What is difference of geophone?
The core of geophone/string:
PS-10B : apply for city exploration
PS-10X : apply for city exploration
PS-10ES: apply for oil, gas, coal exploration; could receive tilt wave
PS-10XS: apply for oil, gas, coal exploration; good at longitudinal wave
Mode
|
|
PS-10ES |
|
Natural Frequency (Hz) |
10 ± 2.5% |
|
Coil Resistance (Ohm) |
375 ± 2.5% |
|
Sensitivity (V/m/s) |
28.8 ± 2.5% |
|
Sensitivity With Shunt Resistor (V/m/s) |
20.9 ± 2.5% (1000ohm),22.5 ± 2.5% (1339ohm) |
|
Damping |
0.25 + 5% / -0% |
|
Damping With Shunt Resistor |
0.686 + 5% / -0%(1000ohm),0.600 + 5% - 0% (1339ohm) |
|
Distortion (%) |
less than 0.1 |
|
Spurious Frequency (Hz) |
large than 240 |
|
Max. Motion (mm) |
2 |
|
Moving Mass (g) |
11 |
|
Dimensions (dxh)mm |
25.4 x 32 |
|
Temperature Range (certigrade) |
-40~+100 |
Mode
|
|
PS-10XS |
|
Natural Frequency (Hz) |
10 ± 2.5% |
|
Coil Resistance (Ohm) |
395 ± 2.5% |
|
Sensitivity (V/m/s) |
27.5 ± 2.5% |
|
Sensitivity With Shunt Resistor (V/m/s) |
19.7 ± 2.5% (1000ohm) |
|
Damping |
0.316 ± 2.5% |
|
Damping With Shunt Resistor |
0.70± 2.5%(1000ohm |
|
Distortion (%) |
less than 0.1 |
|
Spurious Frequency (Hz) |
large than 240 |
|
Max. Motion (mm) |
2 |
|
Moving Mass (g) |
11 |
|
Dimensions (dxh)mm |
25.4 x 32 |
|
Temperature Range (certigrade) |
-40~+100 |
Mode
|
|
PS-10B |
|
Natural Frequency (Hz) |
10 ± 5% |
|
Coil Resistance (Ohm) |
375 ± 5% |
|
Sensitivity (V/m/s) |
28.8 ± 5% |
|
Sensitivity With Shunt Resistor (V/m/s) |
22.7 ± 5% (1400ohm) |
|
Damping |
0.271± 5% |
|
Damping With Shunt Resistor |
0.60± 5%(1400ohm) |
|
Distortion (%) |
less than 0.2 |
|
Spurious Frequency (Hz) |
large than 240 |
|
Max. Motion (mm) |
2 |
|
Moving Mass (g) |
11.3 |
|
Dimensions (dxh)mm |
25.4 x 32 |
|
Temperature Range (certigrade) |
-40~+70 |
Mode
|
|
PS-10X |
|
Natural Frequency (Hz) |
10 ± 5% |
|
Coil Resistance (Ohm) |
395 ± 5% |
|
Sensitivity (V/m/s) |
28.0 ± 5% |
|
Sensitivity With Shunt Resistor (V/m/s) |
20.1 ± 5% (1000ohm) |
|
Damping |
0.3± 5% |
|
Damping With Shunt Resistor |
0.705± 5%(1000ohm) |
|
Distortion (%) |
less than 0.2 |
|
Spurious Frequency (Hz) |
large than 240 |
|
Max. Motion (mm) |
1.5 |
|
Moving Mass (g) |
11 |
|
Dimensions (dxh)mm |
25.4 x 32 |
|
Temperature Range (certigrade) |
-40~+70 |
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