Calibrator Model PC-120  

Analog Systems
  • Programmable current (1-100 mA) , pulse duration (1-72 seconds) and calibration interval (1-72 hours)
  • Crystal controlled reference frequency
  • Designed for the Compact Remote Station Model 45.50
The Model PC-120 Pulse Calibrator is an automatic current pulse generator designed to provide precise current pulses to a seismometer calibration coil. Calibration coil current and time reset can be adjusted by jumper settings. The Model PC-120 is designed to fit in the Model 45.50 Compact Remote Station.