Hydrophones, acoustic release transponders and a command and control unit for the transponders
Buyer: Luonnonvarakeskus
- Published
- 5 August 2026
- Place of performance
- FI198
- Lots
- 1
- Documents
- 1
- Notice number
- 00542009-2026
- Official source
- Official source
CPV codes
- 38292000Instrumentos de hidrografía
Description
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…
Official publications
- TED · 00542009-2026 · 5 August 2026
- OJS · 149/2026 · 5 August 2026
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- The contracting authority is Luonnonvarakeskus (European Union).
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