 |
GEOPHONES
|
 GEOPHONES TYPE SN4 DIGITAL GRADE |
GEOPHONES These are brand
new geophones not used, refurbished, or re-cased units that others sell
at these prices. |
| Unless otherwise noted each geophone is supplied with ground spike (three on the triaxial geophones), one meter lead, and Mueller clip connectors. Add $10.00 per geophone for Kooter connectors. Other connectors available on special order. There is a $200 charge added to each order to cover importation fees. Prices are FOB Minneapolis, MN. Export prices are slightly higher. |
| MODEL | TYPE |
US PRICE
|
| SN4-1V | 1Hz Vert. land case w/ spike |
$987.00
|
| SN4-1H | 1Hz Horiz. land case w/ spike |
$1067.00
|
| SN4-2V | 2Hz Vert. land case w/ spike |
$260.00
|
| SN4-2.5V | 2.5Hz Vert. land case w/ spike |
$258.00
|
| SN4-2.5H | 2.5Hz Horiz. land case w/ spike |
$283.00
|
| SN4-4V | 4Hz Vert. land case w/ spike |
$63.00
|
| SN4-4.5V | 4.5Hz Vert. marsh or land case w/ spike |
$57.00
|
| SN4-4.5H | 4.5Hz Horiz. marsh or land case w/spike |
$63.00
|
| SN4-8V | 8Hz Vert. marsh or land case w/ spike |
$31.00
|
| SN4-8H | 8Hz Horiz. marsh or land case w/spike |
$37.00
|
| SN4-10V | 10Hz Vert. marsh or land case w/ spike |
$28.00
|
| SN4-10H | 10Hz Horiz. marsh or land case w/spike |
$36.00
|
| SN4-14V | 14Hz Vert. marsh or land case w/ spike |
$31.00
|
| SN4-14H | 14Hz Horiz. marsh or land case w/spike |
$37.00
|
| SN4-28V | 28Hz Vert. marsh or land case w/ spike |
$33.00
|
| SN4-35V | 35Hz Horiz. marsh or land case w/spike |
$37.00
|
| SN4-40V | 40Hz Vert. marsh or land case w/ spike |
$37.00
|
| SN4-60V | 60Hz Vert. marsh or land case w/ spike |
$44.00
|
| SQJ8-100V | 100Hz Vert. marsh or land case w/ spike |
$59.00
|
| TRIAXIAL GEOPHONES | ||
| TRI-1T | 1Hz triaxial with spikes |
$2645.00
|
| DFJ3-4.5T | 4.5Hz triaxial with spikes |
$270.00
|
| DFJ3-8T | 8Hz triaxial with spikes |
$218.00
|
| DFJ3-10T | 10Hz triaxial with spikes |
$218.00
|
| DFJ3-14T | 14Hz triaxial with spikes |
$218.00
|
| DFJ3-28T | 28Hz triaxial with spikes |
$224.00
|
| DFJ3-35T | 35Hz triaxial with spikes |
$224.00
|
| DFJ3-40T | 40Hz triaxial with spikes |
$224.00
|
| DFJ3-60T | 60Hz triaxial with spikes |
$224.00
|
| HYDROPHONE | ||
| YD1-10M | 10Hz hydrophone no connector |
$135.00
|
| TYPICAL SPECIFICATIONS | SN4-10V | SN4-10H | SN4-28V | SN4-40V |
| natural frequency ...... Hz +/- 5% | 10 Hz | 10 Hz | 28 Hz | 40 Hz |
| damping open circuit ...... | 0.27 | 0.27 | 0.6 | 0.55 |
| damping with shunt ........ +/- 5% | 0.7 | 0.7 | 0.6 | 0.6 |
| distortion ................................ % | <0.2 % | <0.2 % | <0.2% | <0.2% |
| sensitivity ........... v/cm/s +/- 5% | 0.28 | 0.28 | 0.31 | 0.34 |
| spurious frequency .................. Hz | 180 | 180 | 400 | 500 |
| coil resistance ....... ohms +/- 5% | 375 | 375 | 385 | 600 |
| max coil motion ................mm p-p | 2.0 | 2.0 | 1.6 | 2 |
| suspended mass ..................... gm | 11.3 | 11.3 | 10.2 | 9.6 |
| operating temp ................... deg C | -40~70 | -40~70 | -40~70 | -40~70 |
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