AMETEK LLOYD LS1 Plus Material Testing Machine
AMETEK LLOYD AMETEK LLOYD LS1Plus Material Testing Machine Material Testing Machine is a high-performance single-column material testing machine belonging to the LS+ Series, engineered to address complex material testing demands across production, quality control, education, and research sectors. Renowned for its exceptional load measurement accuracy and rapid data acquisition, the AMETEK LLOYD LS1Plus Material Testing Machine excels in evaluating key mechanical properties of materials—such as tensile strength, compressive resistance, and fatigue performance—making it a staple in labs and manufacturing facilities worldwide. Its robust single-column frame minimizes lateral loading on test specimens, ensuring force is applied axially for reliable results, while the servomotor-driven ball screw system enables precise crosshead control across a wide speed range. Complemented by the user-friendly NexygenPlus 4 software—equipped with pre-programmed standard test setups and customizable procedures—the AMETEK LLOYD LS1Plus Material Testing Machine balances advanced functionality with ease of use, catering to both novice operators and experienced researchers. This comprehensive overview covers the AMETEK LLOYD LS1Plus Material Testing Machine’s safety protocols, key components, setup processes, technical specifications, testing principles, and support resources, ensuring users can operate the machine safely and effectively.
Safety Protocols: Mitigating Risks for Secure Operation
Safety is foundational to the AMETEK LLOYD LS1Plus Material Testing Machine’s design, and strict adherence to the operation manual’s warnings is mandatory to prevent injuries (eg, pinch/crush, electrical shock) and equipment damage. A critical guideline is single-operator use—multiple personnel controlling the system increases the risk of accidental crosshead movement, which can lead to severe pinch or crush injuries. Before accessing the hazard area between grips or fixtures, operators must confirm no other individuals can manipulate the computer or system controls.
Electrical safety measures are equally vital. All cables—especially transducer cables—must be protected from damage or disconnection; broken cables can cause “open-loop” conditions, where the actuator or crosshead moves uncontrollably to its extreme positions. Cables should never be routed across floors without protection (eg, cable ramps) or suspended overhead under strain; padding is required where cables bend around corners or pass through wall openings to avoid chafing. Additionally, operators must disconnect the mains power before removing electrical covers or replacing fuses, and covers must be refitted immediately after maintenance to eliminate electric shock risks.
The Emergency Stop Button is a critical fail-safe: pressing it cuts power to the motor drive, stopping hazardous movements instantly. To reactivate the system, the button must be turned clockwise a quarter turn—operators must resolve the unsafe condition (eg, specimen breakage, unexpected movement) before resetting it. The Safe Line Button, located on the frame’s left side, initially illuminates to indicate the crosshead motor circuit is ready but not energized. Pressing it turns off the light, signaling the machine is operational; operators must ensure the button is illuminated and the machine is stationary before reaching into the crosshead area.
Extreme temperature hazards (eg, tests above 60°C/140°F or below 0°C/32°F using ovens or cryogenic chambers) require protective clothing (eg, heat-resistant gloves), and warning notices must be displayed to alert nearby personnel. Flying debris risks arise from incorrectly installed specimens—operators must center specimens in grip jaws, insert them to the recommended depth (66–100% of jaw depth, per grip documentation), and use alignment devices to prevent slippage. Poorly secured specimens can cause grip components to break, with high-energy ejection of fragments posing a danger to operators and bystanders.
Other safety considerations include: setting operational limits (upper/lower crosshead travel, maximum force/strain) before testing to protect the machine and specimen; keeping the work area clean and debris-free (with the machine stationary and specimens unloaded during cleaning); ensuring adequate lighting and a distraction-free environment; and avoiding offline computer control switching unless manual settings prevent unexpected movement. The AMETEK LLOYD LS1Plus Material Testing Machine weighs 52 kg (115 lb) for the standard model and 62 kg (137 lb) for the extended-travel version—manual lifting requires at least two people (grasping the aluminum base plate, not the plastic cover), while pallet-mounted units need a forklift. Finally, user-performed maintenance is prohibited; all service needs require contacting AMETEK directly to avoid voiding warranties and causing equipment damage.
