Infiltec Qm-4.5lv Seismometer Splitter Cable

US $1700

  • Waynesboro, Virginia, United States
  • Nov 4th
The QM-4.5LV-SPLITTER is an optional cable for the Infiltec QM-4.5LV seismometer that allows the serial output signal to be split into two serial channels.  One of these channels can be set up as a LONG PERIOD seismometer with display filtering of approximately 0.04 Hz low-pass and 0.10 Hz high-pass band, and the other channel can be set up as a SHORT PERIOD seismometer with display filtering of approximately 0.5Hz low-pass and no high-pass. The advantage to using a splitter in this way is that you can see both distant and nearby quakes without having to reset all the display parameters on one AmaSeis display. The QM-4.5LV-SPLITTER consists of 3 parts: 1. serial Y cable: 11 inch long with 1 DB9 male connector and 2 DB9 female connectors. 2. DB9 M/F connector with power pins 4 and 7 removed to prevent both splitter channels from providing power to the QM-4.5LV. 3. USB adapter cable: tested by Infiltec to provide 6-12vdc @ 12ma from combined RTS (#7) and DRT (#4) pins. Installation Instructions to run two channels of AmaSeis seismic software on one Windows PC with QM-4.5LV and splitter: 1. install AmaSeis which creates directory c:\amaseis on your Windows PC. 2. copy directory c:\amaseis to new directory c:\amaseis2 3. copy your amaseis desktop icon to a new desktop icon, and name this new desktop icon amaseis2. 4. right click on the amaseis2 icon and select PROPERTIES and edit both "c:\amaseis" to "c:\amaseis2". 5. plug in the two USB adapters, one that came with the !M-4.5LV and the other with with splitter. This will create two virtual COM ports. 6. connect the splitter "Y" cable to the two USB adapters and the QM-4.5LV. 7. start programs amaseis and amaseis2 and adjust the display parameters for SORT and LONG period, and set the COM ports. 8. both amaseis programs should be kept full screen, one over the other, to avoid dropouts. 9. check the FAQ for more tips. You can see a display from QM-4.5LV with a splitter installed by clicking here.

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