28Hz Geophone with Soil Spike for P Wave and S Wave
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28Hz Geophone with Soil Spike for P Wave and S Wave

Inclinometer Model: 20dx geophone Customizable Made in China

Inclinometer — Natural Frequency 28Hz, Lead-in Cable 4.6mm to 7.8mm Optional. MOQ 1 piece, US$1.00 – 200.00/piece. QC & shipping by GoodsFromChina.

US$1.00 – 200.00/ piece
Min. order: 1 piece
Warranty
3 Year Limited Warranty
Natural Frequency
28Hz
Geophone Type
P Wave or S Wave Optional
Geophone Housing
Reinforced Case for Land, Marsh or Snow
Geophone Spike
Snow Base, Desert Tripod or 75mm Soil Spike
Geophone Connector
Split Plate Clip, Mueller Clip, Kck, Kcl, Lck
pieces
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At a glance

Product
28Hz Geophone with Soil Spike for P Wave and S Wave
Category
Inclinometer
Price
US$1.00 – 200.00 / piece
Minimum order
1 piece
Origin
China
Customization
Available
Packaging
Standard Export Carton
HS code
9015800090

Last updated

Specifications

CustomizationAvailable
Natural Frequency28Hz
Geophone TypeP Wave or S Wave Optional
Model NO.20dx geophone
Geophone HousingReinforced Case for Land, Marsh or Snow
Geophone SpikeSnow Base, Desert Tripod or 75mm Soil Spike
Geophone ConnectorSplit Plate Clip, Mueller Clip, Kck, Kcl, Lck
Lead-in Cable4.6mm to 7.8mm Optional
Accuracy<1mm
Vertical Lines1
Horizontal Line1
After-sales ServiceAvailable
Warranty3 Year Limited Warranty
Transport PackageStandard Export Carton
Specification1x1
OriginChina
HS Code9015800090
Production Capacity50, 000sets/Year
TypeST-20DX, 28hz (Equivalent to GS-20DX,28hz)
Natural frequency ( Hz )28±5%
Coil Resistance (ohms)395±5%
Open circuit damping0.27±5%
Damping with Shunt Resistor0.552±5%
Calibration Shunt Resistor(ohms)1000
Open Circuit Intrinsic Voltage Sensitivity(V/m/s)39.0±5%
Sensitivity with Shunt Resistor(V/m/s)28.0±5%
Harmonic Distortion ( % )≤0.2
Typical Spurious Frequency ( Hz )≥350
Moving Mass ( g )11.0
Max.coil excursion p-p (mm)1.5
Max.tilt angle20º
Element Diameter (mm)25.4
Element Height (mm)33.0
Element Weight (g)100.0
Operating Temperature(ºC)--45ºC to + 100ºC
Warranty Period3 years
- All parameters specified herein are rated at a temperature 20ºC±2ºC.
- 3-year limited warranty on basic element exclusive of high voltage, lightening or physical abuse.

Product details

28Hz Geophone with Soil Spike for P Wave and S Wave is a inclinometer product manufactured in China and available to buyers worldwide through the GoodsFromChina sourcing service.

Key features

  • Warranty: 3 Year Limited Warranty
  • Natural Frequency: 28Hz
  • Geophone Type: P Wave or S Wave Optional
  • Geophone Housing: Reinforced Case for Land, Marsh or Snow
  • Geophone Spike: Snow Base, Desert Tripod or 75mm Soil Spike
  • Geophone Connector: Split Plate Clip, Mueller Clip, Kck, Kcl, Lck
  • Lead-in Cable: 4.6mm to 7.8mm Optional
  • Accuracy: <1mm

Ordering & packaging

Minimum order quantity is 1 piece. Standard export packaging: Standard Export Carton. HS code: 9015800090. Every order can include a pre-shipment quality inspection and consolidated shipping by sea, air or express, including DDP delivery.

How we source this product for you

  1. 1

    Send your inquiry

    Choose options, quantity and requirements. No payment needed.

  2. 2

    Get a factory quote

    We confirm price, MOQ and lead time — and compare alternatives.

  3. 3

    Production & inspection

    We follow up production and inspect goods before shipment.

  4. 4

    Delivered to your door

    Sea, air or express with customs clearance and DDP options.

Express5–8 days
Air freight8–12 days
Sea freight25–40 days
DDPDuties included

Frequently asked questions

What is the minimum order quantity for 28Hz Geophone with Soil Spike for P Wave and S Wave?

The MOQ is 1 piece. Smaller trial orders can sometimes be negotiated — tell us your quantity in the inquiry.

How much does 28Hz Geophone with Soil Spike for P Wave and S Wave cost?

The listed factory price is US$1.00 – 200.00 per piece, depending on quantity. Your final quote includes our service fee and shipping options.

Can it be customized with my logo or specifications?

Yes. The manufacturer offers customization — logo printing, packaging, colors or modified specifications. Describe your requirements in the inquiry form.

How long does production and shipping take?

Typical production time is 15–45 days depending on quantity. Shipping to the US takes about 5–8 days by express, 8–12 days by air and 25–40 days by sea, with DDP door-to-door delivery available.

How do you check product quality?

We verify the manufacturer before ordering and can perform a pre-shipment inspection (AQL sampling) with a photo report before you pay the balance.

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