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厂商名称:Signal Recovery
商品名称:光学斩波器
商品型号:652-1/652-2
简单信息:Signal Recovery 原隶属于美国EG&G公司,现隶属于美国AMETEK集团公司,是专业生产微弱信号检测类产品的制造商。其锁相放大器、光学斩波器、BOXCAR等始终处于行业的领先水平。

652系列光斩波器已停产,请您选购其他型号。给您带来的不便,敬请谅解。

Models 652-1 and 652-2
Dual Aperture Light Chopper
The models 652-1 and 652-2 utilize a micro head. This is a single port modulator for use where space is limited. The former uses a 2-slot chopping disc and the latter an 8-slot disc to achieve a different frequency range. Micro heads can be employed as free standing modulators on a bench type surface, or can be supported on standard mounting hardware.

Models 652-1 and 652-1 Mechanical Dimensions


Model 652-1 and 65-2 Mechanical Dimensions

Model 652-1 Blade Dimensions

Model 652-1 Blade Dimensions

Model 652-2 Blade Dimensions

Model 652-2 Blade DimensionsModels 652-1 and 652-2 Specifications

Operation
Frequency
  652-1 2 slots, 30 Hz to 290 Hz
  652-2 8 slots, 60 Hz to 1100 Hz
Control
  manual Digital push-button
  external Application of 0.5 V to 10 V sine or squarewave of frequency within chopper's range to EXT SYNC BNC connector
Internal Frequency
  accuracy ±30 ppm at 25 °C
  stability ±50 ppm/ °C (range 10 °C to 30 °C)
Jitter (measured pk-pk and presented as a % of a full cycle)
652-1
  30 to 50 Hz blade only: 0.2%; blade + electronics: < 5%
  50 to 290 Hz blade only: 0.2%; blade + electronics: < 2%
652-2
  60 to 100 Hz blade only: 0.2%; blade + electronics: < 6%
  100 to 1.1 kHz blade only: 0.2%; blade + electronics: < 2.5%
Lock indication green LED when locked - can be extinguished
Settling Time <40 s nominal
Outputs
Sync Out 1 10 V pk-pk squarewave at chopping frequency
Impedance 10 kΩ. Note that although the output voltage is 10 V pk-pk, the high output impedance means that the outputs can be directly connected to the Reference Frequency input of any SIGNAL RECOVERY lock-in amplifier without causing problems.
Power Requirements 110 V AC, 50/60 Hz or 220/240 V AC, 50/60 Hz supply. State which voltage is required when ordering
Dimensions
Controller 6.6" wide x 3.1" high x 9.3" deep
(168 mm wide x 79 mm high x 236 mm deep)
Chopper head, overall, inc. base and feet 1.9" wide x 2.4" high x 1.4" deep
(48 mm wide x 62 mm high x 35 mm deep)
Options Model 653A 2 m (6'6") extension cable

 

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