Fixed-point monitors allow for new oceanographic research
MagicBuoy
MGB-240
– Enables fixed-point observation through a buoy equipped with a high-resolution dimensioning and weighing detector
Enables research on the effectiveness of fish reefs in attracting fish.
– Allows measurement for up to about one month with our original, low-power consumption technology
– Indicates the fish size and density (number of tails) of fish schools
Product Features
Product Features
1
Fish density measurement：Direct measurement of each fish allows for more accurate measurement.
Conventional method：【Indirect method】
Estimates are based on fish populations, so that the measurements may be incorrect.(Incorrect fish species and body size for determining density will reduce accuracy)
AquaMagicmethod：【Direct method】
Less error due to direct counting
2
Fish length measurement：All fish in the image is measured, allowing for more accurate fish length measurement.
Image of conventional fish body length measurement
Measures the fish length only when the fish is detected alone(Unmeasurable when viewed as a school of fish)
Image of AquaMagic fish body length measurement
Measure all the fish, one by one!
3
Low power consumption technology allows you to set a reasonable observation period according to your needs.
Intermittent operation enables long-term observation up to 1 month or more. (Intermittent cycle can be set freely.)
1-minute measurement with 30-minute pause= approx. 35 days of measurement!
1-minute measurement with 3-minute pause:=approx. 25 days of measurement!
1-minute measurement with 3-minute pause:=approx. 25 days of measurement!
4
Suitable for a variety of installation environments
For heavily navigated waters: mid-level installation (up to 100m)
For measurements near the seafloor: hanging transducer (up to 60 m)
For measurements near the seafloor: hanging transducer (up to 60 m)
Options
Other options and items sold separately
The optional remote water thermometer also measures water depth x water temperature at the measurement location.
| Specifications | Water temperature measurement range | -5℃～+30℃ |
|---|---|---|
| Water temperature measurement accuracy | ±0.1℃ | |
| Depth measurement range | 0m～600m | |
| Depth measurement accuracy | 1% Full Scale Relative accuracy 1m | |
| Binger Specifications | Depth measurement | Up to 600m |
| Transmission pressure | 160dBuPa at 1m | |
| Directivity | No directivity | |
| Battery life | 12 months (at a transmission cycle of 5 seconds) | |
| Battery | CR-2（replacable） | |
| Air Weight | 200g water weight150g | |
| Dimensions | φ27X190 | |
| Display unit specifications | Dimensions | 170X100X40 |
| Battery | 9V〜28V 30mA | |
| Wave Receiver | Dimensions | φ45×150 / Cable length：15m |
※ The remote water thermometer is available for purchase separately.
Using MagicView, a dedicated analysis software enables easy evaluation and analysis of resources! (Sold separately)
– Automatically generates various reports by just importing data recorded by MagicBuoy.
Sample analysis screens of middle layer installation
How to view specific analysis screens (ecological evaluation of marine resources near fish reefs)
Sample Visual
Sample Visual
Product Specification
Product Specification
specifications
| Frequency | 240KHz | |
|---|---|---|
| Transmission count | 1～40 times/sec (Initial settings：7 times) | |
| Transmission sound pressure | 220dB uPa | |
| Transmission method | CDMA | |
| Main unit dimensions | Φ420 x 565mm | |
| In air weight / In-water weight | 33 kg (Without transducer) / -4kg | |
| Water pressure | 100m | |
| Transmission pulse width | 1msec | |
| Maximum detection depth | 2m ～ 120m | |
| Target fish size | 5cm～100cm | |
| ※1 ※2 Operating hours (Transmission count : 10) | 1 : 3 | 20.5～18.8 days |
| 1 : 5 | 24.8～22.8 days | |
| 1 : 10 | 31.0～28.5 days | |
| 1 : 15 | 34.3～31.6 days | |
| 1 : 30 | 38.7～35.5 days | |
| 5 : 5 | 13.4～12.3 days | |
| 5 : 10 | 17.4～16.0 days | |
| 5 : 30 | 26.8～24.6 days | |
| Battery capacity | 100Ah | |
| Signal processing unit power Consumption | When active：4.8wh / When inactive：0.84wh | |
| Signal processing unit operating temperature range | 0 – 50℃ | |
| Transducer dimensions and weight | Φ110 x 50mm・2.5kg・Directional angle 5° | |
※1 : The numbers on the right show the relationship between the measurement time and the sleep time (measurement time ＜min＞: sleep time ＜min＞).
※2 : There are individual differences in the batteries installed. The table is only a guide and does not guarantee the operating time.
※2 : There are individual differences in the batteries installed. The table is only a guide and does not guarantee the operating time.
Design diagram
Options
| Measurement environment | Installation method | Standard product | Surface layer・Middle layer Installation (Ultrasound downward irradiation) |
|---|---|---|---|
| Option① | Middle layer installation (Ultrasound upward irradiation) | ||
| Transducer | Standard | Buoy installed transducer 200AF-8 | |
| Option① | Hanging transducer 200AF-8 (30m) | ||
| Option② | Hanging transducer 200AF-8 (60m) | ||
| Other （Standard：none） | Option① | Dedicated returnable case (Reinforced corrugated plastic, band, handles) | |
| Option② | Enclosure protection | ||
※ MagicView, the analysis software, is sold separately.
※ Please contact us for prices.
※ Please contact us for prices.
