Geophysical instrument Digital Geophone core body for petroleum exploration

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Application:

 

petroleum exploration

 

 

Specifications:

 

Parameter/Mode

GD-20Dx-8

GD-20Dx-10

GD-20Dx-14

GD-20Dx-28

GD-20Dx-40

Natural frequency(Hz)

8±5%

10±5%

14±5%

28±5%

40±5%

Damping

0.38±5%

0.3±5%

0.22±5%

0.27±5%

0.37±5%

Damping with shunt resistor

0.7±5%

0.75±5%

0.51±5%

0.552±5%

0.576±5%

Sensitivity(V/m/s)

28±5%

28±5%

28±5%

39±5%

42±5%

Sensitivity with shunt resistor(V/m/s)

20±5%

20.1±5%

20.1±5%

28±5%

30.4±5%

Coil resistance (Ω)

395±5%

395±5%

395±5%

395±5%

575±3.5%

Closed-circuit
DC resistance(Ω)

283±5%

283±5%

283±5%

283±5%

415±5%

Shunt resistance(Ω)

1000±1%

1000±1%

1000±1%

1000±1%

1500±1%

Distortion

≤0.2%

≤0.2%

≤0.2%

≤0.2%

≤0.2%

Spurious frequency (Hz)

≥200

≥250

≥300

≥400

≥400

Moving mass (g)

11.0

11.0

11.0

11.0

8.2

Maximum motion (mm)

1.5

1.5

1.5

1.5

1.5

Allows tilt angle(°)

≤20

≤20

≤20

90

90

Diameter(mm)

25.4

25.4

25.4

27

27

Height(mm)

33

33

33

33

33

Quality (g)

87

87

87

100

100

Operating Temperature()

-40100

-40100

-40100

-40100

-40100

Warranty period (year)

3

3

3

3

3

 

Competitive advantage

 

  Full range of products,Multiple types,Good quality,Direct manufacturers low price,A perfect after sale service


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Weihai Grand Exploration Instrument Co.,Ltd
NO.455 Shichang Road Hi tech Development Zone,undefined,undefined, Weihai, Shandong, China (Mainland)
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