Mechanical Rebound Hammer
Usage Overview
·ZC3-A concrete test hammer is applied to test the compressive strength of building concrete components, bridge and so on.
Standard: JGJ/T23-2011; GB /T9138-1988; JJG817-93; ASTM C 805; BS 1881:202; NF P18-417; DIN 1048; UNI 9189
Standard: JGJ/T23-2011; GB /T9138-1988; JJG817-93; ASTM C 805; BS 1881:202; NF P18-417; DIN 1048; UNI 9189
Product Description
· Center rod is made from imported material, high accuracy and durable resistance
· The shell is made from high Aluminum or high polymer material in order to perfect protect instrument from damage and extend use
life.
life.
· Pointer slider is outside structure, its friction can be balance well and easy to be adjusted so that we can make sure that the instrument is accurate.
Specification
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Item
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Concrete Rebound Hammer
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Standard Impact Energy
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2.207±0.1J (0.225Kgf.m)
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The static friction of pointer slider
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0.65N±0.15N
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Length of spring stretch
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75±0.3mm
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The average rebound values on steel anvil
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80±2
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Measuring Range
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10~60Mpa
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Radius of spherical tip
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25mm±1mm
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Working Temperature
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-10℃~+50℃
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Working Humidity
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≤90%RH
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