NG-EML Series D – Floor Standing Universal Testing Machine (50 kN – 1000 kN)

• Rubber, elastomers, and soft polymers (ASTM D412, ISO 37)
• Engineering plastics and reinforced composites (ASTM D638, ISO 527, ISO 604)
• Metal sheets, rods, and wires including high-strength steels (ASTM E8, ISO 6892-1, GB/T 228)
• High-temperature alloys and prepregs (ASTM E21, ISO 7500)
• Biodegradable plastics and flexible polymers (ISO 1184)
• Flexible electronics and printed substrates
• Structural materials and components tested at elevated loads and temperatures
• Samples requiring advanced strain-rate control or waveform-driven testing procedures

• High-resolution position feedback: Integrated photoelectric encoder supports precise displacement tracking, with resolution as low as 0.0095 µm depending on model.
• Closed-loop control: 1200 Hz sampling/control frequency with six 24-bit analog channels and three high-speed digital channels supports real-time force, displacement, and strain control.
• Waveform testing capability: Supports sine and trapezoidal waveform generation for cyclic and advanced test procedures.
• Integrated safety protection: Includes 103% overload protection, mechanical stroke limits, software-defined safety thresholds, collision detection, and emergency stop logic.
• GenTest™ software: Includes ASTM, ISO, GB/T, and EN method templates, guided setup, recalculation, customizable reports, live graphing, and multi-language support.
• Flexible system integration: Compatible with extensometers, video extensometers, environmental chambers, pneumatic grip modules, strain gauges, USB/Ethernet communication, and external DAQ workflows.
• Standard handheld controller: A 3.5-inch touchscreen handset provides crosshead jog, fine positioning, grip control, return-to-origin, and live system feedback.

• Multi-channel signal acquisition: The controller includes six 24-bit analog input channels and three high-speed digital input channels for extensometers, encoders, grating rulers, strain gauges, temperature sensors, and external signals.
• High-speed digital input: Digital channels support pulse signal acquisition up to 4 MHz for compatible position or external measurement devices.
• Integrated protection logic: Embedded firmware monitors voltage, current, overload, motor temperature, and displacement limits. Hardware and software emergency stop logic help protect the system during abnormal conditions.
• Standard handheld controller: A 3.5-inch color touchscreen handset with silicone buttons and rotary control wheel supports crosshead jog, test start/stop, return-to-origin, grip open/close when equipped, and specimen protection during setup.

• Preloaded ball screws: Precision preloading reduces backlash and supports consistent axial force transmission during tensile, compression, flexural, and cyclic tests.
• High-resolution position feedback: The integrated servo motor encoder provides real-time crosshead position tracking for accurate displacement control.
• Stable measurement geometry: Load cell mounts, actuator couplings, and crosshead interfaces are designed to reduce mechanical clearance and improve repeatability during modulus, yield, peak load, and tensile failure measurements.

The NG-EML Series D uses a servo direct-drive system with high-rigidity synchronous belt transmission to provide smooth motion, reduced backlash, and stable control under high-force loading.

• Capacity-based crosshead speeds: Maximum crosshead speed reaches up to 850 mm/min on 50-100 kN models and up to 300 mm/min on the 1000 kN model, depending on frame capacity.
• Fast return movement: Return speeds reach up to 1200 mm/min, helping reduce idle time between tests.
• Ultra-low speed control: Minimum test speed down to 0.00005 mm/min supports low strain-rate testing, creep, stress relaxation, and high-temperature tensile procedures.
• Strain-rate control: The system supports high-temperature tensile strain rates as low as 0.00007 s⁻¹ where required by the test method and configuration.
• Smooth acceleration profiles: Controlled acceleration and deceleration support ramp, hold, and waveform-based test sequences.

