This tester is used to measure the 50% impact brittleness temperature of plastic, rubber, and electric insulated wire at low temperature. By attaching one end of the test specimen to the holder and adding impact to the other end, the operator is to check for any breaks to the test specimen. The refrigerating method for 121 is dry ice and the 121-R is equipped with a refrigerator.


Hangings5 Hangings (1 Holder)
SpecimenW6.0 ± 0.4mm, L38± 0.2 mm , T2.0 ± 0.2 mm (Type A)
Striking EdgeTop R1.6 ± 0.1 mm, Distance to Chuck 6.4 ± 0.2 mm, Distance to Striking Point 8.0 ± 0.2 mm
Striking Speed2.0 ± 0.2 m/s
Temperature RangeRoom Temperature to -70 °C (Dry Ice & Refrigeration Medium)
Refrigeration Medium AmountApprox. 15 L
AccessoriesTightening Rod, Torque Driver, Specimen Cutter
OptionRotary Holder (5 Hangings × 4 Holders), Specimen Holder (Type B)
Power SourceAC 100 V, 1-Phase, 15 A, 50/60 Hz
Air Source0.5 MPa or More
Dimensions/ Weight (Approx.)W770 × D830 × H550 mm/ 155 kg

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