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    Digital hardness tester to shore (A,B,C,D,A0,00,000)

    Digital hardness tester to shore (A,B,C,D,A0,00,000)

    Range of application
    The digital hardness testers (Shore A, D, B, C, A0, D0, 0, 00, 000) are used to determine the hardness of plastics and rubber according to the test standards ISO 7619-1, ASTM D 2240, ISO 868, and NFT 51109. Prerequisite for tests to test standard are specimens with plane parallel contact areas of at least 35 mm dia. and a minimum thickness of 6 mm.

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    Product Description

    Feature & Advantage :

    • Hardness tests can be carried out in horizontal and vertical positions. The low weight, the handy dimensions and the accumulator operation enable mobile use as well as laboratory operation (test stand as an option).
    •  Test data determination after different durations (ISO requirements) can be determined and entered with digital hardness testers.
    • The digital hardness tester consists of a handy, cylindrically shaped measurement head with integrated digital electronics.
    •  The pressure spring is integrated in the measurement head so that the contact ring enables the hardness tester to be applied exactly parallel to the specimen, this excludes measurement error.
    •  An optical and an acoustic signal are generated after the measurement time has expired and the test data is automatically shown on the display. The test data can be transmitted to a PC for further processing and archiving via an RS-232 interface
      when using the test software testXpert II.
    •  The tester always shows the current test data and can save up to 300 hardness value. The tester is switched to the stand by mode if testing has not been carried out for a long time.
    •  The test stand with loading weight is suitable for digital hardness testers to Shore A and D (Zwick 3130/31). It guarantees exact, right angled positioning of the hardness tester with respect to the specimen surface and thus results in a considerably lower scatter of test data for the hardness tests. Test stands are recommended for use in laboratories as the repeatability of the test method is considerably increased by elimination of operator influence.

     

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    Description
    Scale value 0.1 Shore hardness unit
    Display 1Line
    Display accuracy ± 0.5 Shore hardness unit
    Measurement duration 0 ... 99 s
    Battery with minimum operating duration 2000 h
    Data output V 24 RS232 C/600 ... 9600 Baud
    Contact area, dia. 18 mm
    Dimensions 160 x 70 x 40 mm
    Weight 370 g

    Display of the individual test devices

     

    Device Indentor Contact   Spring

    force          force

    Range of application Item number
    Zwick 3130 (Shore A) Truncated cone 10 N 8.065 N Soft rubber, elastomers, 320153
    Opening angle 35° natural rubber, PVC soft
    Zwick 3131 (Shore D) Cone 50 N 44.5 N Hard rubber, acrylic glass, 320154
    Opening angle 30° polystyrene, rigid thermoplasts
    Zwick 3132 (Shore B) Cone 1 kg 8.065 N Elastomers harder than 320155
    Opening angle 30° Shore A
    Zwick 3133 (Shore C) Truncated cone 5 kg 44.5 N Middle hard elastomers and 320156
    Opening angle 35° rubber materials
    Zwick 3138 (Shore A0) Ball dia. 5 mm 10 N 8.065 N Soft rubber, elastomers, 081987
    natural rubber, PVC soft
    Zwick 3134 (Shore D0) Ball dia. 3/32 inch 5 kg 44.5 N High strength textile fabrics 320157
    Zwick 3135 (Shore 0) Ball dia. 3/32 inch 1 kg 8.065 N Soft elastomers and 320158
    textile fabrics
    Zwick 3136 (Shore 00) Ball dia. 3/32 inch 0.4 kg 1.10853 N Foam, sponge/cellular rubber 320159
    Zwick 3137 (Shore 000) Ball, dia. 1/2 inch 0.4 kg 1.10853 N Sponge/cellular rubber and gel 320160