HM8123 Universal Counter

Key facts

  • Measurement range: DC to 3 GHz
    • Input A/B (BNC): DC to 200 MHz
    • Input C (SMA): 100 MHz to 3 GHz
  • Input impedance A/B: 50 Ω or 1 MΩ (switchable), sensitivity 25 mV 

Key facts

  • Measurement range: DC to 3 GHz
    • Input A/B (BNC): DC to 200 MHz
    • Input C (SMA): 100 MHz to 3 GHz
  • Input impedance A/B: 50 Ω or 1 MΩ (switchable), sensitivity 25 mV 
  • Input impedance C: 50 Ω, sensitivity 30 mV
  • 10-digit resolution (at 10 s gate time)
  • Nine measurement functions, external GATE and ARMING connectors (BNC)
  • External reference input/output (10 MHz) via BNC connector
  • HM8123: TCXO (temperature stability: ±0.5 x 10-6), HM8123-X: OCXO (temperature stability: ±1.0 x 10-8)
  • RS-232/USB dual interface, optionally IEEE-488 (GPIB)
  • Fanless design
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