Tear Tester SLD-01

SLD-01 tear tester is a standard test for determining the tear resistance which is named after its inventor, Armin Elmendorf. The Elmendorf test determines the average force required in grams or mN to tear a sample after the tear has been started. In conducting the test, one or more sheets are torn through a fixed distance by means of a pendulum. The effort expended in tearing is measured by the loss of potential energy of the pendulum.

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Tear resistance is one of the important mechanical parameters of material. Tear resistance (or tear strength) is a measure of how well a material can withstand the effects of tearing. It is a useful engineering measurement for a wide variety of materials by many different test methods.

Test Principle

Acting by gravity, the pendulum is released to propagate the slit through the remaining 43mm. The energy loss by the pendulum is used to calculate an average tearing force.

SLD-01 tear tester has below technical features. It uses PLC control and HMI (human-machine interface) touch screen. The industrial class design ensures its stability and long service life.

1. PLC technology and human-machine interface.
2. Wide test range for different materials
3. Pneumatic specimen clamping
4. Pendulum automatic release
5. Data auto statistics, storage
6. Microprinter
7. RS 232 port and professional software(optional)

Item	Parameters
Pendulum Capacity	200, 400, 800,1600, 3200,6400gf
Gas Source	0.6MPa
Tear Arm	104±1mm
Tearing Initial Angle	27.5 ±0.5°
Control	PLC and HMI touch screen
Output	Screen, microprinter, RS 232（optional）
Power	110~220V