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Last modified by robert on 2026/02/27 19:58
From version 105.2
edited by robert
on 2026/02/17 12:43
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To version 100.1
edited by robert
on 2026/02/13 22:02
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Summary

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6 6  
7 7  ANSIR supply two types of three-channel nodes, and one type of one-channel node:
8 8  
9 -* **SmartSolo IGU-16HR 3C (5 Hz, 'very' short period)**
9 +* **SmartSolo IGU 16HR 3C (5 Hz, 'very' short period)**
10 10  * **SmartSolo BD3C-5 (5 second, short period)**
11 -* **SmartSolo IGU-16 1C (5 Hz, 'very' short period, single channel. Not 'HR')**
11 +* **SmartSolo IGU 16 1C (5 Hz, 'very' short period, single channel)**
12 12  
13 -Visit the [[SmartSolo page>>https://smartsolo.com/igu.html]] for more detail.
14 -
15 15  The three-channel nodes have a theoretical battery capacity of ~~30 days, whereas the single-channel type has a capacity of ~~50 days. The programming, operation and downloading procedures for all types of SmartSolo nodes are also similar.
16 16  
17 17  (% class="box infomessage" %)
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418 418  
419 419  ----
420 420  
421 -= Instrument Response =
422 -
423 -We are aware that there are various different published responses for these instruments and trust very few of them. One has to be careful with how polarity is handled between groups as well, and if one is working in integer counts (the ANSIR default) or mV (unclear why anyone would use this as it makes file sizes enormous). The response information published below is in **counts** and seems to fit well in huddle tests. Note that the response is the same for all channels and all units (e.g. there are no bespoke calibrations!), all appear to be sample rate insensitive, and the IGU data has been inverted (multiplied by -1) as described here: [[5Hz Node Polarity Issues>>https://auspass.edu.au/xwiki/bin/view/Data/AusPass%20Data/#HSmartSoloNodePolarityIssues]]
424 -
425 -== IGU 16HR-3C ==
426 -
427 - '16HR3C': {'poles':[(-22.211059+22.217768j), (-22.211059-22.217768j)],
428 - 'zeros':[0j, 0j],
429 - 'gain':1,
430 - 'sensitivity': 257019225.55108312}
431 -
432 -[[X axis is samples (.01 s), Y axis is velocity (m/s), 0.5-5 Hz filter>>image:IGU16_Z_huddle.png]]
433 -
434 -[[X axis is samples (.01 s), Y axis is velocity (m/s), 0.5-5 Hz filter>>image:IGU16_N_huddle.png]]
435 -
436 -== IGU 16-1C ==
437 -
438 -The 1C nodes seem to have a slightly different response to the 3C (TBA)
439 -
440 -== BD3C-5 ==
441 -
442 - 'BD3C': {'poles':[(-1720.4+0j), (-1.2+0.9j), (-1.2-0.9j)],
443 - 'zeros':[(14164+0j), (-7162+0j), 0j, 0j],
444 - 'gain':1.69726e-05,
445 - 'sensitivity': 702651512.6046528}
446 -
447 -*image TBA but they have been created in the past~-~- we are 100% confident our published responses are correct
448 -
449 -== Horizontal noise & how to avoid ==
450 -
451 -The 5 Hz nodes are susceptible to horizontal noise due to the placement of geophones in the units, **but this can be mitigated by completely burying the units flush with the ground.** In the below example, the node was set on the floor of our basement set on its plastic carrying case support. As such the amount of horizontal noise noticeably increases above ~~ 10Hz.
452 -
453 -[[Power spectrum huddle test vs a CMG-6TD (S1) and TC120/Centaur combo. The N and E channels have excess noise above 10Hz due to "sticking up" out of the ground.>>image:IGU16_spectrum.png]]
454 -
455 455  = **Cleaning** =
456 456  
457 -When assembled, the nodes are water resistant but not submersible. They can handle a good spray and wipe-down. A stiff plastic brush is helpful to reach areas between the metal spikes on the bottom.
421 +When assembled, the nodes are water resistant but not submersible. They can handle a good spray and wipe-down. A strong, non-wire brush is helpful to reach areas between the metal spikes on the bottom.
458 458  
459 459  = **Weights (for shipping)** =
460 460  
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554 554  |**Dimensions (LxHxW)**|558 x 357 x 300mm
555 555  |**Input rating**|100-210V - 50/60Hz
556 556  |**Power**|1000W
557 -|**Weight**|14.5 kg
558 -|**Weight with cables**|21 kg
521 +|**Weight**|14.5kg
522 +|**Weight with cables**|21kg
559 559  )))
560 560  
561 561  (% class="box" id="HSmartSoloBD3C-16PortableBatteryCharger" %)
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567 567  |**Dimensions (LxHxW)**|625 x 500 x 366mm
568 568  |**Input rating**|100-210V - 50/60Hz
569 569  |**Power**|100W
570 -|**Weight**|21.5 - 24 kg
571 -|**Capacity**|16 nodes
534 +|**Weight**|21.5 - 24kg
535 +|**Slots no.**|16
572 572  |**Download Speed**|20MB/sec/slot
573 573  )))
574 574  
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578 578  
579 579  [[image:20250729_124644.jpg]]
580 580  
581 -|**Dimensions (LxHxW)**|625 x 500 x 366 mm
582 -|**Input rating**|100-210V - 50/60 Hz
583 -|**Power**|640 W
584 -|**Weight**|26.3 kg
585 -|**Capacity**|16 nodes
545 +|**Dimensions (LxHxW)**|625 x 500 x 366mm
546 +|**Input rating**|100-210V - 50/60Hz
547 +|**Power**|640W
548 +|**Weight**|26.3kg
549 +|**Slots no.**|16
586 586  )))
587 587  
588 588  (% class="box" %)
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592 592  [[image:20250729_124957.jpg]]
593 593  
594 594  
595 -|**Dimensions (LxHxW)**|590 x 225 x 405 mm
596 -|**Weight**|8.2 kg
597 -|**Capacity**|6 nodes
559 +|**Dimensions (LxHxW)**|590 x 225 x 405mm
560 +|**Weight**|8.2kg
561 +|**Slots no.**|6
598 598  )))
599 599  
600 600  (% class="box" %)
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609 609  
610 610  18.0kg (full)
611 611  )))
612 -|**Capacity**|6 nodes
576 +|**Capacity**|6
613 613  )))
614 614  
615 615  (% class="box" %)
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620 620  
621 621  |**Dimensions (LxHxW)**|225 x 200 x 550mm
622 622  |**Weight**|
623 -|**Capacity**|8 nodes
587 +|**Capacity**|8
624 624  )))
625 625  )))
626 626  )))
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