Wheeled constant energy dynamic penetrometer

The LM75 is a constant energy dynamic penetrometer on wheels. It comprises a pile driver on wheels, fitted with a motor as a mechanical drive for the chain. Owing to its compact design, this machine can be used in poorly accessible places.

Its simple design makes it a very reliable machine which is easy to maintain. The adjustable dynamic probing system enables testing in DPL, DPM, DPH DPSH-A configuration, in accordance with the NF P 22476-2 standard. This device is also frequently used in SPT configuration with a dropping mass drop height of 75cm.


The success of this device is also due to the design of its dynamic probing system which is equipped with a motor system that is not supported by the drive rod. Apart from this advantage, the support on the drive rod during driving is very limited (in accordance with the requirements of the standards). Moreover, movement of the hammer is free over the whole height of the mast, its travel per blow is not limited.


Applications :
– Dynamic penetrometer soil investigation in accordance with EN 22476-2
– Sampling by probing in accordance with EN 22476-3
Characteristics

Dynamic probing system

Drive:
Weight of dropping mass (adjustable):
Drop height:
Lifting system:
Blow frequency:
Travel per blow:
Dynamic probing system weight:

Automatic
63.5 kg (10+20+20+13.5)
75cm, 50cm
Manual winch
15 – 30 blows/min
Entire height of the mast
25kg

Mast

Lifting system:
Lateral adjustment:
Stabilisation / support:

Manual
Manual supporting legs
Manual supporting legs

Chassis / carrier

Type:
Transport:
Drive mechanism:
Starting:
Equipment:

On wheels
Manual
2.8 hp Honda petrol engine or electric motor
Manual
– – –

Extractor

Type:
Power:

Manual
2 or 6 tonnes

Dimensions

Transport mode (mm):
Working mode (mm):
Weight:

L1300, W780, H1620
L785, W780, H2600
227kg

Accessories/consumables

Rods:
Tips:
Sampling:

Diameter 32mm
Fixed or lost cone, 20 cm²
Core, window sampler, SPT

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