Description and Specification for Lab Tenders
Astra Scientific Digital Penetrometer.
Specification: Cast iron base with leveling screws, digital penetration
measurement gauge 0.01 mm precision, release button, automatic zeroing.
Semi-automatic model is supplied complete with automatic controller,
which automatically releases the plunger by a magnetic device, complete
with micrometer vertical adjustment and adjustable electronic timer of
the fall time, according to EN 1426, ASTM D5, AASHTO T49. Both models
are fit with a micrometer vertical adjustment device. Needles, cups,
thermometer and mirror are not included and have to be ordered
separately. See accessories.
The instrument is provided with lead screw gear arrangement, Leveling
screws, Spirit level. The head can be clamped at any desired height. A
rack and pinion and pointer assemble provides fine adjustment of needle
or cone tip to sample. It incorporates a clutch mechanism. Which makes
reading of penetration and subsequent resetting a simple and accurate
operation. The electronic timer allows the user to set up and read the
fall time of the needle during testing.
The test should be performed placing the penetration cup in
thermostatically controlled water, using a suitable device as our water
bath with thermoregulator and immersed probe (see accessories).
• Weight approx.: 8.5 kg