Universal Penetrometer
The Universal Penetrometer is employed for testing a wide variety of materials as measured by penetration of weighted needles or cones. Main applications are for bituminous materials. Penetration is read from a 5" (127mm) diameter indicator dial of 0-400 divisions, each representing 0.1mm of penetration. Meets ASTM and AASHTO standards when fitted with proper needle or cone. Ruggedly constructed for accurate, sensitive measurements. The aluminum base has a machined, grooved table with leveling screws and rubber inserts to protect tips of needles and cones. Two stainless steel rods act as support guides for a cast aluminum head with coarse/fine adjustments and a calibrated friction-free plunger mechanism. Indicator dial has instant zero reset. Any needle or cone with standard 1/8" (3mm) diameter stem may be mounted to the 47.5g plunger assembly.
Humboldt H-1200
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Gilson HM-320
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Automatic Universal Penetrometer
The Automatic Universal Penetrometer is the same as the standard unit, but has a button release mechanism with digital timer to automatically stop the plunger when the preset time from 0.1 to 9.9 sec. expires. Penetration is read from a 5" (127mm) diameter indicator dial of 0-400 divisions, each representing 0.1mm of penetration. Meets ASTM and AASHTO standards when fitted with proper needle or cone. Ruggedly constructed for accurate, sensitive measurements. The aluminum base has a machined, grooved table with leveling screws and rubber inserts to protect tips of needles and cones. Two stainless steel rods act as support guides for a cast aluminum head with coarse/fine adjustments and a calibrated friction-free plunger mechanism. Indicator dial has instant zero reset. Any needle or cone with standard 1/8" (3mm) diameter stem may be mounted to the 47.5g plunger assembly.
Humboldt H-1240
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Gilson HM-322
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Portable Penetrometer
Portable Penetrometer model for field work or for users with limited work load or limited budget. Lighter and smaller than bench models, it is custom designed for field work, unit’s micrometer adjusts for accurate settings as well as coarse adjustment for approximate
settings. Only one additional 50g loading weight is included. Light Duty Penetrometer has features like the manual model but is smaller and easy to disassemble. One Model H. Overall dimensions are 7x7x16" (178x178x406mm), WxDxH.
Humboldt H-1250
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Gilson HM-325
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Acme Penetrometer
Acme Penetrometer Apparatus is used to determine setting times of asphalt binders by measuring the penetration resistance. Suitable for lab and field testing. A binder sample is placed in a container and stored at a specified temperature. It is tested at regular intervals with standard penetration needles. Resistance is plotted to determine initial and final setting times. Penetrometer’s new design makes it easier to operate, more efficient, with a longer gear rack. All needles are one length so settings may remain the same. Loads are applied hydraulically with pressures read on a 200 lbf (890N) capacity gauge graduated in 2 lbf divisions. Set of six needles allow multiplication to maximum 8000 lbf. reading.
Humboldt H-4143
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Gilson HM-570
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