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2hz/2.5hz/4hz/4.5hz Seismograph Geophone Seismic Sensor for Sale

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2hz/2.5hz/4hz/4.5hz Seismograph Geophone Seismic Sensor for Sale

Brand Name : Gold

Model Number : GD

Certification : ISO

Place of Origin : China

MOQ : 1pc

Price : USD35/pc

Payment Terms : L/C, D/A, D/P, T/T, Western Union, MoneyGram

Supply Ability : 100pcs/month

Delivery Time : 7days

Packaging Details : Export package

Product : Vibration tester

Frequency : 1hz to 100hz

Type : Vertical/horizontal/3component

Warranty : 1 year

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2hz/2.5hz/4hz/4.5hz Geophone Seismic Sensor for Sale

2hz/2.5hz/4hz/4.5hz Seismograph Geophone Seismic Sensor for Sale

It are remarkably simple (yet ingenious) devices. The active element of the device consists of a mass hanging on a spring. When the ground moves, the mass (because it has inertia) wants to remain motionless. If you were watching the seismometer as the ground moved, it would look like the mass itself was moving. But, in reality, you are moving with the ground, and the mass is remaining motionless.

2hz/2.5hz/4hz/4.5hz Seismograph Geophone Seismic Sensor for Sale

Type 4.5
Natural frequency(HZ) 4.5±0.5
Typical spurious frequency(HZ) ≥140
Coil resistance(Ω) 375±5%
Open circuit damping 0.56±8%
Open circuit sensitivity(v/m/s) 28.8±5%
Distortion(%) 0.3
Moving mass(g) 11.1
Max. coil excursion P.P(mm) 3
Allowable tilt(°) 0


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