Key Components and System Overview: Design for Accuracy and Versatility
The AMETEK LLOYD LS1Plus Material Testing Machine’s design integrates mechanical precision, advanced sensing, and software control to deliver consistent, reliable testing results. At its core is a high-stiffness single-column frame, which resists lateral deflection during testing—this ensures the applied force acts axially on the specimen, eliminating errors in load cell readings caused by side loading. The frame’s rigidity is particularly critical for low-force tests (eg, on delicate plastics or textiles), where even minor lateral movement can skew results.
The crosshead—responsible for applying force to specimens—is driven by a precision ball screw and high-performance servomotor. This combination enables a speed range of 0.01 to 2032 mm/min, accommodating diverse tests: slow speeds for creep testing (measuring long-term deformation under constant force) and fast speeds for high-velocity tensile tests. The crosshead’s return speed is a consistent 2032 mm/min (80 in/min), reducing test cycle time for high-throughput quality control applications.
A load cell—interchangeable and mounted between the crosshead and upper grip—enables force measurement for tension, compression, and cyclic tests. Lloyd Instruments load cells exceed international standards (ASTM, BS, DIN) and offer exceptional accuracy: ±0.5% of reading down to 1/100 of the cell’s capacity. A 32-bit A/D converter provides a minimum load resolution of 1 part in 10⁹, ensuring even small force changes (eg, during yield point detection) are captured. For optimal performance, operators should select a load cell where the test force falls within the upper 90% of its range, maximizing signal-to-noise ratio.
Optional extensometers (analog or digital) enhance the AMETEK LLOYD LS1Plus Material Testing Machine’s capabilities by measuring specimen strain. Attached to the specimen’s gauge length, extensometers detect changes in length as force is applied—analog models use linear variable differential transformers (LVDTs), while digital versions use optical sensors for higher precision. Strain data is critical for calculating properties like elastic modulus (stiffness) and elongation at break, making extensometers essential for materials science research.
The handheld remote controller simplifies operation, allowing users to start/stop tests and position the crosshead. Its height is adjustable via a locking lever, and it connects to the machine’s rear via a dedicated port—this ergonomic design reduces operator fatigue during long testing sessions. For bulky items (eg, cardboard cartons, furniture), the optional POGO testing system extends the AMETEK LLOYD LS1Plus Material Testing Machine’s utility: a specialized frame with a linear bearing in the machine base, where a rod through the crosshead connects the load cell to compression platens, enabling large-scale compression tests.
The AMETEK LLOYD LS1Plus Material Testing Machine operates with NexygenPlus 4, a Microsoft Windows-based software that centralizes test control and data analysis. Its intuitive interface—using familiar Windows controls—allows operators to master the system quickly. The software includes a library of pre-programmed test setups aligned with international standards (eg, ASTM D638 for plastics, ISO 527 for polymers), eliminating manual protocol creation. Custom tests can be built via a step-by-step wizard, and data (eg, force-displacement curves, peak force) is easily exported to Excel or Word for reporting. Firmware and software updates are available on AMETEK’s website, and users are encouraged to register their AMETEK LLOYD LS1Plus Material Testing Machine to access updates and full support.
Setup Procedures: Ensuring Proper Installation and Calibration
Proper setup is critical for the AMETEK LLOYD LS1Plus Material Testing Machine’s safety and accuracy, and operators must follow the manual’s guidelines closely. The process begins with unpacking and inspection: after receiving the machine, remove all packing materials and check for transit damage. Standard components include the testing frame, handheld remote, power cable, grip/adapter pins, “C” spanners, Allen keys, USB cable, load cell bolt, and bench mounting kit. Optional items (eg, NexygenPlus 4, load cell, grips) may be included based on the order. Any missing parts or damage must be reported to the dealer or AMETEK immediately.
Location selection is next. The AMETEK LLOYD LS1Plus Material Testing Machine requires an area with adequate lighting (for safe operation) and unobstructed airflow (to prevent overheating). The location must be distraction-free to minimize errors, and the mains power socket must be easily accessible for emergency disconnection. The machine must be mounted on a rigid, stable bench capable of supporting its weight (52 kg standard, 62 kg extended travel). The single column must be vertical—misalignment can compromise low-load measurements. Crucially, the front of the machine must be accessible, and the Emergency Stop Button must never be obstructed.
