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Mettler Toledo Single Channel Manual Pipettes
Mettler Toledo’s Rainin XLS+ single channel manual pipettes represent a high-precision technical solution for liquid handling, engineered to provide exceptional accuracy and reproducibility. These instruments utilize advanced mechanical components to ensure smooth piston movement and consistent stroke volume, which is critical for sensitive laboratory protocols.
The design incorporates a high-resolution mechanical counter for precise volume setting and a robust locking mechanism to prevent accidental drift during operation. By combining a lightweight, balanced chassis with low-friction internal seals, the XLS+ ensures that every aspiration and dispense cycle meets the rigorous standards required for modern scientific research and diagnostic testing.
Advanced Volumetric Precision and Accuracy
The technical foundation of the Rainin XLS+ manual pipette is its ability to deliver precise and accurate volumes across its entire operating range. Each pipette is calibrated to meet or exceed international standards, ensuring that the volume aspirated and dispensed is within strict tolerance limits. This precision is achieved through high-quality mechanical internal assemblies that maintain linear movement of the piston. For researchers, this means that experimental results are reliable and reproducible, which is essential for quantitative analysis in genomics, proteomics, and clinical chemistry.
Patented LiteTouch System (LTS) for Low Force
A key technical feature of the XLS+ is the patented LiteTouch System (LTS), which significantly reduces the force required for tip loading and ejection. Unlike traditional conical nozzles that require excessive force to create a seal, the LTS design uses a cylindrical nozzle with a thin sealing ring and a positive stop. This ensures a perfect, leak-proof seal with a mere 0.6 kg of force. This technical innovation not only ensures volume consistency by seating every tip at the exact same depth but also protects the user from repetitive strain injuries.
Smooth Piston Technology and Low Friction
The internal mechanical operation of the XLS+ is engineered for maximum smoothness. The use of advanced seals and low-friction materials ensures that the plunger moves without "stiction" or jerking. Technically, this smoothness allows the operator to have finer control over the aspiration and dispensing speeds, which is particularly important when handling delicate samples or performing precise titrations. The reduction in friction also leads to less wear on the internal components, extending the life of the instrument and maintaining calibration for longer intervals.
High-Resolution Digital Counter and Volume Lock
To prevent volumetric errors, the XLS+ features a high-visibility mechanical counter that displays the volume in large, clear digits. The volume adjustment mechanism is designed for rapid setting but includes a robust lock to prevent accidental changes during pipetting cycles. This technical safeguard ensures that once a volume is set, it remains constant throughout the experiment. The precision of the counter allows for fine adjustments, enabling researchers to dial in specific microliter increments with confidence in the tool's mechanical integrity.
Ergonomic Engineering and Strain Reduction
The ergonomic design of the XLS+ is a technical response to the physical demands of manual pipetting. The instrument features a lightweight body, a balanced center of gravity, and a contoured finger hook. These features work together to allow for a relaxed grip, reducing the muscular effort required to hold and operate the pipette. By minimizing the trigger and ejection forces through mechanical optimization, the XLS+ helps to mitigate the risk of repetitive strain injuries (RSI) while maintaining high performance during long hours of laboratory work.
RFID Technology for Asset Management and Compliance
Every Rainin XLS+ manual pipette is equipped with an integrated RFID (Radio Frequency Identification) chip. This chip serves as a digital identity for the tool, storing technical data such as the serial number, manufacturing date, and calibration history. When used with an optional RFID reader and software, laboratory managers can technically automate the tracking of pipette maintenance and compliance. This integration simplifies the audit process for labs operating under GLP or GMP standards and ensures that only properly calibrated tools are used.
Chemical Resistance and Material Durability
The technical construction of the XLS+ utilizes high-grade materials chosen for their chemical durability and resistance to harsh laboratory environments. The pipette's exterior is designed to withstand exposure to a wide range of common laboratory reagents, including organic solvents and corrosive buffers. Additionally, many models are designed to be fully autoclavable, allowing for effective sterilization without compromising the integrity of the internal mechanical seals or the accuracy of the volumetric delivery.
Versatility Across the Full Volumetric Spectrum
Mettler Toledo offers the XLS+ single channel manual pipette in a wide range of volume models, from micro-volumes of 0.1 mu L up to large volumes of 20 mL. This technical diversity ensures that laboratories can standardize on a single high-performance platform for all their liquid handling needs. Each model is engineered with a specific piston diameter and stroke length to optimize accuracy for its respective volume range, providing a versatile and reliable toolset for everything from molecular biology to industrial quality control.
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