable length
6 ft.
Power
12 W, 100/120/220/240 VAC, 50/60 Hz
Warranty
One year parts and labor on defects in materials and workmanship, 90 days on motor.
Power
10 W, 100/120/220/240 VAC, 50/60 Hz
Warranty
One year parts and labor on defects in materials and workmanship
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