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Multi-corer, 3 sizes available:
4 x Ø60/Ø52 mm x 500 mm
4 x Ø80/Ø72 mm x 500 mm
4 x Ø100/Ø95 mm x 600 mm
71.000 - Multi corer
Application:
This multi corer is used for sampling in chemical, geo-chemical and biological applications. The coring head is hydraulically damped to ensure undisturbed samples. Quick change of tubes assures a high operational speed.
 
Operating depths:
Full oceanographic depth
 
Capacity:
4 core tubes,
Diameter: Ø60/Ø52 mm, Ø80/Ø72 mm or Ø100/Ø95 mm
Length 500 mm.
The rack is designed for a specific diameter of tube.

Penetration depth:
Ø60 and Ø80 mm: 400 mm, approx.
Ø100 mm: 500 mm approx.

Damper:
The multi corer comes with a hydraulic damper

Dimensions:
Ready for deployment:
Bottom frame: 85 x 67 cm
Max. height: 170 cm
Minimum height is 130 cm (storing)

Weight:
Net. weight, standard delivery: 130 kg
Max. weight, inclusive 12 lead weights: 210 kg

Non return flap
Securing the samples:

The sediment samples are secured in two ways:

  • Each tube has a non-return flap, so the vacuum will hold the sediment sample
  • The spring loaded plates, see next photo, are pressed in position under the corer tubes as soon as the corer is retrieved
  • 100 mm tubes has a spring-loaded lid on top.


 

The closing mechanism
The spring-loaded closing mechanism:

The lids are closed upon retrievement
  •  

  • The quick change grip
    The quick change function:

    Ensures a quick replacement for the sample tubes.

     

    Hydraulic damper:

    The unit has a hydraulic damper to reduce the shock wave. The speed can be adjusted.

    Click to see manual (pdf - 458 Kb) or right-click, "save target as"

    Description Weight

    Ordering no.

    Multi-corer complete, consisting of:
    1 pc corer rack,
    4 pcs sample tubes, Ø60/Ø52 mm, length 500 mm,
    4 pcs lead weights, each 10 kg, on the moveable rack.
    1 pc safety lock
    1 pc hydraulic damper
    130 kg 71.000
         
    Other parts recommended    
    Lead weight, 10 kg each, maximum mounting 12 pcs. (Standard delivery includes 4 weights) 10 kg 71.001
    Core tube, PMMA, transparent, Ø60/Ø52 mm, length 500 mm 0,45 kg 13.001
         
    Shipping information    
    Standard delivery with 4 weights:
    Pallet/wooden box, 120 x 80 x 156 cm
    Gross weight: 230 kg
       
    Partial reference list:  
    DNV Energy Nordic and Eurasia
    Mobile: +47 90689463
    Fax: +47 67579911
    Tormod Glette
    Senior Consultant
    Cand.scient/M.Sc, Marin Biology
    Tormod.Glette@dnv.com
    www.dnv.com
     
    Lihir Management Company
    7th Floor Pacific Place
    Cnr. Champion Parade & Musgrave Street,
    Port Moresby
    New Guinea
     


    Last rev. of this page: October 13, 2011