Broadband Seismometer Model 4011
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Very rugged, no maintenance; The Model 4011 is 3-component economical broadband seismometer well suited for rapid deployment in arrays, monitoring of structures, and for permanent installation in locations with the background noise higher than the New Low Noise Model. This easy-to-install, very rugged instrument does not require any maintenance, mass locking and centering. This model is ideal for portable applications, demanding the combination of high performance, low power consumption, compact size and low-cost. |
TECHNICAL SPECIFICATIONS
Transducer Type |
Molecular Electronic Transfer |
|---|---|
Sensitivity |
2000 V/m/sec - differential output |
Self Noise |
See Graph Below |
Clip level |
±10 mm/s |
Standard Bandwith |
30 s - 20 Hz |
Standard Bandwith |
60 s - 50 Hz |
Dynamic range |
122 dB |
Mass Lock |
NOT REQUIRED |
Mass Centering |
NOT REQUIRED |
Maximum Installation Tilt |
±15 ° |
Mechanical Resonances |
NONE |
Power Supply |
Standard 12 Vdc noml; 6-16 Vdc. |
Housing Material |
Aluminum |
Case Diameter |
180 mm |
Case Height |
140 mm |
Weight |
4.9 kg |
Operating temperature range |
-12 to + 55 °C |
CME4011
noise levels vs. USGS Low Noise Models