• Capacity-based crosshead speeds: Maximum crosshead speed reaches up to 850 mm/min on 50-100 kN models and up to 300 mm/min on the 1000 kN model, depending on frame capacity.
• Fast return movement: Return speeds reach up to 1200 mm/min, helping reduce idle time between tests.
• Ultra-low speed control: Minimum test speed down to 0.00005 mm/min supports low strain-rate testing, creep, stress relaxation, and high-temperature tensile procedures.
• Strain-rate control: The system supports high-temperature tensile strain rates as low as 0.00007 s⁻¹ where required by the test method and configuration.
• Smooth acceleration profiles: Controlled acceleration and deceleration support ramp, hold, and waveform-based test sequences.

• Emergency stop circuit: Integrated emergency stop controls allow operators to immediately halt machine motion.
• Sensor range protection: Force, displacement, and extensometer channels are monitored to prevent operation outside calibrated ranges.
• Handheld console safeguards: The Handset V3.0 includes grip lockout, overload prevention, and return-to-origin functions to reduce setup errors and accidental movement.
• Optional safety shield: An enclosed aluminum/polycarbonate shield with door-locking mechanism and software-linked interlock restricts machine movement when opened.

• Service access: A pull-out controller module and removable outer covers allow easier inspection of belts, motors, sensors, and electronics.
• Flexible operation: Operators can run the system through the host PC, 3.5-inch handheld controller, or optional industrial touchscreen PC.

Precision Load Frame

• Linear guide system: Reinforced guidance columns with self-lubricating linear guides help maintain straight, low-friction crosshead movement under high loads.
• 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 resolution as low as 0.0095 µm depending on model.

Load Cell Assembly

• High-precision load cells: Load cells provide stable, linear force measurement across the rated capacity range.
• Bidirectional testing: The system supports tensile and compression testing without mechanical reconfiguration.
• TEDS auto-recognition: IEEE 1451.4-compliant TEDS chips enable automatic load cell recognition and reduce manual setup errors.
• Load cell protection: Built-in safeguards help protect against overload, shock loading, and lateral force damage.
• Self-verification and temperature range: Internal verification procedures are supported, with load cell operation rated from −55°C to +90°C.

Signal Acquisition and Control Feedback

• Closed-loop feedback control: PID-based control manages force, displacement, and strain during changing material behavior and loading conditions.
• Smooth control transitions: The system supports controlled switching between force, displacement, and strain control modes for low-speed, creep, relaxation, and multi-stage procedures.
• Waveform control: Sine and trapezoidal waveform generation support cyclic and advanced test procedures.
• Multi-channel acquisition: Six synchronized 24-bit analog channels and three high-speed digital channels support extensometers, strain gauges, temperature sensors, encoders, and external signals.

Live Data Visualization and Graphing

• Live Graphing: Real-time display of force-displacement, stress-strain, and time-based curves. Updated continuously at 1200 Hz sampling rate.
• Advanced Analysis: Includes zooming, panning, axis scaling, and overlay of multiple sample curves for comparative analysis.
• Export Formats: Raw data and graphs can be exported in CSV, Excel, PDF, PNG, and SVG formats for external analysis and documentation.

Handheld Remote Controller - Included as Standard

The standard magnetically mountable handheld controller includes a 3.5-inch 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 equipped, 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™ 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.
• Peripheral connectivity: USB ports support data export, printer connection, barcode scanning, and other peripheral devices.

Test Methods and Standards

The software includes preloaded templates for GB/T, ASTM, ISO, and EN standards, organized by application type for tensile, compression, flexural, cyclic, and custom test procedures.

Custom test sequences can be built using ramp, hold, waveform, trigger-based actions, and defined acquisition settings.

Live Data and Graphing

Operators can monitor force, displacement, strain, stress, time, test progress, control modes, and active steps during testing.

Graphing tools support force-displacement, stress-strain, and time-based curves with zoom, axis scaling, curve overlays, and post-test review.

Accessory and Device Integration

GenTest™ integrates with compatible extensometers, video extensometers, thermal chambers, pneumatic grip controllers, temperature controllers, strain sensors, and other external devices.

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

Reporting and User Management

The software supports automatic calculations, post-test recalculation, batch comparison, and export of raw data and processed results.

Custom reports, test logs, multi-language switching, permission levels, and operator access controls support traceability in R&D, quality control, training, and production environments.