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1.Brief Description
JPL micro-computer tensile testing machine is an economic and practical instrument that represents sophisticated technolo-gies,high-level automation and high precision.It can match computerized universal testing machines in terms of function.It has microcomputer control and data processing,automatic tracing of stretch,automatic printing of test tesults and color pictures,Chinese display and frequency control.It is fit for tensile ,compression ,peel,shear and adhesive test for metallic and non-metallic materials like rubber,plastecs,canvas,cord thread,steel wires,copper materi-als,pipes,electrical wires and cables,etc.The pull test produces the following results;tensile strength,briading strength,yield point strength,fixed tensile strength,max.elongation,elongation at fixed load,etc.
2.Technical data:
(1)Tension speed range:5～500mm/min
(2)Max.journey of clamping device:900mm(Column Style) 700mm(Gantry style)
(3)Measuring range of automatic tracing for elongation:Column Style 870mm Gantry style 670mm
(4)Tolerance of automatic tracing of elongation:1% of display
(5)Voltage:～220V±10 50Hz
(6)Dimensions:Column Style 600×450×1900 Gantry style:700×600×1400
(7)Weight:Column Style:230kg Gantry style:180kg
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3.Characteristics
(1)Automatic reset:after the test instructions are controlled by the computer,the system will have automatic reset;
(2)Automatic stop:test will stop the moment when the sample is broken;
(3)Gear shift:four gear shifts,namely total measuring range× gear1,×gear0.75,×gear0.5,×gear0.25;
(4)Automatic speed change:test speed may follow the initial arrangement during test or be freely accord-ing to specific requirements;
(5)Verification of values displayed:systen may determine the force value accurately;
(6)Display method:data and curve may be printed directly;
(7)Choice of curve:one group of curve or one curve may be selected;
(8)Limit protection:Automatic limit protection;
(9)Overload protection:automatic stop on overload;
(10)Multiple purposes:different sensors equipped for multiple purposes.
4.Accuracy of differentiation and system precision
| Measuring range/n |
Accuracy of differentiation/N |
System precision/% |
| 0-100、300、500 |
0.001 |
<0.5 |
| 0-1000 |
0.01 |
<0.5 |
| 0-2500 |
0.1 |
0.5 |
| 0-5000 |
0.1 |
0.5 |
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