Description
The SoundTrap ST640 HF is a four channel digital acoustic recorder for ocean acoustic research. Its ability to record synchronous audio on four channels make it ideal for creating tetrahedral arrays for sound localisation and particle motion studies.
Key features:
- Selectable 1 to 4 channel recording
- 4 x individual wet plugs for HTI hydrophones
- Up 50 to days battery endurance on 12 x 8650 rechargeable batteries
- 384 kHz x 4 channel sampling
- Bandwidth 20 Hz – 150 kHz
- 4 x microSD provide up to 2 TB of removable data storage
- Up to 50 days continuous 4 channel recording on 2 x 18650 rechargeable batteries
- Rugged Titanium housing
- Up to 500m depth rating
The ST640 HF can record signals from up to four hydrophones connected via the four wetplugs on the base of the recorder. The hydrophones are the pre-amplified type, and can be on long cables to enable array spacing’s of several meters. Suitable hydrophones can be specified with various gain and bandwidth options.
Output files are in the industry standard WAV or FLAC format. The included software offers flexible deployment options for channel selection, sample rate, delayed start and duty cycle.
Price includes 256GB of memory, remote, cables and software.
Hydrophones are NOT supplied with the ST440. The ST640 is desgined for use with HTI hydrophones, which must be purchased directly from High Tech Inc USA. Please discuss your requirements with them directly.
ST640 recorders use 18650 (flat top) lithium ion batteries. Batteries are are not supplied with the recorders due to battery shipping restrictions. They are available in most countries and we recommend purchasing in the country in which the recorders are to be used to avoid air transport issues. A battery charger will also be required. We recommend the XTAR VC4 or similar.
Full specification sheet here.
Please note this product is special order – up to 12 week lead time. Please enquire for details.
