This instrument adopts optical projection, digital display and (2 kinds) electromagnetic head automatic drop hammer, which can automatically measure the 0-22mm cone depth of soil penetration to determine the liquid limit and plastic limit of soil. It is a necessary geotechnical instrument for civil engineering and traffic construction.

 

Technical parameters:

 

1. Conical instrument, q. weight :76g 0.2g and 100g 0.2g

 

2, the cone Angle: 30 ° 0.2 °

 

3. Measured penetration depth: 0-22mm

 

4. Reading accuracy: 0.1mm and 0.05mm respectively

 

5. Measurement time :5 seconds

 

6. Electromagnetic suction :>100g

 

7. Power supply :220V 10%