Lifting and securing the AMETEK LLOYD LS1Plus Material Testing Machine requires caution. Pallet-mounted units can be positioned with a forklift; manual lifting needs at least two people, who should grasp the aluminum base plate (not the plastic cover) to avoid damage. Once positioned, the machine must be secured to the bench using the mounting kit—only two diagonal holes are needed, but this task must be performed by authorized AMETEK personnel to comply with safety standards.
For POGO testing setup (if applicable), operators first position the POGO frame, then fit mounting plates to the AMETEK LLOYD Material Testing Machine—AMETEK recommends this be done by appointed engineers to avoid injury. The machine is lifted onto the frame, secured, and the POGO rod is inserted through the fixed crosshead’s bearing to connect to the bottom platen. The load cell is then connected, and a final Risk Assessment is required to ensure compliance with the Machinery Directive and Essential Health and Safety Requirements (EHSR), including verifying shields or guards.
Power setup involves selecting the correct voltage (115VAC ±10% or 230VAC ±10%, 50–60Hz) before connecting power. To adjust the voltage: disconnect power, open the voltage selector panel with a flat-blade screwdriver, remove the selector/fuse-holder, rotate it to the desired voltage (visible in the window), and replace the fuse with a factory-supplied one (per the machine’s rear label). The AMETEK LLOYD LS1Plus Material Testing Machine must be connected to a grounded outlet using the provided power cord to prevent electric shock.
Load cell installation is precise: insert the adapter through the crosshead’s hole (threaded side down), screw it into the load cell (avoid overtightening low-capacity cells), and ensure the cell’s locating pin fits into the crosshead’s hole. Tighten the adapter with the “C” spanner, connect the load cell plug to the rear socket, and secure with retaining screws. Finally, fit the eye end to the load cell and tighten with the spanner.
Grip installation requires aligning grips with the load cell’s axis to avoid side thrust. For heavy upper grips, avoid bumping the eye end and never force a tight fit. Adjust the lower limit stop to prevent grip contact when the crosshead is lowered. In all tests, center specimens in the jaws (in line with the load path) to ensure uniform force application—for compression tests, avoid high-speed platen contact and secure lower fixtures to prevent blockages. Before testing, confirm the anticipated maximum force does not exceed the load cell’s capacity to avoid damage.
Technical Specifications: Defining Performance and Capabilities
The AMETEK LLOYD LS1Plus Material Testing Machine’s technical specifications underscore its versatility and precision, making it suitable for a wide range of material testing applications.
Dimensions and Weight
Travel Length: 500 mm (19.7 in) for standard models; 800 mm (31.3 in) for extended-travel versions.
Width: 460 mm (18.1 in, excluding the console).
Depth: 557 mm (21.9 in).
Base Height: 108 mm (4.3 in).
Throat Depth: 180 mm (7.1 in)—the maximum distance from the column to the specimen, accommodating various sample sizes.
Weight: 52 kg (115 lb) (standard); 62 kg (137 lb) (extended travel).
Force and Speed
Force Capacity: 1000 N (225 lbf), ideal for testing plastics, textiles, and small metal components.
Crosshead Speed Range: 0.01 to 2032 mm/min, flexible for slow and fast tests.
Return Speed: 2032 mm/min (80 in/min), reducing test cycle time.
Speed Accuracy: ±0.1% for speeds above 0.1 mm/min, ensuring consistent movement.
Measurement Precision
Extension Resolution: 0.04 microns, enabling detection of微小 deformations.
Load Cell Accuracy: ±0.5% of reading down to 1/100 of capacity.
Load Resolution: 1 part in 10⁹ (via 32-bit A/D converter).
Load Measuring System: Complies with EN ISO 7500-1:2015 Class 0.5 and ASTM E4, validating accuracy for global standards.
Position Repeatability: <10 microns, ensuring reproducible test conditions.
Additional Specifications
Extensometer Inputs: Optional (analog/digital) for strain measurement.
Data Transfer Rate: 1 kHz, enabling real-time data capture.
Supply Voltage: 207–253 VAC (50 Hz) or 103.5–126.5 VAC (60 Hz), compatible with global power grids.
