
Product parameters:
Description
In line with JGJ / T294-2013 technical specifications. This product is suitable for testing the strength of high-rise building components, bridges and components (plate, beam, column, bridge), usually applies to C50-C100 of concrete, according to national standards "concrete structure construction quality standard" GB50204 and "concrete Strength testing and evaluation standards "GB / T50107 acceptance assessment of concrete strength.
Features
1) Center guide using imported materials, high precision, wear resistance;
2) Shell with super-hard aluminum, to avoid damage to the scene of the instrument operation to extend the service life;
3) Pointer slider with external coil structure, both to facilitate the friction adjustment, but also to ensure that the pointer shaft and pointer slider friction uniformity, to ensure the accuracy of the instrument relative to product quality and cheap, high precision, the use of long life.
Technical Parameters
1, The standard energy 4.5J
2, Bomb striking extension spring working length 106mm
3, Impact spring tensile stiffness 900N / m
4, Steel anvil rate of 88 ± 2
5, Hammer hammer stroke 100 mm
6, The instrument quality 3kg
7, Size ф64 × 430mm
8, Measuring strong range: 20-110MPa