HTI - Model 241 - Portable Split-Beam Echosounder
From Hydroacoustic
The Model 241 Portable Split-Beam System is a portable version of the Model 244 Digital Split-beam Echo Sounder. It was designed specifically for hydroacoustic fisheries and plankton evaluations. The Model 241 Echo Sounder provides most of the primary functions of the Model 244 Echo Sounder in a lighter, more compact package that uses less power (runs by 12 VDC).
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Product Details
Combining powerful digital signal processing hardware with a Microsoft WindowsXP™–based user interface, the Model 241 Echo Sounder can produce results in real-time, with several data display and storage options. With the addition of the Model 540 Split-Beam Transducer(s) and a laptop computer, the Model 241 Echo Sounder is the most advanced, reasonably priced, portable hydroacoustic echo sounder available for fisheries and plankton evaluations.
Key Features:
- Samples up to 2 transducers in one frequency (e.g. 120 kHz, 200 kHz, or 420 kHz).
- High resolution: up to 1400 range strata as small as 10 cm, summary data available as frequently as every 6 sec, and ping rate up to 50 pings/sec.
- FM slide/chirp signals provide up to a 15 dB gain in signal-to-noise ratio, reducing bias and variability in resulting fish target strength & biomass estimates.
- Records the complete, unthresholded digital samples.
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