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Changes for page Seismometers

Last modified by robert on 2025/06/15 15:01
From version 15.1
edited by robert
on 2024/01/10 21:13
Change comment: There is no comment for this version
To version 4.7
edited by robert
on 2023/12/12 12:34
Change comment: There is no comment for this version

Summary

Details

Page properties
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4 4  (((
5 5  = Broadband sensors =
6 6  
7 -Broadband (or BB) sensors are especially sensitive to low frequency energy, and are //broad//ly defined as any instrument capable of **reliably recording wave periods greater or equal to 10 seconds**. This makes them useful for analysis and detection of teleseismic earthquakes as well as techniques involving ambient noise. However they are also well-suited for measuring high frequency energy, limited only by the Nyquist frequency of the [[data logger>>doc:Instrumentation.ANU LPR-200.WebHome]]'s sampling rate. The downside to broadband sensors is usually their cost, size, and fragility relative to short period sensors.
7 +Broadband (or BB) sensors are especially sensitive to low frequency energy, and are //broad//ly defined as any instrument capable of **reliably recording wave periods greater or equal to 10 seconds**. This makes them useful for analysis and detection of teleseismic earthquakes as well as techniques involving ambient noise. However they are also well-suited for measuring high frequency energy, limited only by the Nyquist frequency of the [[data logger>>doc:Instrumentation.Data Loggers.WebHome]]'s sampling rate. The downside to broadband sensors is usually their cost, size, and fragility relative to short period sensors.
8 8  
9 9  == Nanometrics ==
10 10  
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39 39  
40 40  (% class="col-xs-12 col-sm-4" %)
41 41  (((
42 -
43 43  {{box title="**Contents**"}}
44 44  {{toc/}}
45 45  {{/box}}
46 46  
47 -{{box title="= Trillium Compact 120 =
46 +[[image:Screenshot 2023-12-12 at 12-28-47 Trillium Compact Nanometrics.png||alt="TC120s"]]
47 +//Figure 1: Trillium Compact 120s//
48 48  
49 -= **[[image:Trillium compact120.jpg||data-xwiki-image-style-alignment=~"center~" height=~"231~" width=~"219~"]]** =
50 -
51 -|(% style=~"width:115px~" %)**Sensitivity **|(% style=~"width:112px~" %)120 seconds
52 -|(% style=~"width:115px~" %)**Size (Diameter x Height)**|(% style=~"width:112px~" %)9 x 13 cm
53 -|(% style=~"width:115px~" %)**Weight**|(% style=~"width:112px~" %)1.1 kg
54 -
55 - "}}
56 -
57 -{{/box}}
58 -
59 -{{box title="= Trillium Compact Posthole =
60 -= [[image:Trillium compact posthole.jpg]] =
61 -|(% style=~"width:115px~" %)**Sensitivity **|(% style=~"width:112px~" %)120 seconds
62 -|(% style=~"width:139px~" %)**Size (Diameter x Height)**|(% style=~"width:88px~" %)10 x 17 cm
63 -|(% style=~"width:139px~" %)**Weight**|(% style=~"width:88px~" %)3.1 kg"}}
64 - "}}
65 -{{/box}}
66 -
67 -{{box title="= Lennartz LE-3D-Lite Mk2 =
68 -
69 -= [[image:LE3Dlite.jpg||data-xwiki-image-style-alignment=~"center~"]] =
70 -
71 -|(% style=~"width:115px~" %)**Sensitivity **|(% style=~"width:112px~" %)2? seconds
72 -|(% style=~"width:139px~" %)**Size (Diameter x Height)**|(% style=~"width:88px~" %)? x ? cm
73 -|(% style=~"width:139px~" %)**Weight**|(% style=~"width:88px~" %)? kg"}}
74 - "}}
75 -{{/box}}
76 -
49 +[[image:LE3Dlite.jpg||alt="LE-3Dlite"]]
50 +//Figure 2: LE-3Dlite MKII//
77 77  )))
78 78  )))
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