DRAGA EKMAN 15x15x15 cm ACERO INOX

Draga Ekman standard, de 15 x 15 x 15 cm, de acero inoxidable, capacidad 3,5 litros,  con mensajero y 20 m de cable.

Más detalles

F418

Disponibilidad: en stock

1 089,00 € + IVA

Ekman Grab

 

The Ekman grab is designed to take samples in soft, finely divided littoral bottoms such as mud, ooze or fine peaty materials. It is operated via a messenger on a lowering line.

 

Safety notes

Severe injury can be caused by closure of the sharpened scoops, released by accidentally depressing the strike pad. Be very careful handling the Ekman grab when the springs are loaded and the cable loops are hooked on the release pins.  For protection, always use heavy leather gloves when handling the grab. To prevent accidental injury and to extend the life of the springs, always un-hook both springs from their scoop buttons after each sampling session.

Operation

 

The deployment line is passed through the centre hole of the twin-pin release mechanism on the top of the grab. A large knot tied below will keep the line from pulling back through the centre hole. Tie the other end of the line to the boat or to a float to prevent loss of the grab.

 

At the sampling site prior to deployment, close the scoops, hook the end of one spring onto one scoop button and stretch the other end of the spring to reach the second scoop button (if the springs are not already in position).  Repeat this procedure with the second spring on the other side.

 

Just before lowering the grab into the water, press down on the release mechanism and hook one release cable loop against the spring tension into the slotted side of the release and allow the release to spring fully back up before releasing the tension on the cable. Then hook the release cable on the other side over the top projecting pin on the release block.

 

Lower the grab to the desired sampling spot on the bottom and, when ready, hold the line lightly taut and let the messenger slide down the line. The impact of the messenger depresses the strike pad, depressing the release pins, releasing the cables off the pins and allowing the springs to close the scoops. If closure does not occur, carefully inspect all the moving parts for cleanliness and ease of movement.  Clean and adjust as necessary.

 

Retrieve the grab by pulling in on the line. Open the scoops and collect the sample in a bucket for analysis or by sub-sampling through the lids.  

 

Maintenance

 

After sampling, for safety and to preserve the spring tension, unhook the release springs prior to storage

 

All the equipment should be thoroughly rinsed in fresh water after use to remove any dirt, salt and other debris, and then allowed to air dry completely before storing.

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DRAGA EKMAN 15x15x15 cm ACERO INOX

DRAGA EKMAN 15x15x15 cm ACERO INOX

Draga Ekman standard, de 15 x 15 x 15 cm, de acero inoxidable, capacidad 3,5 litros,  con mensajero y 20 m de cable.

Escriba su propia reseña