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Changes for page Seismometers

Last modified by santi on 2025/07/23 15:43
From version 46.1
edited by santi
on 2025/07/23 11:00
Change comment: There is no comment for this version
To version 40.1
edited by robert
on 2025/03/25 09:14
Change comment: There is no comment for this version

Summary

Details

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Author
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1 -XWiki.santi
1 +XWiki.robert
Content
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14 14  
15 15  The Trillium Compact 120 has sensitivity band between 120 seconds and 100 Hz but is prone to corrosion when buried for long periods. They have a tilt tolerance of ~~10° but come with adjustable feet for leveling.
16 16  
17 - For more information, refer to the [[Nanometrics Trillium Compact information sheet>>https://nanometrics.ca/hubfs/Downloads/Data%20Sheets/trillium_compact.pdf?hsLang=en-ca]]
17 + For more information, refer to the Nanometrics instrument information sheet: [[https:~~/~~/nanometrics.ca/hubfs/Downloads/Data%20Sheets/trillium_compact.pdf?hsLang=en-ca>>https://nanometrics.ca/hubfs/Downloads/Data%20Sheets/trillium_compact.pdf?hsLang=en-ca]]
18 18  
19 19  === Trillium Compact 20 ===
20 20  
21 -The Trillium Compact 20 looks identical to the Trillium Compact 120 and has a recording range between 20 seconds and 100 Hz. but is prone to corrosion when buried for long periods. They have a tilt tolerance of ~~10° but come with adjustable feet for leveling.
21 +The Trillium compact has a recording range between 20 seconds and 100 Hz. but is prone to corrosion when buried for long periods. They have a tilt tolerance of ~~10° but come with adjustable feet for leveling.
22 22  
23 -For more information, refer to the [[Nanometrics Trillium Compact information sheet>>https://nanometrics.ca/hubfs/Downloads/Data%20Sheets/trillium_compact.pdf?hsLang=en-ca]]
23 +For more information, refer to the Nanometrics instrument information sheet: [[https:~~/~~/nanometrics.ca/hubfs/Downloads/Data%20Sheets/trillium_compact.pdf?hsLang=en-ca>>https://nanometrics.ca/hubfs/Downloads/Data%20Sheets/trillium_compact.pdf?hsLang=en-ca]]
24 24  
25 25  (% style="color:inherit; font-family:inherit; font-size:max(18px, min(20px, 14.4444px + 0.462963vw))" %)Trillium Compact Posthole
26 26  
27 27  The Trillium Compact Posthole is designed with a robust casing allowing it to be deployed via direct-burial without a vault or protective case. It does NOT have leveling feet nor a bubble (**bring your own!**), nor can its mass be rebalanced. The cable is also quite a bit more stiff so may require burial at an increased depth. If installed inside a vault, the cable may also unbalance the sensor if left by itself. The instrument response is identical to a Trillium Compact 120.
28 28  
29 -For more information, refer to the [[Nanometrics Trillium Compact PH information sheet>>https://nanometrics.ca/hubfs/Downloads/Data%20Sheets/trillium_compact_ph.pdf?hsLang=en-ca]]
29 +For more information, refer to the Nanometrics instrument information sheet:  [[https:~~/~~/nanometrics.ca/hubfs/Downloads/Data%20Sheets/trillium_compact_ph.pdf?hsLang=en-ca>>https://nanometrics.ca/hubfs/Downloads/Data%20Sheets/trillium_compact_ph.pdf?hsLang=en-ca]]
30 30  
31 31  === Trillium Compact Horizon ===
32 32  
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51 51  
52 52  = Channel and Instrument conventions =
53 53  
54 -We follow FDSN guidelines for sensor channel and type naming conventions, outlined at [[SAGE / IRIS>>https://ds.iris.edu/ds/nodes/dmc/data/formats/seed-channel-naming/]] and also copied below:
55 -
56 -|=Band code|=Band type|=Sample rate (Hz)|=Corner period (sec)
57 -|F|…|≥ 1000 to < 5000|≥ 10 sec
58 -|G|…|≥ 1000 to < 5000|< 10 sec
59 -|D|…|≥ 250 to < 1000|< 10 sec
60 -|C|…|≥ 250 to < 1000|≥ 10 sec
61 -|E|Extremely Short Period|≥ 80 to < 250|< 10 sec
62 -|S|Short Period|≥ 10 to < 80|< 10 sec
63 -|H|High Broad Band|≥ 80 to < 250|≥ 10 sec
64 -|B|Broad Band|≥ 10 to < 80|≥ 10 sec
65 -|M|Mid Period|> 1 to < 10|
66 -|L|Long Period|≈ 1|
67 -|V|Very Long Period|≈ 0.1|
68 -|U|Ultra Long Period|≈ 0.01|
69 -|R|Extremely Long Period|≥ 0.0001 to < 0.001|
70 -|P|On the order of 0.1 to 1 day ^^1^^|≥ 0.00001 to < 0.0001|
71 -|T|On the order of 1 to 10 days ^^1^^|≥ 0.000001 to < 0.00001|
72 -|Q|Greater than 10 days ^^1^^|< 0.000001|
73 -|A|Administrative Instrument Channel|variable|NA
74 -|O|Opaque Instrument Channel|variable|NA
54 +We follow FDSN guidelines for sensor channel and type naming conventions, outlined at [[SAGE / IRIS>>https://ds.iris.edu/ds/nodes/dmc/data/formats/seed-channel-naming/]]
75 75  )))
76 76  
77 77  (% class="col-xs-12 col-sm-4" %)
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82 82  
83 83  (% class="box" %)
84 84  (((
85 -== Trillium Compact 120 ==
65 +Trillium Compact 120
86 86  
87 87  [[image:Trillium compact120.jpg]]
88 88  
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94 94  
95 95  (% class="box" %)
96 96  (((
97 -== Trillium Compact PostHole 120 ==
77 +Trillium Compact PostHole 120
98 98  
99 99  [[image:Trillium compact posthole.jpg]]
100 100  
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106 106  
107 107  (% class="box" %)
108 108  (((
109 -== Trillium Compact Horizon ==
89 +Trillium Compact Horizon
110 110  
111 111  [[image:20250305_100107.jpg]]
112 112  
... ... @@ -118,7 +118,7 @@
118 118  
119 119  (% class="box" %)
120 120  (((
121 -== Lennartz LE-3D-Lite MkII ==
101 +Lennartz LE-3D-Lite MkII
122 122  
123 123  [[image:LE3Dlite.jpg||data-xwiki-image-style-alignment="~"center~""]]
124 124