TECHNICAL PARAMETERS

HT-75
Application: Lightweight aggregate concrete and Paper roll hardness testing
Impact energy: 0.735 Nm
Strike hammer stroke: 75 mm
The friction force of pointer slider: 0.5±0.1 N
Spherical radius of strike rod: 25±1 mm
The rebound values calibrated on steel anvil: 74±2
Dimensions: Dia. 54×268 mm
Gross Weight approx.: 2.1 Kg

HT-225
Impact energy: 2.207 Nm
Measuring strength range: 10-60MPa
Static friction of pointer slider: 0.65±0.15N
The rebound values calibrated on steel anvil: 80±2
Free length of strike tension spring: 75±0.3 mm
Spherical radius of strike rod: 25±1 mm
Dimensions: Dia. 54×278 mm
Gross weight approx.: 1.7 Kg
Body color: Silver (black/blue optional)
Overall size: 330*200*75mm

HT-20
Measuring strength ranges: 1.0-25 Mpa
Normal impact energy: 0.196 J (0.02kgf.m)
Strike hammer stroke: 75 mm
The friction force of pointer slider: 0.5±0.1 N
Spherical radius of strike rod: 25 mm
The rebound values calibrated on steel anvil: 74±2
Dimensions: Dia. 54×268 mm
Gross weight approx.: 1.6 Kg

HT-1000
Measuring strength ranges: 50-80 Mpa
Normal impact energy: 9.8 J(1 Kgf.m)
Strike hammer stroke: 140 mm
The friction force of pointer slider: 0.5 - 0.8 N
Stiffness of strike tension spring: 10 N/cm
The rebound values calibrated on steel anvil: 83±2
Dimensions: Dia. 65×486 mm
Gross weight approx.: 3.5 Kg

HT-3000
Normal impact energy: 29.43 J
Strike hammer stroke: 200 mm
The friction force of pointer slider: 0.98-1.47 N
Spherical radius of strike rod: 55 mm
The rebound values calibrated on steel anvil: 63±2
Hammer weight: 2 Kg
Static friction between vernier and vernier shaft: 100-150g
Dimensions: 105×320×680 mm
Gross weight approx.: 8 Kg

HT-75/225/20/1000/3000

For the non-destructive testing of the surface of hardened concrete in order to evaluate the strength in various parts of a structure.

STANDARD

· ASTM C805

· BS 1881:202

· NF P18-417

· DIN 1048

· UNI 9189

· For the non-destructive testing of the surface of hardened concrete in order to evaluate the strength in various parts of a structure.
The concrete hammer is supplied complete with carrying case, grinding stone, and instruction manual.

· HT-75

· HT-225

· HT-20
This instrument applies to inspect compressive strength of mortar in masonry for industrial and civil buildings in general sintered common brick masonry.

· HT-1000
Model HT-1000 is suitable for inspecting compressive strength of high-rise building components, bridges and concrete structures (such as blabs, beams, columns, bridge etc.)
 

· HT-3000
HT-3000 is a heavy type Concrete Test Hammer, its kinetic energy of impact is 29.43J. It is extensively used for testing the concrete’ s quality of large concrete component, water conservancy project, railway tunnel, mines, bridges, heavy ways of roads, runways, building foundation beams and etc.