SR400
Dual Channel Gated Photon Counter

  • Two independent counting channels
  • Count rates to 200 MHz
  • 5 ns pulse-pair resolution
  • Gated and continuous modes
  • Gate scanning for time-resolved counting
  • Built-in discriminators
  • Gate and discriminator outputs
  • GPIB and RS-232 interfaces
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SR400 Front Panel

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SR400 Rear Panel