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DCS540 Optical Chopper System
Model DCS540
A chopper controller and blade set for lock-in detection. Six blades cover 1 Hz to 5 kHz, and a two-frequency blade provides separate input and output chopping for pump-probe style experiments.
Best for
Providing the modulation reference for a lock-in amplifier in weak-signal spectroscopy.
Specifications
- Frequency resolution
- 0.01 Hz
- Frequency stability
- 250 ppm/°C typical
- Frequency drift
- <1%
- Operating temperature
- 10–40 °C
- Display
- 2.4 inch 320 × 240 LCD, 6-digit frequency readout
- Input / output
- BNC, standard TTL/CMOS; input 0–5 V, high >3.6 V, low <0.4 V, min load 500 Ω
- Interface
- RS232 to USB; all functions controllable over USB
- Power
- 220 VAC ±10%, 50 Hz ±0.2 Hz, <30 W
- Dimensions
- 206 (w) × 150 (d) × 70 (h) mm
Ordering options
DCS540-01
2-slot blade, 1–99 Hz
DCS540-02
10-slot blade, 20 Hz – 1 kHz (standard)
DCS540-03
15-slot blade, 30 Hz – 1.5 kHz (standard)
DCS540-04
30-slot blade, 60 Hz – 3 kHz (standard)
DCS540-05
60-slot blade, 120 Hz – 5 kHz
DCS540-06
Two-frequency blade, in 5 slot / out 7 slot: 10–500 Hz in, 14–700 Hz out
Gallery
