are precision measurement devices that have calibrated, spring-loaded surface indicators to measure firmness and stability.
with standard needle for asphalt test.
Mohr Digi-Test (MDT) Series computerized penetrometers
include the MDT-1 and the new MDT-2 instrument planned for release Q2 2011.
Mulqueen J, Stafford JV, Tanner DW (1977) Evaluation of penetrometers
for measuring soil strength.
We came here with the attitude that we weren't going to run, but my penetrometers
are my high heels (pictured) and they are the best judge Deirdre Johnston, after Attraction stood her ground then made all the running in the Matron Stakes at Leopardstown
These measurements are obtained by pushing penetrometers
into the soil at equally spaced distances across a tillage tool's path.
The films and attached penetrometers
(image quality indicators) are loaded above ground and then lowered into position in the bay.
courses, but we should definitely develop the use of penetrometers
However, there are doubts about the use of penetrometers
in moist soil.
Soil cone penetrometers
have been used for years to measure soil compaction and to sense root impeding.
The Jockey Club plans to introduce an objective second-generation going device which will be used for all official reports and will produce more meaningful data than penetrometers
Contrary to the vertical penetrometer
, which enables only point measurements of the soil strength, horizontal penetrometer
can make instantaneous measurements during driving.