Stepper pipette
Stepper pipettes enable fast, accurate and multiple dispensing of liquids with one hand. They operate on the displacement principle and allow precise dispensing of a wide variety of liquids.
Product
Stepper pipette
Stepper pipettes enable fast, accurate and multiple dispensing of liquids with one hand. They operate on the displacement principle and allow precise dispensing of a wide variety of liquids.
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Guide and selection support
Stepper pipettes are used in laboratories for precise and time-efficient dispensing of liquids. They are particularly suitable for repeated dispensing with one hand. The selection of a stepper pipette depends on the required dispensing volume, ergonomics, and the mechanism for volume adjustment. On LabFinder, users will find a comprehensive overview of various stepper pipettes, supporting comparison of features and technical details. This makes it easier to source suitable stepper pipettes tailored to everyday laboratory needs.
Application and Benefits
Stepper pipettes are used in laboratories for fast and accurate dispensing of liquids, especially when multiple dispensing without frequent refilling is required. They are compact handheld devices that use the displacement principle to precisely deliver volumes of various liquids regardless of their physical properties. Areas of application include molecular biology, chemistry, and microbiology, where small amounts of liquid often need to be distributed repeatedly.
Selection Criteria
When choosing a stepper pipette, the volume to be dispensed is crucial, as is the adaptability to different pipette tips. Easy one-handed operation and ergonomic design are important for frequent or prolonged use. Additionally, the accuracy of the volume adjustment and the principle used for volume setting should be considered to meet the requirements of the laboratory process.
Variants and Measuring Principles
Stepper pipettes are manual dispensing devices that use the displacement principle for volume delivery. In contrast to conventional single-use pipettes, stepper pipettes allow fast multiple dispensing with a consistent amount of liquid. The volume is adjusted in defined steps, supporting intuitive and rapid operation. Variants differ mainly in the adjustable volume ranges and device configuration for various applications.
Calibration and Maintenance
To ensure accurate dispensing results, regular inspection and calibration of the stepper pipette is recommended. This involves checking and, if necessary, adjusting the volume and dispensing behavior. Cleaning the contact surfaces and interchangeable pipette tips supports durability. Maintenance also includes checking seals and moving parts for proper function.
Limitations
Stepper pipettes are only partially suitable for very large volumes or highly viscous liquids since manual dispensing is limited. They are not intended for automated workflows and rely on the user’s handling. Furthermore, they are not designed for highly hazardous substances, as there is direct contact with the liquid via the pipette tip.
Search Terms and Related Terms
Important synonyms and search terms include stepper pipette, step-pipette, hand stepper pipettor, stepper dispenser, stepper volume pipette, and single-hand pipettor. In the context of liquid handling, stepper pipettes are closely related to dosing, liquid dispensing, and volume measurement.
Also known as
Step-pipette
Hand stepper pipettor
Stepper dispenser
Stepper volume pipette
Single-hand pipettor
Step pipettor
Step-by-step pipette
Dispenser pipette
Stepper dosing pipette
Stepper liquid dispenser
Related categories
Suitable brands
Frequently asked questions
How does a stepper pipette work?
A stepper pipette operates according to the displacement principle, in which a piston dispenses liquids precisely and repeatedly through a stepwise mechanism (steps), eliminating the need to refill between dispenses.
What types of stepper pipettes are there?
Stepper pipettes mainly differ in their adjustable volume ranges and the mechanisms for volume adjustment. All variants are manual single-handed devices designed for rapid multiple dispensing.
What should be considered when buying a stepper pipette?
Consider the required dispensing volume, ergonomics for extended use, compatibility with available pipette tips, as well as the precision and ease of use of the volume adjustment.
How often should stepper pipettes be calibrated?
Calibration should be performed regularly, depending on usage intensity, to ensure precision. Typically, intervals are every year or more frequently with intensive use.
What types of liquids can be dispensed with a stepper pipette?
Stepper pipettes are suitable for a wide range of liquids, regardless of density or viscosity within the usual laboratory context. For highly viscous or aggressive liquids, specialized devices should be considered.
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