Benthic chamberTV Grab - 6400 cm²
12.500 - Hydraulic TV Grab - 6400 cm²:
Application:
The grab is used to collect loose or soft rocks or even
biological material and via a TV camera, you can observe the
seafloor and the selection of a suitable sampling target. Two
powerful batteries, mounted on the grab, provides power for the
lights and for closing the grab.
Standard delivery:
The TV Grab is rated for a depth of 6000 m and includes
camera with live view and lights. Important: Standard delivery does
not include any optical cable for the winch or
interface/multiplexer or similar for the video camera. Standard
delivery also comes with the lower rack and the trolley for removal
of the sediment sample.
Dimensions and weight:
• Rack with grab: L x W x H: 185 x 185 x 215 cm, spikes
+15 cm
• Rack with grab, incl. steering fin: L x W x H: 282 x 185 x 230
cm
• Rack for trolley: L x W x H: 185 x 185 x 55 cm
• Trolley: L x W x H: 120 x 120 x 48 cm
• Weight, standard delivery: 1300 kg
Sample volume:
The grab has a sampling volume of 200 L approx.,
corresponding to 500 kg at a density
of 2,5 g/cm³.
The trolley:
The trolley is made of AISI 316 stainless steel and it
has a content of 400 L.
Support for lead weights:
The rack has four bases supporting extra lead weights. The
lead is encapsulated into stainless steel containers, each module
has a weight of 50 kg.
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Specifications |
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Item |
Description |
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Frame with grab: |
Square tube, 100 x 100 x 4 mm, AISI 316 stainless steel. |
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Rack, supporting wagon: |
Square tube, 100 x 100 x 4 mm, AISI 316 stainless steel. |
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Wagon for sediment sample: |
Content: 400 L. Manufactured from 2 mm AISI 316 stainless steel plate with reinforcements for adding 4 wheels. |
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Shovel |
10 mm AISI 316 stainless steel. 40 mm pivot AISI 316 stainless steel. |
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Hydraulics |
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Hydraulic pump station: |
24 VDC/2 kW. Max. pressure: 175 bar. |
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Hydraulic cylinders: |
2 pcs, Ø63/40 mm, length 557 mm. Performance 2 x 5000 kg at 175 bar. |
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Pressure stable housing for hydraulic pump station: |
390 x 390 x 650 mm, rated for 6000 m. |
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Batteries and charger |
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Type: |
SeaBattery Power Module SB-24/40. |
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Capacity: |
2 x 40 Amp/h. |
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Depth rating: |
11000 m. |
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Charger: |
Interacter 24 V/8 A. |
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Dimensions and weight: |
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Frame, without rack for the wagon: |
Without steering fin: L x W x H: 183 x 183 x 215 cm + spikes (20 cm). With steering fin: L x W x H: 280 x 183 x 215 cm + spikes (20 cm). |
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Rack for the wagon: |
L x W x H: 160 x 185 x 55 cm. |
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Wagon: |
L x W x H: 120 x 128 x 48 cm, inclusive handles and wheels. |
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Weight: |
Frame with grab: 1150 kg approx. |
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Painting |
Corrosion Class C3 - high. |
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Pre-treatment: |
SA 3 according to ISO 12944-4. |
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Filling: |
2 component Polyester filling. |
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Sanding: |
Grade 120. |
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Degreasing: |
Degreaser for silicone. |
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Priming: |
Percotex LA Primer, thickness 60 µm. |
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Drying: |
Air drying, 16 hours, temperature 20 °C or 60 min. at 60 °C. |
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Sanding: |
Grade P220-280. |
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Degreasing: |
Degreaser for silicone. |
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Filler: |
Percotex LA-filler, thickness 30 µm. |
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Lacquering: |
2 component acrylic/polyurethane lacquer, thickness 60 µm. |
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Overall finish: |
Minimum thickness of the finish is 140 µm. |
