NG-EML Series A – Single Column Bench Top Universal Testing Machine (50 N – 5 kN)

• Preloaded precision ball screws: Axial preloading reduces backlash and supports consistent force transmission during tensile, compression, cyclic, and dynamic tests.
• Linear motion guidance: Dual guide rails with precision bearings maintain coaxial alignment and reduce lateral movement across the full stroke range.
• GenTest™ software: Pre-installed software includes ASTM, ISO, GB/T, EN, DIN, and BS method templates, guided setup, automatic calculations, real-time graphs, reporting tools, and user access control.
• Digital closed-loop control: 24-bit controller with 1200 Hz acquisition enables force, displacement, and strain control using optimized PID algorithms. The system supports ISO 7500-1 Class 0.5 and ASTM E4 requirements.
• Automated safety monitoring: Real-time checks cover crosshead travel, 103% overload protection, system voltage, and motor temperature. Emergency stop functions and programmable stroke limits are built into both hardware and software.
• Modular accessories: Compatible with manual, pneumatic, and hydraulic grips; clip-on, laser, and video extensometers; environmental chambers; and torsional fixtures through a modular plug-in interface.
• Optional safety enclosure: Transparent protective shields with interlock logic help contain specimen debris and stop system movement when opened.

• Sampling and acquisition: The system provides 1200 Hz closed-loop sampling with synchronized acquisition of force, displacement, and extensometer signals. A six-channel 24-bit analog input module supports accurate real-time measurement and control.
• Integrated protection logic: Embedded firmware continuously monitors voltage, current, overload conditions, motor temperature, and crosshead position. Hardware and software emergency stop functions are built into the system.
• Handheld remote console: A standard 3.5-inch full-color touchscreen controller with silicone keypad and rotary dial allows local operation, including test start/stop, grip actuation, crosshead movement, fine positioning, return-to-origin, and overload protection.
• Optional standalone control: An industrial touchscreen PC can be mounted directly on the machine frame, allowing full test operation without an external computer. This setup is useful for educational labs, mobile systems, and multi-station environments.

• Preloaded ball screws and linear guides: Axial preloading reduces backlash, while dual guide rails help maintain coaxial movement across the full stroke range.
• Direct-drive servo transmission: The system uses a servo motor with a high-rigidity synchronous belt instead of a traditional gear reducer, improving mechanical efficiency and reducing transmission backlash.
• High-speed crosshead movement: The crosshead supports test speeds up to 2400 mm/min and return speeds up to 3000 mm/min, helping reduce cycle time in routine testing.
• Controlled low-speed operation: Optimized acceleration and servo control support slow, stable movement for sensitive procedures such as modulus testing, creep, stress relaxation, and multi-stage loading.

• Emergency stop circuit: Integrated emergency stop buttons allow the operator to immediately interrupt machine motion.
• Sensor range monitoring: Force, displacement, and extensometer channels are monitored in real time to prevent overrange input and avoid distorted test data.
• System diagnostics: Built-in diagnostic routines support routine system checks and help identify setup or sensor issues before testing.
• Handheld controller safeguards: The remote console includes grip lockout, overload prevention, and return-to-origin safeguards to reduce the risk of accidental movement during setup.

Optional Protection Shield

An optional enclosed safety shield is available with an aluminum alloy frame and high-impact polycarbonate panels. The shield helps contain specimen fragments during failure and improves operator protection during routine or higher-risk tests.

The shield includes a door-locking mechanism and software-linked interlock. When the door is open, machine movement is restricted to reduce the risk of operator injury.

• Automatic reporting: Built-in calculations for parameters such as modulus, yield strength, tensile strength, and peak load support routine documentation and quality reporting.
• Modular accessory integration: Grips, fixtures, extensometers, and environmental chambers connect through modular interfaces for faster setup and accessory changes.
• Accessible maintenance design: The slide-mounted controller module and removable protective panels allow easier inspection and servicing of belts, motors, sensors, and electronic components.
• Flexible control options: Operators can run the system through the standard handheld console, host PC, or optional frame-mounted industrial touchscreen PC.

Linear Motion and Drive System

• Linear guide system: Dual linear guide rails with precision bearings help maintain straight, low-friction crosshead travel and reduce off-axis movement during displacement- and strain-sensitive tests.
• Synchronous belt drive: The direct-drive servo system uses a high-rigidity synchronous belt for smooth power transmission, low vibration, and reduced mechanical backlash.
• Optical encoder feedback: An integrated photoelectric encoder provides real-time crosshead position feedback with 0.0133 µm resolution.

Load Cell Assembly

• Factory-calibrated load cells: Each system is supplied with calibrated load cells designed for high stiffness, low signal drift, and linear response across the rated force range.
• Tension and compression testing: Load cells support bidirectional measurement for tensile and compression tests without mechanical reconfiguration.
• TEDS auto-recognition: IEEE 1451.4-compliant TEDS chips allow automatic load cell recognition and reduce manual setup errors.
• Load cell protection: Overload logic and mechanical safeguards help protect the sensor from shock loading, side forces, and improper specimen failure.
• Environmental compatibility: Load cells are rated for operation from −55°C to +90°C, supporting use with compatible environmental chambers.

