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B043 KIT Marshall digital machine

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The testing frame is the same as for mod. B042 KIT, but the load is measured by an electric cell 50 kN capacity with high precision strain transducers; the flow is measured by an electronic displacement transducer 50 mm stroke and ± 0.1% linearity.
The Cyber-Plus Evolution 8 channels digital display unit with microprocessor measures and displays at the same time the stability in kN and the flow in mm with pick hold features with the possibility to transfer them to a PC and a printer through a RS232 port.
Supplied complete with Stability mould.

Power supply: 230 V 1 ph 50 Hz 900 W
Dimensions: 650x400x1100 mm.
Weight: 120 kg

Note: The Digital Marshall Tester B043KIT, completed by the specific accessories (listed below) is suitable to perform also the following tests:

1. DIRECT SHEAR (Leutner) BETWEEN BITUMINOUS STRATA
Standard: ALP A StB T.4
Direct shear test (LEUTNER) on the connection between bituminous strata, carried out on asphalt cylinder specimens diameter 150mm or 100mm obtained from road cores or on laboratory made specimens.
Needed accessories:

B047-10 LEUTNER testing head for specimens Ø 150mm.
B047-11 Spacers for Ø 100 specimens with Leutner head.
B043-03N Software for Marshall and Leutner tests.

2. DETERMINATION OF INDIRECT TENSILE STRENGTH
STANDARDS: EN 12697-23, EN 12697-12 / ASTM D4123 / CNR N.134
Equipment: Digital Marshall Tester B043 KIT, and:

B047-02 TENSILE SPLITTING DEVICE FOR SAMPLE Ø 4” AND 6”
Used to measure the indirect tensile strength and the radial strain of a Marshall specimen Ø 4” and 6”, where a vertical load is applied.
Supplied complete with loading knives to test specimens having dia. 4” and 6”.
Steel manufactured, plated against corrosion.
Dimensions: Ø 248 x 270 mm
Weight :14 kg approx.
B047-04 SET OF TWO LINEAR RESISTIVITY TRANSDUCERS, stroke 10 mm, accuracy and linearity +/- 0.3%. Complete with supports and accessories for strain measurements.
B044-03 DISPLACEMENT TRANSDUCER, “additional”, 50 mm stroke, for a double measurement of the vertical displacement of the specimen during the tensile splitting test. Complete with cable and connector.
When used with B043-02N software the average value of the two transducers is given.
B043-02N SOFTWARE UTM2 (Universal Testing Machine 2)
Developed for the management and the remote control through PC of Matest testing machines. Licence for INDIRECT TENSILE STRENGTH
Standards: EN 12697-23 / ASTM D6931 / AASHTO T283
GAUGE BLOCKS. Grade 1
Used to calibrate the linear displacement transducers. Models:
S336-43 Gauge block, nominal length 10 mm.
S336-47 Gauge block, nominal length 50 mm.

3. DETERMINATION OF WATER SENSITIVITY OF BITUMINOUS SAMPLES

STANDARD: EN 12697-12.
This test determines the effect of saturation and accelerated water conditioning on the indirect tensile strength of bituminous mixtures, by evaluating the effect of moisture with different sample conditions.
Equipment: Digital Marshall tester B043KIT, indirect tensile strength accessories, and also:
B052-02 Water bath, digital, with cooling device
Temperature range: +3 to +95°C., accuracy +/- 1°C.
(EN 12697-12 and 12697-23 StandardS require a temperature to be selected in the range of +5 to +25°C.)
Capacity: 45 litres
Inside dimensions: 635x360x205 mm
The bath can also be used for Marshall tests and general laboratory purposes.

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