Changes for page Seismometers
Last modified by santi on 2025/07/23 15:43
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... ... @@ -4,7 +4,7 @@ 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. DataLoggers.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.ANU LPR-200.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 ... ... @@ -43,32 +43,35 @@ 43 43 {{toc/}} 44 44 {{/box}} 45 45 46 +(% class="box" %) 47 +((( 48 += Trillium Compact 120 = 46 46 50 += [[image:Trillium compact120.jpg]] = 47 47 48 -{{box title="= Trillium Compact 120/20 = 52 +|**Sensitivity**|120 seconds 53 +|**Size (Diameter x Height)**|9 x 13 cm 54 +|**Weight**|1.1 kg 55 +))) 49 49 50 -= **[[image:Trillium compact120.jpg||height=~"231~" width=~"219~"]]** = 51 -|(% style=~"width:115px~" %)**Size (Diameter x Height cm)**|(% style=~"width:112px~" %)9 x 13 52 -|(% style=~"width:115px~" %)**Weight**|(% style=~"width:112px~" %)1.1 kg 53 - 54 - "}} 55 - 56 -{{/box}} 57 - 58 -{{box title="= Trillium Compact Posthole = 59 - 57 +(% class="box" %) 58 +((( 59 += Trillium Compact PostHole 120 = 60 60 = [[image:Trillium compact posthole.jpg]] = 61 -|(% style=~"width:139px~" %)**Size (Diameter x Height)**|(% style=~"width:88px~" %)10 x 17 cm 62 -|(% style=~"width:139px~" %)**Weight**|(% style=~"width:88px~" %)3.1 kg"}} 63 - 64 -{{/box}} 65 65 66 - {{box title="= Lennartz LE-3D-LiteMk2="}}67 -| (% style="width:122px" %)**Size (Diameter x Heightcm)**|(% style="width:105px"%)9*1368 -| (% style="width:122px" %)**Weight(kg)**|(% style="width:105px" %)1.169 - {{/box}}62 +|**Sensitivity **|120 seconds 63 +|**Size (Diameter x Height)**|10 x 17 cm 64 +|**Weight**|3.1 kg" 65 +))) 70 70 71 -[[image:LE3Dlite.jpg||alt="LE-3Dlite"]] 72 -//Figure 2: LE-3Dlite MKII// 67 +(% class="box" %) 68 +((( 69 += Lennartz LE-3D-Lite MkII = 70 += [[image:LE3Dlite.jpg||data-xwiki-image-style-alignment="~"center~""]] = 71 + 72 +|**Sensitivity **|1 second 73 +|**Size (Diameter x Height)**|? x ? cm 74 +|**Weight**|? kg 73 73 ))) 74 74 ))) 77 +)))