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Changes for page Seismometers

Last modified by robert on 2025/06/15 15:01
From version 28.1
edited by Jack Dent
on 2024/01/15 09:50
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

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Author
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1 -XWiki.JackD
1 +XWiki.robert
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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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43 43  {{toc/}}
44 44  {{/box}}
45 45  
46 -(% class="box" %)
47 -(((
48 -= 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//
49 49  
50 -= [[image:Trillium compact120.jpg]] =
51 -
52 -|**Sensitivity**|120 seconds
53 -|**Size (Diameter x Height)**|9 x 13 cm
54 -|**Weight**|1.1 kg
49 +[[image:LE3Dlite.jpg||alt="LE-3Dlite"]]
50 +//Figure 2: LE-3Dlite MKII//
55 55  )))
56 -
57 -(% class="box" %)
58 -(((
59 -= Trillium Compact PostHole 120 =
60 -
61 -= [[image:Trillium compact posthole.jpg]] =
62 -
63 -|**Sensitivity **|120 seconds
64 -|**Size (Diameter x Height)**|10 x 17 cm
65 -|**Weight**|3.1 kg
66 66  )))
67 -
68 -
69 -(% class="box" %)
70 -(((
71 -= Lennartz LE-3D-Lite MkII =
72 -
73 -= [[image:LE3Dlite.jpg||data-xwiki-image-style-alignment="~"center~""]] =
74 -
75 -|**Sensitivity **|1 second
76 -|**Size (Diameter x Height)**|10 x 10 cm
77 -|**Weight**|1.9 kg
78 -)))
79 -
80 -{{box title="
81 -= Guralp 40T =
82 -
83 -[[image:Guralp 40T.jpg]]
84 -
85 -|(% style=~"width:128px~" %) |(% style=~"width:103px~" %)
86 -|(% style=~"width:128px~" %)**Size (Diameter x Height)**|(% style=~"width:103px~" %)17 x 23cm
87 -|(% style=~"width:128px~" %)**Weight**|(% style=~"width:103px~" %)6.6 Kg"}}
88 -
89 -{{/box}}
90 -
91 -{{box title="= Guralp 3ESP =
92 -
93 -[[image:GURALP 3ESP.jpg]]
94 -
95 -|(% style=~"width:121px~" %) |(% style=~"width:110px~" %)
96 -|(% style=~"width:121px~" %)Size (Diameter x Height)|(% style=~"width:110px~" %)17 x 27cm
97 -|(% style=~"width:121px~" %)Weight|(% style=~"width:110px~" %)10.3Kg"}}
98 -
99 -{{/box}}
100 -
101 -{{box title="= Guralp 3ESPC =
102 -
103 -[[image:Guralp 3ESPC.jpg]]
104 -
105 -|(% style=~"width:122px~" %) |(% style=~"width:109px~" %)
106 -|(% style=~"width:122px~" %)**Size (Diameter x Height)**|(% style=~"width:109px~" %)18 x 28cm
107 -|(% style=~"width:122px~" %)**Weight**|(% style=~"width:109px~" %)8.2 Kg
108 -
109 - "}}
110 -
111 -{{/box}}
112 -
113 -
114 -)))
115 -)))
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