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Changes for page Seismometers

Last modified by robert on 2025/03/25 09:14
From version 4.5
edited by robert
on 2023/12/11 12:01
Change comment: There is no comment for this version
To version 5.1
edited by Jack Dent
on 2024/01/10 17:38
Change comment: There is no comment for this version

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1 -XWiki.robert
1 +XWiki.JackD
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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 of teleseismic earthquakes and ambient noise. However they are also well-suited for measuring high frequency energyl, 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.
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 -== Nanometrics Trillium ==
9 +== Nanometrics ==
10 10  
11 11  etc
12 12  
13 -== Sub-paragraph ==
13 +=== Trillium Compact 120s ===
14 14  
15 -etc
15 +=== Trillium Compact Posthole 120s ===
16 16  
17 -=== Sub-sub paragraph ===
17 +=== Trillium Compact 20s ===
18 18  
19 19  etc
20 20  
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23 23  
24 24  Short period (SP) sensors have limited sensitivity to longer periods, but are otherwise perfectly suitable for earthquake or other high frequency analysis. They are generally defined as any instrument that begins to **lose sensitivity at periods larger that 10 seconds**. They tend to be smaller and more mechanically robust to broadband sensors.
25 25  
26 -== Sub-paragraph ==
26 +== Lennartz Electronic LE-3D Lite (MkII) ==
27 27  
28 28  etc
29 29  
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43 43  {{toc/}}
44 44  {{/box}}
45 45  
46 -[[image:Templates.Article.Template.WebHome@image1.jpg]]
47 -//Figure 1: Trillium Compact 120s//
46 +{{box title="
47 += Trillium Compact 120 ="}}
48 +**[[image:Trillium compact120.jpg||height="231" width="219"]]**
48 48  
49 -[[image:Templates.Article.Template.WebHome@image2.jpg]]
50 -//Figure 2: Lennartz 3D_lite MKII//
50 +(% style="width:189.859px" %)
51 +|(% style="width:136.377px" %)**Model**
52 +|(% style="width:136.377px" %)(((
53 +**Size (Diameter**
54 +
55 +**x Height cm)**
56 +)))|(% style="width:1px" %)9*13
57 +|(% style="width:136.377px" %)**Weight (kg)**|(% style="width:1px" %)1.1
58 +{{/box}}
59 +
60 +{{box title="= Trillium Compact 20 ="}}
61 +[[image:Screenshot 2023-12-12 at 12-28-47 Trillium Compact Nanometrics.png||alt="TC120s"]]
62 +{{/box}}
63 +
64 +{{box title="= Trillium Compact 120[[image:Trillium compact posthole.jpg]] ="}}
65 +
66 +{{/box}}
67 +
68 +[[image:LE3Dlite.jpg||alt="LE-3Dlite"]]
69 +//Figure 2: LE-3Dlite MKII//
51 51  )))
52 52  )))
LE3Dlite.jpg
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