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Changes for page Seismometers

Last modified by robert on 2025/06/15 15:01
From version 30.1
edited by robert
on 2024/01/15 11:29
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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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 -|**Frequency Band**|120 seconds to 100 Hz
53 -|**Sensitivity**| 754 V/m/s
54 -|**Size (Diameter x Height)**|9 x 13 cm
55 -|**Weight**|1.1 kg
49 +[[image:LE3Dlite.jpg||alt="LE-3Dlite"]]
50 +//Figure 2: LE-3Dlite MKII//
56 56  )))
57 -
58 -(% class="box" %)
59 -(((
60 -= Trillium Compact PostHole 120 =
61 -
62 -= [[image:Trillium compact posthole.jpg]] =
63 -
64 -|**Frequency Band**|120 seconds to 100 Hz
65 -|**Sensitivity**| 754 V/m/s
66 -|**Size (Diameter x Height)**|10 x 17 cm
67 -|**Weight**|3.1 kg
68 68  )))
69 -
70 -
71 -(% class="box" %)
72 -(((
73 -= Lennartz LE-3D-Lite MkII =
74 -
75 -= [[image:LE3Dlite.jpg||data-xwiki-image-style-alignment="~"center~""]] =
76 -
77 -
78 -|**Frequency Band**|1 seconds to 100 Hz
79 -|**Sensitivity**| 400 V/m/s
80 -|**Size (Diameter x Height)**|10 x 10 cm
81 -|**Weight**|1.9 kg
82 -)))
83 -
84 -{{box title="= Guralp 40T =
85 -
86 -[[image:Guralp 40T.jpg]]
87 -
88 -
89 -|(% style=~"width:128px~" %)**Sensitivity**|(% style=~"width:103px~" %)
90 -|(% style=~"width:128px~" %)**Size (Diameter x Height)**|(% style=~"width:103px~" %)17 x 23cm
91 -|(% style=~"width:128px~" %)**Weight**|(% style=~"width:103px~" %)6.6 Kg"}}
92 -
93 -{{/box}}
94 -
95 -{{box title="= Guralp 3ESP =
96 -
97 -[[image:GURALP 3ESP.jpg]]
98 -
99 -|(% style=~"width:121px~" %)**Sensitivity**|(% style=~"width:110px~" %)
100 -|(% style=~"width:121px~" %)**Size (Diameter x Height)**|(% style=~"width:110px~" %)17 x 27cm
101 -|(% style=~"width:121px~" %)**Weight**|(% style=~"width:110px~" %)10.3Kg"}}
102 -
103 -{{/box}}
104 -
105 -{{box title="= Guralp 3ESPC =
106 -
107 -[[image:Guralp 3ESPC.jpg]]
108 -
109 -|(% style=~"width:122px~" %)**Sensitivity**|(% style=~"width:109px~" %)
110 -|(% style=~"width:122px~" %)**Size (Diameter x Height)**|(% style=~"width:109px~" %)18 x 28cm
111 -|(% style=~"width:122px~" %)**Weight**|(% style=~"width:109px~" %)8.2 Kg"}}
112 -
113 -{{/box}}
114 -
115 -
116 -)))
117 -)))
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