What is the minimum order quantity?

The minimum order quantity is 1 set.

What are the payment terms?

We accept LC, T/T, and D/P as terms of payment.

What is the lead time for production?

During peak season, the lead time is one month. During off-season, it is within 15 workdays.

TDH-22 Seismic Hydrophone

Name: TDH-22 Seismic Hydrophone
Brand: Tiandunbj Technology Co., Ltd.
SKU: 2163272322

Tianjin, ChinaTiandunbj Technology Co., Ltd.

US$2.00-5,300.00

1 Piece

Product profile

Customization

Available

Output Signal Type

Analog Type

Output Status

Normally Closed

Model NO.

TDH-22

Production Process

Integration

Output Form

Differential Output

IP Rating

IP68

Certification

ISO

Customized

Cable

1m with Coax/BNC

Material

316 Stainless Steel (or Titanium Alloy), Acoustic

Operating Temperature

-10°C ~ +60°C

Storage Temperature

-20 °C ~ +60 °C

Transport Package

Standard Export Carton

Specification

Hydrophone

Trademark

Origin

China

Key features

Wide Frequency Range: Operating frequency range from 2 Hz to 50 kHz for low-frequency seismic signal acquisition.

Deep Water Capability: Supports operation at depths up to 3000 meters with stable sensitivity under pressure.

Compact Design: 25 mm diameter structure facilitates multi-element integration for OBC and OBN applications.

Customizable Cable: Standard watertight cable with customizable length options available.

High IP Rating: IP68 rating ensures protection against dust and water immersion.

ISO Certified: Manufactured under ISO9001:2015, ISO45000:2018, and ISO14001 management systems.

OEM/ODM Services: Full customization, minor customization, and design/sample-based customization available.

Stable Performance: Maintains repeatability with low capacitance and sensitivity variation across temperatures.

Company profile

Importers and ExportersSelf-brandedPatents AwardedExhibition Experience

Tiandunbj Technology Co., Ltd.

Tianjin, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: Less than 1 year CertifiedNearest Port: Tianjin PortAverage Response Time: ≤1.46h

AI-Powered supplier vetting

SummaryThe supplier is a high-tech enterprise focused on underwater acoustics, integrating R&D, production, and service. Its stated business scope includes monitoring and detection instruments, meters, geological exploration instruments, and earthquake-specific instruments. It reports OEM service for well-known brands, ODM capability, SDK availability, and broad customization options. Financial records are indicated for 2022–2024, while ISO9001:2015, ISO45001:2018, and ISO14001 certifications are reported. However, the supplier began exporting no more than one year ago, has no in-stock service, overseas warehouse, or overseas showroom, and lacks quality assurance according to the provided assessment. Complaint handling and corrective-action procedures exist but have no written records. No explicit customer names or case details are provided.

Supplier typeThe supplier is identified as a national high-tech enterprise integrating R&D, production, and service, with a focus on underwater acoustics technology. Its stated business scope also covers monitoring and detection instruments, meters, and geological or earthquake-specific instruments, indicating a manufacturer-oriented instruments and meters supplier.

CertificationsThe supplier reports ISO9001:2015, ISO45001:2018, and ISO14001 certifications. These explicitly demonstrate certification coverage for quality, occupational health and safety, and environmental management.

After-Sales capabilityThe supplier has no overseas warehouse or overseas showroom, and it reports no in-stock service capacity. Although procedures exist for customer complaints and corrective and preventive actions, there are no written records, so the evidence does not establish a strong or documented after-sales system.

R&D capabilityThe supplier reports R&D integration, SDK availability, ODM capability, and multiple design-support options. However, it also states that no new product information was available in the past year, so its current innovation output is not fully demonstrated.

Production capacityThe supplier’s business scope includes manufacturing of instruments, and it reports lead times of within 15 working days in the off-season and one month during peak season. Nevertheless, there is no valid manufacturing-capacity contract with related subcontractors, no inventory capacity, and no quality assurance, creating explicit production-control weaknesses.

Customization capabilityThe supplier explicitly supports customization from designs, customization from samples, full customization, and minor customization. It also provides ODM services, indicating broad stated capability to adapt or develop products to customer requirements.

Product Q&A

Q:What is the operating frequency range?

The TDH-22 seismic hydrophone operates within a frequency range of 2 Hz to 50 kHz.

Q:What is the maximum operating depth?

The hydrophone supports operation at depths up to 3000 meters.

Q:Can the cable length be customized?

Yes, the standard watertight cable length is customizable.

Q:Is OEM or ODM service available?

Yes, we offer OEM and ODM services including full customization, minor customization, and customization from designs or samples.

Q:What are the typical applications for this hydrophone?

It is suitable for Ocean Bottom Cable (OBC), Ocean Bottom Node (OBN), Deepwater Vertical Seismic Profiling (VSP), natural seismic monitoring, and low-frequency acoustic measurements.