Guralp CMG-40T-1 Short Period Sensor
The CMG 40T-1sec seismometer looks, on the outside, just like the CMG 40T-30sec, intermediate period seismometer. Its response, however, is tuned to short-period signals (1-100Hz). One hundred of these feedback seismometers were purchased for the Flexible Array sensor pool.
Salient Features:
- Flat response to velocity from 1 Hz to 100 Hz
- Low power
- Easy to use - No Mass lock/unlock; Masses are free to move at all times
Installation Tips:
- One-pager field sheet
- Orientation points same as other Guralp seismometers: brass pin should point north, silver-colored pin should point south
- Foot locking also the same as other Guralp seismometers
Manufacturer Documents:
- Guralp's Manual (HTML) is written more with the intermediate-period 40T in mind, but is generic enough to be somewhat useful.
Response Characteristics:
