ZC3-A Schmidt Hammer
Usage Overview
·ZC3-A concrete test hammer can accurately measure the thickness of the protective layer of the steel bar determine the position, orientation and distribution of the steel bar, measure the protective layer of the steel bar and estimate the diameter of the steel bar, store, view and transmit the monitoring data. This instrument can be widely used in real estate, highway bridges, engineering construction. Supervision and other areas of urban construction.
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.
· 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
|
Item
|
Concrete Rebound Hammer
|
|
Standard Impact Energy
|
2.207±0.1J (0.225Kgf.m)
|
|
The static friction of pointer slider
|
0.65N±0.15N
|
|
Length of spring stretch
|
75±0.3mm
|
|
The average rebound values on steel anvil
|
80±2
|
|
Measuring Range
|
10~60Mpa
|
|
Radius of spherical tip
|
25mm±1mm
|
|
Working Temperature
|
-10℃~+50℃
|
|
Working Humidity
|
≤90%RH
|
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