Stanford Research

Stanford Research SR540

3.7KH Chopper
4 Hz to 3.7 kHz Frequency Range
Crystal-controlled, phase-locked loop (PLL) Speed Control
0.005% (crystal controlled) Frequency Accuracy
30 slots per disk Number of Slots
TTL frequency reference output synchronized to chopper Output Signal
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Attribute Value
Frequency Range 4 Hz to 3.7 kHz
Speed Control Crystal-controlled, phase-locked loop (PLL)
Frequency Accuracy 0.005% (crystal controlled)
Number of Slots 30 slots per disk
Output Signal TTL frequency reference output synchronized to chopper
Motor Type DC servo motor
Aperture 3 mm standard aperture
Power Requirements 100/120/220/240 VAC, 50/60 Hz, 18 W
Dimensions 13 cm x 13 cm x 10 cm (W x H x D)
Weight 1.5 kg
Stanford Research SR540 Options:
  • SR540 - O5402530 - 25/30 dual-slot replacement blade
  • SR540 - O54056 - 5/6 dual-slot replacement blade
  • SR540 - O5405 - 5-slot replacement blade
  • SR540 - O54030 - 30-slot replacement blade
  • SR540 - O540RCH - Replacement chopper head
Calibration Form Stanford Research SR540

Repair Form Stanford Research SR540
Maximum file size: 40MB

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ModelSR540
The Stanford Research SR540 chopper will handle all your Optical chopping requirements from simple Measurements to Dual-beam and intermodulation experiments.
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