Class H – Servo-Motor Dual Column Charpy Impact Tester – 300J, 450J, 600J or 750J

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Class H - Servo-Motor Dual Column Charpy Impact Tester - 300J, 450J, 600J or 750J

Standards

ISO 148, EN10045, ASTM E23, ASTM E1820, ASTM E2298

Metals Impact Tester - Class H 750J - Dual Column Charpy Impact Tester

Impact Energy

300J, 450J, 600J or 750J

Description

The Class H Metals Impact Tester is a dual column impact testing system designed for Charpy Impact testing according to ASTM E23, ASTM E1820, ASTM E2298, ISO 148 and EN10045 industry standards. Class H is designed for high volume and especially hard materials. This unit has the highest accuracy and can be equipped with a force transducer for precise data sampling and complete measurement system. The Class H has a peak capacity of 750J with optional pendulums for 300J, 450J, 600J and 750J. Class Hcomes standard as a fully enclosed system and allows for impact testing at any pre-set angle.This system comes standard with an analog and digital readout for higher accuracy along with the option to add the ability to connectthe system to a computer for use with our analysis software. Class H-4 is an instrumented type meaning there is a force transducer inside the strikerwhich enables the determination of characteristic force, energy and displacement parameters such as pre-maximum force energy (Wm), the post maximum force energy, the general yield force (Fgy), the force at brittle fracture initiation (Fbf) and the arrest force (Fa).

Main Features

  • The heavy cast iron base is mechanically designed to avoid any vibrations having an effect on impact testing results.
  • Dual column impact frame
  • Standard touch screen display and optional connectivity to a PC for software analysis
  • Motor-driven raising of the hammer with auto-return after completion of a test
  • Electromagnet locks the pendulum securely
  • Fully enclosed testing area for the highest safety while undergoing impact testing
  • The pendulum height and weight are precisely designed to ensure high accuracy
  • Simple and easy design to exchange the striking knife to meet ISO or ASTM standards
  • Designed with a high precision bearing for the most accurate impact results
  • Quality PLC controller for precision pendulum testing
  • Optional computer with software control is available for a semi-automatic operation. The operator must only change the specimens while the rest is controlled by the PC.
  • Optional instrumented version with force transducer within the pendulum for detailed software analysis - enables the user to determine the highest amount of data on their specimens

Technical Specifications

NG-Impact Class H
Model NG752 Class H and Class G
Maximum Impact Energy 750J
Optional Pendulum 300J, 450J, 600J and 750J
Angle Resolution 0.025°
Angle of Striking 30°-150° ±1° - Adjustable
Distance from Axis of Support to Center of Percussion 29.5"
750 mm
Velocity of Striker 5.24 m/s
Support Span 1.58"
40 mm
Radius of Curvature of Supports 1 mm
Angle of Taper of Supports 11° ± 1°
Radius of Striking Edge 2 mm (R2) and 8 mm (R8)
Angle of Striking Tip 30°
Thickness of Striking 0.63"
16 mm
Force Transducer 30kN, 50kN
A/D Sampling Resolution 16bits
Maximum Sampling Frequency 1.25MHz
Frequency Band Width 500kHz
Specimen Dimensions 2.16x0.4x0.4", 2.16x0.4x0.3", 2.16x0.4x0.2"
55x10x10 mm, 55x10x7.5 mm, 55x10x5mm
Overall Dimensions 7.72 x 2.7 x 7.88"
196 x 68 x 200 cm
Weight 1765lbs
800 kg
Power AC220V±10%, 50Hz, 100W
Charpy and Izod Impact Testing System 300J to 750J Load Capacity

Configurations

Name Description Model
Machine Frame NG752 Class H NG752 H-2 NG752 H-3 NG752 H-4
Framework Frame X X X
Pendulum Lock/Release System X X X
Driving System X X X
Angle Measurement X X X
PLC X X X
Dial Gauge Display X X X
Touch Screen X X X
Full Protection Shield X X X
Servo Motor X X X
Software TestPilot X X
Accessories Span Block
Specimen Centering Block
Centering Tongs
Standard Tools
Anchor Bolts
Wedge Block
X X X
PC Connection RS232 X X
Instrumented Impact System Force Transducer in Pendulum for quick plotting of the force-time graph
Access to more testing parameters on TestPilot software
X
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