Humboldt 5000 BLU Light Weight Deflectometer User Manual
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1. Documentation
1.1 Notes on the Documentation
Congratulations on your purchase of your Light Weight Deflectometer from the TERRATEST product family.
By selecting this innovative test instrument you have chosen a cutting-edge product featuring the latest
technology. To be able to make full use of all the advantages and possibilities that this high-tech product
offers, and to ensure the proper use of the device according to the manual, please take a little time to read
this documentation carefully before use. The chapters contain everything you need to know about the device
and give valuable tips and recommendations for the proper use of this product. Reading this documentation
carefully will ensure that you will always obtain precise test results, which will give you a clear indication as
to the bearing capacity of the soil.
Read the instruction manual carefully and operate the device in accordance with the instructions.
TERRATEST GmbH will not be liable for damages caused by failure to observe these instructions.
All details contained in this documentation are subject to change without prior notice. TERRATEST GmbH
gives no assurance as to the accuracy of this documentation, and specifically disclaims any implied
warranties of merchantability or fitness for a particular purpose.
TERRATEST GmbH cannot be held liable for errors contained in this documentation, or for accidental or
sequential damage in connection with the delivery, performance, or use of the material.
PLEASE OBSERVE THE INSTRUCTIONS OF THE GERMAN STANDARD
‘Technical Test Code for Soil and Rock Mechanics in Road Construction TP BF-StB Part B 8.3’.
Evaluate the test data strictly in accordance with ZTV-E, ZTV-A, RIL 836 and/or RVS 08.03.04.
We would like to point out explicitly that a reliable evaluation of the test data is only possible if a cor-
relation measurement with the static plate load test is performed for every dynamic test with the Light
Weight Deflectometer. At least three static plate load tests should be performed for a reliable calibration
(see p. 29/30).