Tenders/Hydrophones, acoustic release transponders and a command and control unit for the transponders

Open🇫🇮FinlandSupplies

Hydrophones, acoustic release transponders and a command and control unit for the transponders

Luonnonvarakeskus

Published: Aug 5, 2026

Updated: Aug 5, 2026

Source: hilma_fi

About This Opportunity

This is a supplies contract in the Research, health and medical services and urban development and housing sectors, with a focus on Infectious Diseases and Housing. Located in Finland, Europe, this opportunity is open to firms and consortiums. Proposals must be submitted before February 5, 2027.

Published through Hilma Finland, a national government procurement portal. Public procurement tenders follow the country's national bidding regulations and may have specific eligibility and documentation requirements for the supply of goods in the Research sector. Supply contracts typically require bidders to demonstrate product compliance with technical specifications, delivery capacity, and relevant certifications. This is an advance notice — the formal tender is expected to be published shortly. Interested parties can use this time to prepare documentation and identify potential partners.

Description

Hydrophones, acoustic release transponders and a command and control unit for the transponders Please note that this is a prior infromation notice and this notice is not a call for tenders. The information provided in this notice is preliminary and may change as the preparation progresses. The Natural Resources Institute Finland (Luke) is planning to purchase hydrophones, acoustic release transponders and a command and control unit for the transponders. Hydrophones are needed for research conducted on aquatic mammals to record their underwater calls and the surrounding underwater soundscape. The specific requirements for the hydrophones are: • Low power consumption, very low self-noise and 60 kHz bandwidth • Long battery endurance lasting up to 160 days • Must be able to provide up to 2 TB of removable data storage • Recording bandwidth of 20 Hz – 60 kHz • Sample rate of up to 192 kS/sec • Must provide a durable titanium housing • Must contain a removable protective hydrophone cage • Must be able to operate in depths of several hundred meter - up to 500 m depth rating • Must be suitable for up to 1 year deployments In addition, the hydrophones cannot be retrieved from depths by diving; thus, a remote release mechanism that brings the hydrophone up to the water surface is needed to accompany the hydrophone. The requirements for the release transponders are: • Must be compatible with the hydrophone type used in the project • >13 months deployment with alkaline battery pack • Integrated inclinometer • Uses a storage mode eliminating power consumption when not in use • Reliable, 'screw-off' release • Rugged, compact design • Working Load Limit of 150 kg • Depth rated to 1,000 m Further, a topside command and control unit is required to control and operate the release transponders. It should have the following requirements: • Must be robust and portable • Must communicate with release transponder RT 6-1000 from the surface • Must be able to operate in harsh marine environments. • High brightness, resistive touch screen display is required • Must come with an easy-to-use user interface • Must have a Lithium-Ion rechargeable battery that provides up to 8 hours of continuous operation • Must provide a secure acoustic communication link between the surface and seabed • Must have operational range of up to 1,000 m water depth • Must have operating temperature -20°C to +55°C • Must be able to export a complete set of activity logs for all activities and be able to export a PDF for release transponders, Lot 1: Hydrophones, acoustic release transponders and a command and control unit for the transponders Please note that this is a prior infromation notice and this notice is not a call for tenders. The information provided in this notice is preliminary and may change as the preparation progresses. The Natural Resources Institute Finland (Luke) is planning to purchase hydrophones, acoustic release transponders and a command and control unit for the transponders. Hydrophones are needed for research conducted on aquatic mammals to record their underwater calls and the surrounding underwater soundscape. The specific requirements for the hydrophones are: • Low power consumption, very low self-noise and 60 kHz bandwidth • Long battery endurance lasting up to 160 days • Must be able to provide up to 2 TB of removable data storage • Recording bandwidth of 20 Hz – 60 kHz • Sample rate of up to 192 kS/sec • Must provide a durable titanium housing • Must contain a removable protective hydrophone cage • Must be able to operate in depths of several hundred meter - up to 500 m depth rating • Must be suitable for up to 1 year deployments In addition, the hydrophones cannot be retrieved from depths by diving; thus, a remote release mechanism that brings the hydrophone up to the water surface is needed to accompany the hydrophone. The requirements for the release transponders are: • Must be compatible with the hydrophone type used in the project • >13 months deployment with alkaline battery pack • Integrated inclinometer • Uses a storage mode eliminating power consumption when not in use • Reliable, 'screw-off' release • Rugged, compact design • Working Load Limit of 150 kg • Depth rated to 1,000 m Further, a topside command and control unit is required to control and operate the release transponders. It should have the following requirements: • Must be robust and portable • Must communicate with release transponder RT 6-1000 from the surface • Must be able to operate in harsh marine environments. • High brightness, resistive touch screen display is required • Must come with an easy-to-use user interface • Must have a Lithium-Ion rechargeable battery that provides up to 8 hours of continuous operation • Must provide a secure acoustic communication link between the surface and seabed • Must have operational range of up to 1,000 m water depth • Must have operating temperature -20°C to +55°C • Must be able to export a complete set of activity logs for all activities and be able to export a PDF for release transponders CPV: 38292000 Organisation: Luonnonvarakeskus Documents: https://tarjouspalvelu.fi/luke?id=620757&tpk=83f6044b-442c-4a2b-8c52-63fc6036e30b

Data provenance

This notice is sourced from Hilma Finland and was originally published on August 5, 2026. Last refreshed 1 day ago. BidsFactory mirrors official procurement notices and links back to the source for full legal text.

About Luonnonvarakeskus

Luonnonvarakeskus has issued 60 procurement notices on BidsFactory, including 4 currently open and 25 awarded contracts. Activity concentrates in Research & Innovation, Governance & Public Administration, and Agriculture & Food Security. All notices are published for Finland. Notices are distributed via Hilma Finland and TED - Tenders Electronic Daily (EU). Most recent publication: August 5, 2026.

Frequently asked questions about this tender

When does this tender close?

The submission deadline is February 5, 2027. You have 183 days left to prepare and submit your proposal to the contracting authority.

Who is the contracting authority?

This notice was issued by Luonnonvarakeskus in Finland. The authority is responsible for evaluating bids, awarding the contract, and managing performance.

What type of contract is this?

This is a Supplies contract in the Research & Innovation sector. The classification helps bidders match the opportunity to their qualifications and registered scope of supply.

Where will the contract be performed?

The contract is for delivery in Finland. Foreign bidders should review local registration, taxation, and any in-country presence requirements before submitting.

How can I submit a bid?

Visit Hilma Finland to access the full notice, required documents, and submission instructions provided by the contracting authority.