Information on the most widely used ASTM standards within the materials testing industry
Model: XJL-300, ISO 3127, ASTM D2444, UL 651, DIN-EN 744, BS-EN 1411
XJL-300 Series Falling Hammer Impact Tester mainly used to execute falling hammer impact test for pipe plastic, can pre-set the falling height, prevent wrong second time impact, digital display and auto zero. Falling Hammer Impact Tester/ Drop weight impact test (ISO 3127, ASTM D2444, UL 651, DIN-EN 744, BS-EN 1411)
Automatic falling hammer impact tester adopt micro processor control, avoid secondary impact, can preset impact height, automatically hang the hammer, automatically lift hammer to set height position etc.,
General Introduction
XJL-300 Series Falling Hammer Impact Tester mainly used to execute falling hammer impact test for pipe plastic, can pre-set the falling height, prevent wrong second time impact, digital display and auto zero. Falling Hammer Impact Tester/ Drop weight impact test (ISO 3127, ASTM D2444, UL 651, DIN-EN 744, BS-EN 1411)
Standard: ISO 3127, ASTM D2444, DIN-EN 744, BS-EN 1411
Key features:
1, Automatic falling hammer impact tester adopt micro processor control, avoid secondary impact, can preset impact height, automatically hang the hammer, automatically lift hammer to set height position etc.,
2, Conforms to ISO 3127, ASTM D2444, DIN-EN 744, BS-EN 1411.
3, Equipped with digital display meter to indicate the real time test result like impact height etc.

Other Name:
drop impact tester, Falling impact teseter, Falling weight impact tester, plastic pipe drop impact testing machine, falling weight impact testing equipment.
Features
1, Automatic falling hammer impact tester adopt micro processor control, avoid secondary impact, can preset impact height, automatically hang the hammer, automatically lift hammer to set height position etc.,
2, Conforms to ISO 3127, ASTM D2444, DIN-EN 744, BS-EN 1411.
3, Equipped with digital display meter to indicate the real time test result like impact height etc.
4. Automatic personal safeguards are provided, including specimen door, anti-shock and striker window. safeguard etc. It confirms to 89/392/EEC.
5. Impact height can be set between 50mm and 2000mm at random, with anti-rebound device.
6. Imported servo motor ensures high lifting speed and enhances test efficiency.
7. Combined impact striker, user can adjust the mass of striker by extra weight.
8. Combined V block is suitable for pipes with various diameters and sheet plates with different thickness.
9. Unique design for falling tube with air-bleed hole ensures the energy loss within 2%.
ISO 3127: Thermoplastics pipes -- Determination of resistance to external blows -- Round-the-clock method
ASTM D2444: Standard Test Method for Determination of the Impact Resistance of Thermoplastic Pipe and Fittings by Means of a Tup (Falling Weight).
UL 651, DIN-EN 744, BS-EN 1411
Main parameters
| Model | XJL-300 |
| Hammer weight | 0.250—16.000kg (0.125 increment) |
| Working bench stroke | 0—400mm (630mm) |
| Specimen diameter | φ10—φ400mm (more big is available) |
| Radius of hammer head | D25, D90 |
| Impact height | 2000mm |
| Height position error | ±2mm |
| Power | 220V, 50HZ |
| Display type | Digital display |
| Dimensions | 700mm×700mm×3300mm |
| Weight | 450Kg |
| Standard Accessories | Loadframe, Electronic control box, hammer block, power cord, manual etc. |
Main accessories
Loadframe,
Dart head,
weight unit,
tools,
power cord,
manual etc.
Standard
ISO 3127 Thermoplastics pipes -- Determination of resistance to external blows -- Round-the-clock method
ISO 3127 specifies a method for the determination of the resistance to external blows of thermoplastics pipes of circular cross-section; it is called the round-the-clock method.
It is applicable to isolated batches of pipe tested at 0 °C (information is also given for sampling from the continuous production of pipe).
Test pieces are subjected to blows from a falling striker, of specified mass and shape, dropped from a known height onto specified positions around the circumference of the test piece. The true impact rate of the batch, or production run from an extruder, is estimated.
Commonly the impact height 2000mm, impact hammer 6.3kg, 9.1kg, 13.6kg.
ASTM D2444 test method covers the determination of the impact resistance of thermoplastic pipe and fittings under specified conditions of impact by means of a tup (falling weight). This method is applicable to isolated batches of pipe tested at 0 °C (information is also given for sampling from the continuous production of pipe).
EN 1411 specifies a standardized laboratory procedure to evaluate the impact toughness of thermoplastic pipes. Unlike pass/fail tests, this method statistically determines the H₅₀ value—the estimated height of fall that causes a 50% failure rate in a batch of pipes.
EN 744 specifying the round-the-clock falling-weight impact method to evaluate the resistance to external blows of circular cross-section thermoplastics pipes. It's a standardized procedure to determine the ability of thermoplastic pipes to withstand external impacts without failing.
ASTMD5628 specifies a falling‑dart/tup method to measure the threshold impact‑failure energy for flat rigid plastics. It uses the Bruceton Staircase (Up‑and‑Down) Method to determine the energy causing 50% of specimens to fail (mean‑failure energy, MFE).
ISO 6603-1 specifies falling-dart methods to measure the puncture‑impact performance of rigid plastics using only the 50% impact‑failure energy (E₅₀) threshold, without recording force–time or force–deflection curves.
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