AWD-40PS is a variant of seismic source of the “weight drop” type. The hammer is equipped with an inclined platform, allowing it to be installed at an angle of 45 degrees, and a special stop, adding stability in an upright position, what allows to perform survey on shear waves.
The source AWD-40PS is mounted on a compact lightweight frame equipped with reliable wheel blocks. The delivery package of the source includes one hammer: 20, 33 or 40 kg. Hammers of another weights can be supplied additionally. The design of device allows hammer’s fast replacing in the field. The source can be used on a rugged terrain. The total weight of the source without battery pack is less than 120 kg. The energy of a single impact reaches 1000 J.
The source can be mounted on a trailer, trunk of a pickup, a four-wheeler or a compact wheel pair (tow bar — four-square).
Type of waves |
pressure and shear |
Minimum response time |
3 s |
Weight (with additional hammer and battery) |
< 120 kg |
The energy of a single impact |
1000 J |
Weight of additional hammer |
20/33/40 kg |
Frame material |
steel |