Operating Temperature: 10–40°C (50–104°F), suitable for standard labs.
Control Modes: Position (precise crosshead positioning), load rate (constant force application), and strain rate (constant strain application).
Testing Principles: How the AMETEK LLOYD LS1Plus Material Testing Machine Measures Material Properties
The AMETEK LLOYD LS1Plus Material Testing Machine’s testing principle integrates mechanical actuation, sensor technology, and software analysis to apply controlled forces, measure material responses, and calculate key mechanical properties—all aligned with international standards.
Mechanical Actuation: Controlled Crosshead Movement
The AMETEK LLOYD LS1Plus Material Testing Machine uses a servomotor-driven ball screw to control crosshead movement. The servomotor receives signals from NexygenPlus 4, which dictates speed, direction, and position. For tensile testing, the software commands the crosshead to move upward (pulling the specimen); for compression testing, it moves downward (pressing the specimen). The ball screw’s precision ensures smooth, uniform movement, eliminating force fluctuations. The high-stiffness frame prevents lateral deflection, ensuring axial force application—critical for accurate load cell readings.
Force Measurement: Load Cell Technology
The load cell—mounted between the crosshead and upper grip—operates on the strain gauge principle. When force is applied, the cell’s internal strain gauges deform, changing their electrical resistance. This resistance change is converted into an electrical signal, amplified, and sent to a 32-bit A/D converter. The converter digitizes the signal, transmitting a numerical force value to the software at 1 kHz. The load cell’s high accuracy and resolution ensure even small force changes (eg, yield point) are detected.
Strain Measurement: Extensometer Integration
Optional extensometers measure specimen strain by tracking changes in length. Attached to the specimen’s gauge length, extensometers convert mechanical displacement into electrical signals (analog via LVDT, digital via optical sensors). The software calculates strain as ΔL/L₀ (change in length/original length), enabling properties like elastic modulus (slope of the stress-strain curve) to be computed.
Software Control and Data Analysis
NexygenPlus 4 is the central hub for test control. Operators select pre-programmed standards or create custom tests, setting parameters like speed, force limits, and stop conditions (eg, specimen breakage). During testing, the software records real-time data (force, displacement, strain, time) and plots curves (eg, force-displacement, stress-strain). After testing, it automatically calculates properties:
Tensile Tests: Yield strength (permanent deformation stress), tensile strength (maximum stress), elongation at break (percentage length increase).
Compression Tests: Compressive strength (maximum stress before collapse), compression modulus (stiffness).
Cyclic Tests: Fatigue life (cycles to failure under alternating forces).
Safety Integration
Mechanical limit stops prevent crosshead overtravel, and software-defined force/strain limits avoid overload. The Emergency Stop Button provides immediate shutdown, ensuring operator safety during unexpected events (eg, specimen fragmentation).
Support and Warranty: Ensuring Long-Term Reliability
AMETEK offers global support and a standard warranty to maximize the AMETEK LLOYD LS1Plus Material Testing Machine’s lifespan.
Returns and Warranty
Returns: A Return Material Authorization (RMA) number—obtained from the sales representative—is required for product returns. AMETEK provides shipping instructions, and users bear transportation costs.
Warranty: 1-year coverage for defects in workmanship, materials, and design. AMETEK will repair or replace defective parts at its discretion but excludes damage from tampering, abuse, or corrosive environments. The warranty replaces all other express/implied warranties (eg, merchantability) and does not cover incidental damages (eg, lost profits). It is void if the manual’s instructions are not followed.
AMETEK LLOYD AMETEK LLOYD LS1Plus Material Testing Machine Material Testing Machine is more than a material testing machine—it is a reliable partner for ensuring material quality and advancing research. Its blend of precision engineering, user-friendly software, and robust safety features makes it adaptable to diverse applications, from production quality control to academic research. AMETEK’s global support and warranty provide peace of mind, ensuring the AMETEK LLOYD LS1Plus Material Testing Machine delivers consistent results for years. By following safety guidelines and setup procedures, users can unlock the machine’s full potential, while feedback and registration help AMETEK refine future iterations. For anyone seeking a high-performance, versatile material testing solution, the AMETEK LLOYD LS1Plus Material Testing Machine stands as a benchmark in its class.