Closed-Loop Controller

• Closed-loop control: The controller uses PID-based feedback control to manage force, displacement, and strain during changing material behavior and loading conditions.
• Smooth motion profiles: Controlled speed ramps help maintain stable crosshead movement during both low-speed procedures and faster test sequences.
• Multi-channel acquisition: Six synchronized analog channels and digital inputs allow integration of load, displacement, extensometer, temperature, and strain signals.
• Real-time monitoring: The system monitors voltage, temperature, and sensor status to support safe operation during longer or repetitive test protocols.

Live Data Visualization and Graphing

GenTest™ software displays synchronized force-displacement, stress-strain, and time-based curves during each test, with real-time updates from the 1200 Hz acquisition system.

• Real-time graphing: Test curves are updated during acquisition, allowing operators to monitor force, displacement, strain, stress, and time-based behavior as the test runs.
• Custom chart views: Operators can adjust chart layouts, axis scaling, zoom windows, and curve overlays for easier review and comparison.
• Result markers: Yield points, breakpoints, modulus regions, offsets, and extensometer triggers can be marked and labeled during or after testing.
• Multiple curve overlays: Batch results can be displayed on a single graph to compare sample consistency, detect outliers, and review repeatability.
• Data and chart export: Raw data and charts can be exported in CSV, Excel, PDF, PNG, and SVG formats.

Handheld Remote Controller – Included as Standard

The standard magnetically mountable handheld controller includes a 3.5-inch full-color touchscreen, silicone-coated buttons, and a fine-resolution rotary dial for local machine operation.

• Manual positioning: Operators can jog the crosshead, fine-tune specimen alignment, and return the crosshead to its home position.
• Live system feedback: Force, displacement, and machine status are displayed directly on the handheld screen.
• Core control functions: The controller supports start/stop, crosshead movement, return-to-origin, grip open/close control when pneumatic grips are installed, and specimen protection during setup.
• Flexible operation modes: The remote can operate directly through the controller or as a PC-synchronized input device during software-guided workflows.

Optional Industrial Touchscreen PC

An optional frame-mounted industrial touchscreen PC allows the machine to operate without an external desktop or laptop.

• GenTest™ software access: The touchscreen PC can run the full GenTest™ software environment, including method libraries, custom test sequences, live graphing, data analysis, and report generation.
• Touch-based operation: Operators can review graphs, test results, settings, and sequence controls directly on the mounted screen.
• Industrial build: The unit can include a sealed surface, shock-resistant housing, and optional vibration isolation mounts for use in lab or production environments.
• Peripheral connectivity: USB ports support data export, printer connection, barcode scanning, and other peripheral devices.

Optional Pneumatic Grip Control Module

For systems equipped with pneumatic grips, an optional digital pressure control module allows operators to manage grip force and actuation from the machine interface.

• Pressure adjustment: Operators can set clamping pressure to match specimen requirements and reduce the risk of slippage or specimen deformation.
• Dual grip control: Upper and lower pneumatic grips can be controlled independently for loading, alignment, and release.
• Safety logic: Grip actuation is restricted unless the system is in a safe operating state. Pressure locking and relief functions help maintain controlled grip operation during setup and test start.
• Compact installation: The module can be mounted near the test frame or integrated on the machine, with quick-connect fittings for faster grip changes.
• Status feedback: Pressure and grip status indicators help operators confirm setup conditions before testing.

Test Methods and Standards

The software includes preloaded method templates for commonly used GB/T, ASTM, ISO, and EN standards. Test methods are organized by application type, making it easier to select the correct setup for tensile, compression, flexural, cyclic, and custom test procedures.

Users can also create customized test sequences with step-based control, including ramp, hold, waveform, trigger-based actions, and defined acquisition strategies.

Real-Time Test Control and Data Display

GenTest™ displays live force, displacement, strain, stress, time, and accessory data during testing. Operators can configure up to 12 real-time data channels, adjust units and display formats, and monitor test progress, control modes, cycle status, and active test steps.

The software also supports real-time graphing with zoom, axis scaling, curve overlays, and interactive review tools for force-displacement, stress-strain, and time-based curves.

Accessory and Device Integration

The software integrates with compatible grips, extensometers, thermal chambers, pneumatic grip controllers, temperature controllers, strain sensors, and other external devices.

Accessory settings can be linked directly to the test workflow, allowing operators to control fixture pressure, chamber conditions, extensometer behavior, and peripheral actions as part of the test sequence.

Data Analysis, Reporting, and User Management

GenTest™ supports automatic calculations, post-test recalculation, inter-test and batch comparison, and one-click export of raw data and processed results.

Reports can be customized by content, format, layout, and export type. Built-in logging records test parameters, system states, user actions, and abnormal events for traceability.

Multi-language switching, permission levels, and operator access controls support use across international labs, training environments, and production quality systems.