→LTTM5/10/20;5kN/10kN/20kN Low temperature Tensile Testing Machine；
→LTTM50/100;50kN/100kN Low temperature Tensile Testing Machine；
→LTTM200/300;200kN/300kN Low temperature Tensile Testing Machine；
→LTTM500/600;500kN/600kN Low temperature Tensile Testing Machine；
Key Functions
→Conduct cryogenic tensile, compression, bending and torsion tests on various metals, alloys, non-metallic materials and composite materials under temperature conditions ranging from -100°C to room temperature for experimental testing and research on their mechanical properties.→ Perform tensile, compression, bending, torsion and shear tests on various metals, non-metallic materials and composite materials at ambient temperature to analyze and study their mechanical properties. →Applicable specimen types: thin sheets, plates, strips, foils, flat bars, wires, rods, profiles, tubes, slices, square, circular, rectangular and annular specimens, pipe section samples, proportional specimens (proportional coefficient k=11.3 or 5.65), non-proportional specimens, full-wall-thickness longitudinal strip specimens, full-wall-thickness transverse strip specimens, rectangular cross-section specimens and circular cross-section specimens.→ Widely applied to rubber, plastics, mechanical parts, electrical & electronic components, electrical instruments, chemical building materials, aerospace, shipbuilding, scientific research institutions and universities.
Main Features
→Equipped with precision backlash-free ball screw. The gantry load frame features large span, high rigidity and excellent stability, with customizable frame dimensions available.→Adopts high-precision force sensor with wide linear range and reliable stability to ensure accurate load measurement.→Driven by high-speed, low-vibration, maintenance-free and low-noise AC servo motor system.→Built-in Ethernet port; equipped with user-friendly handheld controller with instant start-stop function for flexible operation and free mode switching.→Complete series of interchangeable test fixtures for quick replacement; optional accessories include T-slot workbench, anti-rotation fixtures and auxiliary devices, environmental test systems and extensometers.→Standard adjustable test speed range: 0.001 ~ 600 mm/min; high-speed customized versions of 1000 mm/min, 1500 mm/min and 2000 mm/min are optional.→Full-digital closed-loop HRJ-Test measurement & control software with multi-channel, multi-function and user-friendly operation. It supports a full range of test standards including GB, ISO, JIS, ASTM, DIN, BS, EN, covering Chinese National Standard, British Standard, American Standard, German Standard, Australian Standard, Japanese Standard, Italian Standard, Russian Standard and European Standard.→Realizes automatic full-process test control, data acquisition, calculation, analysis, storage and real-time display.→Supports multiple control modes: automatic load holding, stress control, strain control, cyclic control and user-programmable custom control.→Intelligent configuration of control modes enables shock-free and smooth switching between different control logics with stable loading and unloading performance.→Spports test process replay and secondary data analysis; test curves support free zoom-in, zoom-out, comparison and traversal, with automatic full-scale calibration.→The control software adopts modular open programming architecture with personalized customizable parameters.→Standard functional modules: authority management module, test module, motion control module, data analysis module, data query module, report output module, etc.→Built-in operation prompts and step-by-step guide wizard.
Key Specifications:
1. Maximum Test Force: 5 kN, 10 kN, 20 kN, 50 kN, 100 kN, 200 kN, 300 kN, 500 kN, 600 kN
2. Tester Accuracy Grade: Grade 0.5 / Grade 1
3. Load Measuring Range
· Grade 0.5: 0.4% ~ 100% FS (Full Scale)
· Grade 1: 1% ~ 100% FS
4. Relative Indication Error
· Grade 0.5: Within ±0.5%
· Grade 1: Within ±1.0%
5. Test Force Resolution: 1 / 300000 FS (constant resolution over full measuring range)
6. Deformation Measuring Range: 0.2% ~ 100% FS
7. Force Control Rate Adjustment Range: 0.005% ~ 5% FS/s
8. Force Control Rate Accuracy
· When rate ＜ 0.05% FS/s: within ±1% of set value
· When rate ≥ 0.05% FS/s: within ±0.5% of set value
9. Deformation Rate Adjustment Range: 0.005% ~ 5% FS/s
10. Deformation Rate Control Accuracy
· When rate ＜ 0.05% FS/s: within ±1% of set value
· When rate ≥ 0.05% FS/s: within ±0.5% of set value
11. Extensometer System Resolution: 0.001 mm
12. Displacement Speed Adjustment Range: 0.001 ~ 600 mm/min; 0.001 ~ 200 mm/min
13. Displacement Speed Control Accuracy: Within ±0.2% of set value
14. Control Range for Constant Force / Constant Strain / Constant Displacement: 0.5% ~ 100% FS
15. Control Accuracy for Constant Force / Constant Strain / Constant Displacement
· When set value ≥ 10% FS: within ±0.5% of set value
· When set value ＜ 10% FS: within ±1% of set value
16. Crosshead Travel Stroke: 1250 mm, customizable on request
17. Effective Test Span: 510 mm, 610 mm, 660 mm
18. Power Supply (reliable protective earthing required)
· AC 220 V ±10%, 50 Hz
· AC 380 V ±10%, 50 Hz
Low Temperature Environmental Chamber
Multiple structural styles:→split cylindrical type, movable square type, rotary lifting type and combined integrated type. →Matching supporting brackets: height-adjustable lifting bracket, movable adjustable bracket, rotary bracket and combined bracket. →Equipped with intelligent PID temperature regulator, featuring zero temperature overshoot and tiny temperature fluctuation.
