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Home > Geophone > Text
  • Price:¥0
  • Product Name:Conventional detector
  • Product Number:92817421916
  • Category:Geophone
  • Date added:2013-12-14 13:32:17
  • Views:2782
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Product
Inquiry

 

 

 

Parameter/Mode

GD-4.5

GD-10

GD-14

GD-28

GD-35

GD-40

GD-60

GD-100

Natural frequency(Hz)

4.5±10%

10±5%

14±5%

28±5%

35±5%

40±5%

60±5%

100±5%

Damping

0.6±10%

0.25±5%

0.20±5%

0.6±5%

0.60±5%

0.615±5%

0.65±10%

0.42±5%

Damping with shunt resistor

 

0.686±5%

0.6±5%

0.632±5%

 

 

 

 

Sensitivity(V/m/s)

28.8±5%

28.8±5%

28.8±5%

30±5%

32.5±5%

32.5±5%

55±5%

39±5%

Sensitivity with shunt resistor (V/m/s)

 

20.9±5%

18.2±5%

28.5±5%

 

 

 

 

Coil resistance (Ω)

375±5%

375±5%

375±5%

390±5%

560±5%

548±5%

940±5%

1084±3.5%

Closed-circuit resistance(Ω)

 

273±5%

236±5%

370±5%

 

 

 

 

Shunt resistance(Ω)

 

1000±1%

640±1%

7500±1%

 

 

 

 

Distortion

≤0.2%

≤0.2%

≤0.2%

≤0.2%

≤0.2%

≤0.2%

≤0.2%

≤0.2%

Spurious frequency (Hz)

 

≥200

≥200

≥300

≥500

≥500

 

 

Moving mass(g)

11.3

11.3

11.6

10.1

9.3

9.3

11.5

7.6

Maximum motion (mm)

4

2

2

1.8

1.8

1.8

1

1

Allows tilt angle(°)

≤20

≤20

≤20

90

90

90

90

90

Diameter(mm)

25.4

25.4

25.4

26

26

26

27.5

27.5

Height(mm)

36

32

32

32

32

32

33

33

Quality(g)

87

74

74

95

95

95

100

100

Operating Temperature(℃)

-40~70

-40~70

-40~70

-40~70

-40~70

-40~70

-40~70

-40~70

Warranty period (year)

3

3

3

3

3

3

3

3

 


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