infraTest Prüftechnik GmbH
InfraTest Prüftechnik GmbH is engaged in the development, production, distribution and trading of testing and analysis equipment for the entire building materials sector. From standard test equipment and complex dynamic large-scale systems to turnkey laboratory system solutions, a team of almost 50 employees develops equipment for the testing of asphalt, concrete, cement and soil. A quarter of the workforce are engineers from electrical engineering and mechanical engineering who are involved in the new and further development of test equipment.
- +49 (0) 7135-95 00-0
- +49 (0) 7135-95 00-20
- info@infratest.net
- Wiesenbachstrasse 15
Brackenheim, D-74336
Germany
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Clippers
The device consists of a sturdy frame with step motor drive, which moves the water box with the Scherbüchsenunterteil. For the measurement of shear force, shear path and settlement electronic transducers are provided. The device control with measurement data acquisition takes place via PC with software PROPRESS.
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the Impact Shattering
For determining the resistance of aggregates against fragmentation in the impact test. The device consists of the safety housing with doors.
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Density Determination and Bulk Density
Consisting of 2 incremental displacement transducers 25 x 0.01 mm (measurement of volume change over path) with interface for connecting the displacement transducers with RS 232 C interface for PC, complete with Windows software with real-time display of uplift over time including trial database and option for log output.
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Performance Exams
Sturdy sheet steel housing with safety door and electrically driven base with built-on sample mold. The compaction takes place via a rolling segment with force / path-controlled drive device from above. The sample mold and the rolling segment are equipped with software controlled heating. The measurement of force and displacement is done by electronic sensors. The entire compaction process is controlled with Windows software and PC via preselected sequence programs.
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bitumen
Pressure aging container PAV for the long-term aging of bitumen and for simulating the aging of asphalt mix after 5 to 10 years. Consisting of the pressure vessel with connection elements, pressure / temperature sensors, thermostatically controlled heating device as well as PC touchscreen and 10 test vessels.
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proctorers
For automatic compression of simple and modified Proctor specimens 100 and 150 mm. Stand model for installation on a stable surface with CE safety door in accordance with the EU Machinery Directive. The Proctor mold used for the respective test is placed on the rotatable base plate and the corresponding monkey hammer inserted into the lifting device. Exchangeable drive disks and cams control the drop height and the rotary feed rate after each stroke. The displacement of the impact surface sample edge / center / sample edge is done by an electric drive. The entire compaction process is microprocessor-controlled with universal software and preselectable test parameters:
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thermostats
Cooling bath circulation thermostats - freezing test set of equipment 2 pieces for carrying out the freezing test with 42-2260 .... Complete with insulated connection hoses and connection elements as well as integrated circulating pumps for temperature control of a single or double sample. The temperature setting is software-controlled. For connection, 2 separate fused circuits per 16 A are required.
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Marshall
Automatic Marshall compressor consisting of frame with wooden block, stable holding device for the mold set and hoisting device for the monkey. The drop weight is raised by a chain and an electric gear motor to the drop height of 457 mm.
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Uniaxial Testing Machines
CBR testing machine for performing CBR tests in the laboratory. Two-column version with electric drive and adjustable feed speed. and additional overdrive.
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Field Testing
Electronic force measuring device with digital display in MN / m², switchable for load plate.
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Triaxial Testing Machines
Triaxial testing machine for position-controlled triaxial tests with test cells 10-3150 ... Stand model in two-column design with electronic force transducer, flanged to the testing machine crosshead and adjustable electronic position transducer 50 mm. The machine is driven by a stepper motor with central spindle and pressure plate below.
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Electromechanical Testing Machines
Stand model in four-pillar design with electronic force transducer, flanged to the movable testing machine crosshead and electronic position transducer for measuring the crosshead path. The machine is driven by a quartz-precise stepper motor with two ball screws. Complete with integrated displacement measuring device 0.01 mm over the entire travel distance as well as additional displacement transducer with connecting cable and holder
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flow Coefficient
For the determination of the flow coefficient of fine aggregates up to 4 mm particle size.
