JB-125 Universal Tensile Testing Machine by Jiubin Instruments
| Brand | Jiubin Instruments |
|---|---|
| Origin | Shanghai, China |
| Model | JB-125 |
| Load Capacity | 0–200 kg (user-selectable) |
| Force Accuracy | ±0.5% of full scale |
| Effective Test Width | 380 mm |
| Max. Travel Distance | 900 mm |
| Test Speed Range | 0.001–500 mm/min (infinitely variable) |
| Displacement Resolution | 1/200,000 |
| Displacement Accuracy | ±0.005% of reading |
| Drive System | Servo motor (Japan-made) + AC motor (Taiwan-made) |
| Mechanical Transmission | High-precision preloaded ball screw (Taiwan-made) and high-strength zero-backlash lead screw (Korea-made) |
| Load Cell | High-accuracy strain-gauge load cell (USA-made) |
| Safety Features | Upper/lower mechanical limits, emergency stop button |
| Display Interface | Dual-mode — PC-based software + embedded microcomputer display |
| Power Supply | 220 V, 50 Hz |
| Net Weight | 180 kg |
| Dimensions (W×D×H) | 450 × 450 × 1200 mm |
| Unit Options | g, kg, N, kN, lb, lbf |
Overview
The JB-125 Universal Tensile Testing Machine is an electromechanical static testing system engineered for precision mechanical property evaluation of polymeric, elastomeric, metallic, and composite materials. Based on the fundamental principles of uniaxial force-displacement measurement under controlled strain or stress rates, the JB-125 complies with core international test standards including ASTM D638 (tensile properties of plastics), ASTM D412 (vulcanized rubber), ISO 527-1/-2, ISO 37, and GB/T 1040. Its modular architecture supports standardized test configurations—tensile, compression, three-point bending, peel, shear, and tear—enabling consistent, repeatable quantification of yield strength, ultimate tensile strength, elongation at break, modulus of elasticity, and Poisson’s ratio across R&D labs, QC departments, and contract testing facilities.
Key Features
- High-fidelity dual-sensor architecture: A U.S.-sourced precision strain-gauge load cell (±0.5% FS accuracy) coupled with a 1/200,000-resolution encoder ensures traceable force and displacement data acquisition.
- Multi-speed actuation system: Infinitely variable speed control from 0.001 to 500 mm/min, with dedicated low-speed range (0.001–5 mm/min) for creep and relaxation studies and high-speed capability (5–500 mm/min) for dynamic compliance testing.
- Rigid mechanical frame: Constructed with Taiwan-sourced preloaded ball screws and Korea-sourced zero-backlash lead screws, minimizing axial play and ensuring long-term dimensional stability under cyclic loading.
- Dual-display operation mode: Real-time test monitoring via both embedded microcomputer interface (for standalone operation) and Windows-compatible PC software (for advanced analysis and reporting).
- Comprehensive safety integration: Dual mechanical end-limit switches, redundant emergency stop circuitry, and automatic load cutoff upon specimen failure protect both operator and instrumentation.
- Modular fixture compatibility: Standardized T-slot crosshead and base plate accommodate interchangeable grips—including pneumatic, wedge, vise, and custom-designed fixtures—for films, fibers, molded parts, adhesives, and elastomer strips.
Sample Compatibility & Compliance
The JB-125 accommodates specimens up to 380 mm wide and 900 mm in active travel length, supporting standard dumbbell-shaped plastic bars (ASTM D638 Type I–V), cured rubber strips (ASTM D412), wire-and-cable assemblies, textile laminates, and thin-film substrates. All hardware and firmware are designed to meet ISO/IEC 17025 documentation requirements for accredited testing laboratories. Software logs include time-stamped audit trails, user-access controls, and electronic signatures compliant with FDA 21 CFR Part 11 when configured with optional validation packages. Calibration certificates conform to ISO 7500-1 Class 1 verification protocols.
Software & Data Management
The included Windows-based testing software provides real-time curve plotting (force vs. displacement, stress vs. strain), automated peak detection, modulus calculation (secant, tangent, chord), and multi-curve overlay for batch comparison. Raw data export is supported in CSV, Excel (.xlsx), and universal XML formats. Users may define custom report templates aligned with internal SOPs or external regulatory submissions (e.g., ISO 9001, IATF 16949). Optional modules include GLP-compliant audit trail logging, password-protected method libraries, and networked database synchronization for centralized QA oversight.
Applications
- Plastics: Determination of tensile strength, elongation, and Young’s modulus for thermoplastics (PP, PE, ABS, PC), thermosets (epoxy, phenolic), and biopolymers (PLA, PHA).
- Elastomers: Characterization of vulcanized rubber compounds per ASTM D412—tensile set, breaking energy, and hysteresis loop analysis.
- Adhesives & Coatings: Peel strength (90° and 180°), lap shear, and tack testing per ASTM D903 and ISO 8510.
- Textiles & Nonwovens: Burst strength, seam slippage, and yarn tenacity evaluation using specialized clamping geometries.
- Electrical Components: Mechanical integrity testing of insulated wires, connector housings, and PCB substrates under thermal cycling preconditioning.
FAQ
Does the JB-125 support ASTM and ISO-compliant test methods out of the box?
Yes—the system includes preconfigured test templates for ASTM D638, D412, D882, ISO 527, ISO 37, and GB/T 1040, with auto-calculated parameters and pass/fail thresholds aligned to standard tolerances.
Can test data be exported for third-party statistical process control (SPC) platforms?
All raw and processed data export directly to CSV and Excel formats, enabling seamless integration with Minitab, JMP, or enterprise MES/QMS systems.
Is calibration traceability provided with the instrument?
Each unit ships with a factory calibration certificate traceable to NIM (National Institute of Metrology, China) and optionally available with ISO/IEC 17025-accredited calibration upon request.
What is the warranty coverage and service response time?
Jiubin Instruments offers a 24-month parts-and-labor warranty; technical support is available via remote diagnostics, and field service response is guaranteed within 5 business days for major markets.
Are software updates and firmware patches provided post-purchase?
Yes—registered users receive free lifetime software updates, including new test method implementations and security patches, delivered through secure download portal access.

