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Changes for page Seismometers

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

Summary

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Author
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1 -XWiki.robert
1 +XWiki.santi
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 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]]
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]]
18 18  
19 19  === Trillium Compact 20 ===
20 20  
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.
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.
22 22  
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]]
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]]
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 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]]
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]]
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/]]
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
55 55  )))
56 56  
57 57  (% class="col-xs-12 col-sm-4" %)
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62 62  
63 63  (% class="box" %)
64 64  (((
65 -Trillium Compact 120
85 +== Trillium Compact 120 ==
66 66  
67 67  [[image:Trillium compact120.jpg]]
68 68  
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74 74  
75 75  (% class="box" %)
76 76  (((
77 -Trillium Compact PostHole 120
97 +== Trillium Compact PostHole 120 ==
78 78  
79 79  [[image:Trillium compact posthole.jpg]]
80 80  
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86 86  
87 87  (% class="box" %)
88 88  (((
89 -Trillium Compact Horizon
109 +== Trillium Compact Horizon ==
90 90  
91 91  [[image:20250305_100107.jpg]]
92 92  
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98 98  
99 99  (% class="box" %)
100 100  (((
101 -Lennartz LE-3D-Lite MkII
121 +== Lennartz LE-3D-Lite MkII ==
102 102  
103 103  [[image:LE3Dlite.jpg||data-xwiki-image-style-alignment="~"center~""]]
104 104