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SRS Stanford Research Systems SR540 Optical Chopper Controller with 4 Hz to 3.7 kHz Range, 4-Digit Frequency Display and GPIB, RS-232, Ethernet Interfaces
SRS Stanford Research Systems SR540 Optical Chopper Controller with 4 Hz to 3.7 kHz Range, 4-Digit Frequency Display and GPIB, RS-232, Ethernet Interfaces
SRS Stanford Research Systems SR540 Optical Chopper Controller with 4 Hz to 3.7 kHz Range, 4-Digit Frequency Display and GPIB, RS-232, Ethernet Interfaces
SRS Stanford Research Systems SR540 Optical Chopper Controller with 4 Hz to 3.7 kHz Range, 4-Digit Frequency Display and GPIB, RS-232, Ethernet Interfaces
SRS Stanford Research Systems SR540 Optical Chopper Controller with 4 Hz to 3.7 kHz Range, 4-Digit Frequency Display and GPIB, RS-232, Ethernet Interfaces
SRS Stanford Research Systems SR540 Optical Chopper Controller with 4 Hz to 3.7 kHz Range, 4-Digit Frequency Display and GPIB, RS-232, Ethernet Interfaces
Specifications
Brand Name :
SRS
Model Number :
SRS540
Place of Origin :
USA
MOQ :
1 set
Price :
Negotiation
Payment Terms :
T/T
Supply Ability :
in stock
Product name :
Optical Chopper Controller
Chopping frequency :
4 Hz to 3.7 kHz
Frequency display :
4-digit, 1 Hz resolution and accuracy
Cable length :
6 ft.
Power :
12 W, 100/120/220/240 VAC, 50/60 Hz
Interfaces :
GPIB, RS-232 and Ethernet
Description
SRS Stanford Research Systems Model SRS540 Optical Chopper Controller 4 Hz to 3.7 kHz
Product Overview

The SR540 Optical Chopper Controller handles all your optical chopping requirements—from simple measurements to dual-beam and intermodulation experiments. Featuring a 4-digit frequency display, front-panel frequency control, analog voltage frequency control, and two reference outputs with selectable operating modes.

Key Features
  • Frequency range: 4 Hz to 3.7 kHz
  • 4-digit frequency display with 1 Hz resolution and accuracy
  • Front-panel frequency control with 10-turn potentiometer
  • Analog voltage frequency control (0-10 VDC)
  • Two reference outputs with multiple operating modes
  • Includes two anodized aluminum blades: 5/6 slot and 25/30 slot
Applications
Single-Beam Experiment

A single optical beam is chopped by either row of slots, with the corresponding reference output used to lock the lock-in amplifier to the chop frequency.

Dual-Beam Experiment

Output from a single source is split and chopped at two different frequencies. One beam passes through the experiment while the other serves as a reference beam, with signals detected at different frequencies for improved measurement accuracy.

Technical Specifications
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 (typical)
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
Reference Modes ƒinner, ƒouter, 5 × ƒouter, ƒinner + ƒouter, ƒouter - ƒinner
Dimensions Controller: 7.7" × 1.8" × 5.1" (WHL)
Chopper head: 2.8" × 2.1" × 1.0" (WHL)
Blade Diameter 4.04" ±0.002"
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
Ordering Information
  • SR540 - Optical chopper
  • O5402530 - 25/30 dual-slot replacement blade
  • O54056 - 5/6 dual-slot replacement blade
  • O5405 - 5-slot replacement blade
  • O54030 - 30-slot replacement blade
  • O540RCH - Replacement chopper head
Frequently Asked Questions
Can you ship orders to Canada or Australia?
Yes, we ship orders worldwide.
What delivery methods do you use and what is the delivery time?
We ship by EMS, DHL, FedEx, UPS, TNT with tracking numbers. Usual delivery time is 4-7 workdays.
What is your payment term?
100% T/T payment before shipment.
How can I ask any other questions?
You can contact us online or leave us messages below.
SRS Stanford Research Systems SR540 Optical Chopper Controller with 4 Hz to 3.7 kHz Range, 4-Digit Frequency Display and GPIB, RS-232, Ethernet Interfaces SRS Stanford Research Systems SR540 Optical Chopper Controller with 4 Hz to 3.7 kHz Range, 4-Digit Frequency Display and GPIB, RS-232, Ethernet Interfaces SRS Stanford Research Systems SR540 Optical Chopper Controller with 4 Hz to 3.7 kHz Range, 4-Digit Frequency Display and GPIB, RS-232, Ethernet Interfaces
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SRS Stanford Research Systems SR540 Optical Chopper Controller with 4 Hz to 3.7 kHz Range, 4-Digit Frequency Display and GPIB, RS-232, Ethernet Interfaces

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Product Detail
Brand Name :
SRS
Model Number :
SRS540
Place of Origin :
USA
MOQ :
1 set
Price :
Negotiation
Payment Terms :
T/T
Contact Supplier
SRS Stanford Research Systems SR540 Optical Chopper Controller with 4 Hz to 3.7 kHz Range, 4-Digit Frequency Display and GPIB, RS-232, Ethernet Interfaces
SRS Stanford Research Systems SR540 Optical Chopper Controller with 4 Hz to 3.7 kHz Range, 4-Digit Frequency Display and GPIB, RS-232, Ethernet Interfaces
SRS Stanford Research Systems SR540 Optical Chopper Controller with 4 Hz to 3.7 kHz Range, 4-Digit Frequency Display and GPIB, RS-232, Ethernet Interfaces

Shenzhen Meigaolan Electronic Instrument Co. Ltd

Verified Supplier
4 Years
shenzhen
Since 2003
Business Type :
Distributor/Wholesaler
Main Products :
RF Spectrum Analyzer, Signal Spectrum Analyzer, Optical Spectrum Analyzer
Total Annual :
500000-1000000
Employee Number :
>100
Certification Level :
Verified Supplier
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