Characteristic:
1. Using new waterproof principle, simple structure, reliable sealing, did not use any waterproof glue.
2. Cable fixed reliable, joint high tensile strength.
3.Compact structure, small volume, light weight
Appearance:
Size:Φ120 x 75 mm
Weight: 1000 g
Working environment:
Temperature: - 40 - + 70 ° C
GD(H)-4.5
Geophone indicators (20℃)
|
Parameter/Mode |
GD(H)-4.5 |
|
Natural frequency(Hz) |
4.5±0.5Hz |
|
Damping |
0.60±5% |
|
Sensitivity(V/m/s) |
28.8±7.5% |
|
Coil resistance (Ω) |
375±5% |
|
Distortion |
≤0.2% |
|
Moving mass(g) |
11.3 |
|
Maximum motion (mm) |
4 |
|
Operating Temperature(℃) |
-40~+100 |
|
Dimensions(d*h)mm |
25.4*36 |
|
Warranty period (year) |
2 |
