Qinsen QT-30KN Closed-Loop Tensile Testing Machine
| Origin | Shanghai, China |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Origin Category | Domestic (PRC) |
| Model | QT-30KN |
| Price | USD 6,300 (FOB Shanghai) |
| Instrument Type | Universal Mechanical Testing System |
| Max Test Load | 30 kN |
| Load Range | 0.4%–100% FS |
| Load Cell Accuracy | ±0.01% of reading |
| Force Measurement Uncertainty | ≤±0.5% of full scale |
| Crosshead Travel | 800 mm (extendable) |
| Effective Width | 420 mm |
| Displacement Resolution | 0.001 mm |
| Test Speed Range | 0.001–500 mm/min (standard), up to 1000 mm/min optional |
| Temperature Chamber Compatibility | −60 °C to +300 °C (uniform zone) |
| temperature resolution | 0.1 °C |
| Control Mode | Dual-mode — PC-based closed-loop servo control + standalone digital controller |
| Compliance | ASTM E4, E8, E21, ISO 6892-1, GB/T 228.1, JIS Z 2241, DIN 50125 |
Overview
The Qinsen QT-30KN Closed-Loop Tensile Testing Machine is a microprocessor-controlled universal mechanical testing system engineered for high-fidelity static and quasi-static mechanical characterization of metallic, polymeric, composite, elastomeric, and thin-film materials. It operates on a precision servo-motor-driven electromechanical actuation platform with real-time load-displacement feedback, enabling true closed-loop control of force, displacement, or strain rate per ISO 5893 and ASTM E4 standards. The system supports ambient, elevated, and sub-ambient testing when integrated with an optional environmental chamber—providing thermal uniformity across the gauge length per ASTM E2209 requirements. Its modular architecture allows seamless transition between tensile, compression, flexure, peel, tear, shear, puncture, and low-cycle fatigue configurations without hardware reconfiguration.
Key Features
- High-stiffness dual-column frame with preloaded ball screws and precision linear guides, ensuring minimal deflection under 30 kN load and repeatable alignment per ASTM E1012.
- Load cell calibrated to ISO 376 Class 0.5 accuracy (±0.01% of reading), traceable to NIM (China National Institute of Metrology) and optionally NIST-traceable certificates.
- Closed-loop digital PID control algorithm with sampling rate ≥1 kHz, enabling dynamic response stability during transient loading events such as yield point detection or fracture initiation.
- Integrated environmental chamber interface supporting standardized thermal profiles per ISO 6892-2 and ASTM D638 Annex A2; chamber features forced-air convection, thermocouple-based multi-point monitoring, and independent PID tuning for each zone.
- Dual-control redundancy: fully functional standalone operation via front-panel touchscreen controller, plus synchronized PC-based software interface compliant with FDA 21 CFR Part 11 audit trail and electronic signature requirements.
- Mechanical and programmable safety layers: dual-limit switches, overload cutoff (110% FS), emergency stop circuit meeting IEC 60204-1, and automatic crosshead halt upon specimen rupture detection.
Sample Compatibility & Compliance
The QT-30KN accommodates specimens conforming to standard geometries defined in ASTM E8/E8M (tensile bars), ISO 527-2 (plastics), ISO 37 (rubber), and GB/T 1040.1 (general plastics). Grip options include pneumatic wedge grips (0–30 kN), hydraulic self-tightening clamps, and specialized fixtures for film peel (ASTM D903), foam compression (ISO 3386-1), and wire torsion (ASTM E143). All test methods are implemented in accordance with GLP and GMP-aligned validation protocols. System documentation includes IQ/OQ templates, calibration records, and uncertainty budgets aligned with ISO/IEC 17025 requirements for accredited laboratories.
Software & Data Management
Qinsen TestSuite v5.2 provides ISO 17025-compliant data acquisition, real-time curve overlay, automated calculation of modulus, yield strength (0.2% offset), ultimate tensile strength, elongation at break, and reduction in area. Raw data export is available in CSV, XML, and ASTM E1435-compliant .tdms formats. Software supports user-defined test sequences, multi-step ramp-hold cycles, and batch processing with pass/fail logic against configurable limits. Audit trails log all operator actions, parameter changes, and calibration events with time stamps and user IDs—fully compliant with FDA 21 CFR Part 11 and EU Annex 11 for regulated environments.
Applications
- Mechanical qualification of aerospace aluminum alloys (e.g., AA2024-T3) per AMS 4027 and MIL-STD-810H.
- Biocompatibility testing of medical-grade silicone elastomers (ISO 10993-12) under physiological temperature conditions.
- Quality control of lithium-ion battery electrode coatings under controlled humidity and temperature (UN 38.3 thermal cycling simulation).
- Failure analysis of automotive thermoplastic composites (PP+GF) per SAE J2231 and VW PV3925.
- Research-grade cyclic loading of shape-memory polymers (SMPs) with strain-controlled low-cycle fatigue protocols (ASTM D3479).
FAQ
What standards does the QT-30KN support out-of-the-box?
It natively implements test routines for ASTM E8, ISO 6892-1, GB/T 228.1, JIS Z 2241, and DIN 50125—with optional modules for ASTM D638, ISO 527, and ISO 37.
Can the system operate without a PC?
Yes—the embedded controller enables full test execution, data capture, and result display independently of external computers.
Is third-party calibration certification included?
A factory calibration certificate per ISO/IEC 17025 is provided; NIST-traceable certification is available as an add-on service.
What is the warranty coverage and service response time?
Standard warranty is 12 months parts-and-labor; extended service plans include on-site preventive maintenance and 4-hour remote diagnostics SLA.
Does the system support integration with LIMS or MES platforms?
Yes—via OPC UA and RESTful API interfaces, supporting bidirectional data exchange with LabWare LIMS, Thermo Fisher SampleManager, and Siemens Opcenter.
