GEOPHONES & HYDROPHONES

DTCC Geophones Division
We design and manufacture classic digital grade geophones and superphones. There is one geophone element production line and one geophone string assembling line. DTCC can produce upwards of 1.2 million geophone elements and 200,000 typical geophone strings per year.

Geophone Product Code (click product code for full specifications PDF)	Coil Resistance	Natural Frequency Range	Tolerance	Limited Warranty
DT-20DX	395 Ohm to 575 Ohm	8Hz, 10Hz, 14Hz, 28Hz and 40Hz	+/- 5%	3 year
DT-20DX-4.5HZ	375 Ohm	4.5Hz	+/- 5%	3 year
DT-20DXLD	395 Ohm to 575 Ohm	10Hz, 14Hz, 28Hz, 35Hz and 40Hz	+/- 5%	3 year
DT-20DX-100HZ	1.004 +/-5%	100Hz	+/-10%	3 year
DT-HP101	395 Ohm	10Hz	+/- 2%	3 year
DT-HP102	395 Ohm	10Hz	+/- 2.5%	3 year
DT-HP103	375 Ohm	10Hz	+/- 2.5%	3 year
DT-HP104	375 Ohm	10Hz	+/- 5%	3 year
DT-HP104LD	375 Ohm	10Hz	+/- 5%	3 year
Hydrophone Product Code
DT-25

 

Optional Parts for Geophone Strings
D-Loops & Spares
710251	710351-001	710252	710253	610255
Geophone Case and Coupling
610196	610500	610386	610501	610201
DCK Series
810104	810210	810211	810242	810105
DCL Series
810183	810184	810185B	810188	810185
T Series
610187	610287	810601	610187-P01
DEMA4 Series	AMPHIB 4 Series
810192	810172