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  • ZC3-A+混凝土回弹仪(1).jpg

ZC3-A + Concrete rebound tester

  • Commodity name: ZC3-A + Concrete rebound tester
  • Commodity ID: 1187317443064385536


  • Description
  • product description:
    This instrument is a concrete rebound meter that fully complies with the industry standard JGJ / T23-2011 "Technical Regulations for Testing the Compressive Strength of Concrete by Rebound Method". It is 2.207J, and the indication system is a pointer direct-reading medium rebound tester. The technical parameters of the instrument are in accordance with the various technical specifications of the National Metrological Verification Regulation of the People's Republic of China "Concrete Rebound Tester" (JJG817-2011).
    Technical Parameters:
    ● Hand length: 20.0 ± 0.2 (mm)
    ● Hand friction: 0.65 ± 0.15 (N)
    ● Spherical radius of the end of the bounce rod: 25 ± 1.0 (mm)
    ● Rigidity of bounce tension spring: 785.0 ± 30.0 (N / m)
    ● Unhook position of the bounce hammer: at the scale line "100"
    ● Working length of bounce tension spring: 61.5.0 ± 0.3 (mm)
    ● The impact length of the hammer: 75 ± 0.3
    ● Bouncing position of the hammer: at the scale "0"
    ● Fixed value of steel anvil: 80 ± 2
    Performance characteristics:
    ZC3-A + concrete rebound tester has been fully upgraded on the basis of the original ordinary type. The bouncer is processed by a special process [a national patent has been applied] to ensure the verticality of the bouncer and make the rebound value more stable and rebound The instrument shell, front and rear covers and buttons use special technology to make the appearance simpler, brighter and more beautiful. The whole machine spring adopts imported steel wire and processing technology, which is more resistant to fatigue, longer maintenance period and higher accuracy. The spring life of the tension spring can reach more than 300,000 times.
    A large number of actual measurements and tests have proven that most of the failures of the rebound meter are caused by the internal or external dust entering the polluted movement, which causes the slippery movement and the backward processing of the shot bar. On the basis of this, multiple sealing systems have been added to the front cover, tail cover and scale to make the parts of the movement more resistant to contamination after long-term use, thereby greatly extending the maintenance cycle. The bounce lever is processed by a special process [a national patent has been applied] to ensure verticality, so that its 360-degree rotating bounce can also ensure the stability of the rebound value.

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