TG4 Series Digital Seismic Geophone


With first class design, it adopts structure of rotating coil and strict process as well as advanced equipment to ensure high quality of the products. Technology of TG4 geophone reaches international advanced level of 90s. At present, it becomes a leading product for seismic exploration at home and abroad.

Features
1. Small volume, light weight and stable operation
2. Margin tolerance of all specifications is within 5%
3. Distortion 0.2%
4. Dropping Period: than 5000 times
5. Typical Spurious Frequency 180 Hz


 

Specification (at 20 )
Parameter/Type
TG4-8
TG4-10
TG4-14
TG4-28
TG4-35
TG4-40
TG4-60
Natural Frequency (Hz)
85%
105%
145%
285%
355%
405%
605%
Open Circuit Damping
0.337
0.271
0.200
0.6005%
0.6005%
0.6815%
0.6005%
Damping Coefficient
0.65%
(2400)
0.65%
(1400)
0.65%
(640)
/
/
/
/
Sensitivity (V/m/s)
28.85%
28.85%
28.85%
31.05%
32.55%
34.05%
31.05%
Coil resistance ()
3755%
3755%
3755%
3855%
5605%
6625%
9455%
Distortion
< 0.2%
Spurious Frequency (Hz)
160
180
200
400
500
500
500
Moving mass (g)
11.3
11.3
11.6
10.2
9.3
9.3
8.5
Maximum coil excursion p. p (mm)
2.0
2.0
2.0
1.6
1.8
1.8
1.2
Diameter (mm)
25.4
26.0
Height (mm)
32.0
Warranty Period (year)
3 (geophone element)
Operating Temperature
\40 + 100

Characteristics


TOP