Analog Systems
- Helicorder® Model RV-301B
- Helicorder® Amplifier Model AR-320B
- Power Amplifier Model PA-200
- Compact Remote Station Model 45.50
- Seismic Amplifier Model 42.70/PF.70
- Voltage Controlled Oscillator Model 46.32
- Input/Output Module Model IO.40/IO.45
- Calibrator Model PC-120
- 19" Chassis Rack Mount Model 49.03
- Power Supply Model 48.11/48.31
- Discriminator Model 46.12
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| The Series 40 Power Supply Module mounts in the Model 49.03 Rack Mount Chassis. The 48.11C supply is designed for ac operation, while the 48.31B module is intended for applications where external ±12 V dc power is supplied by the user. The 48.31B-1 module is used for external 12 V dc or 24 V dc power applications. |
