Dispensers & Automated Liquid Handlers

Repeater® M4 – Repeating Pipette

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Product Information

Say goodbye to tedious, time-consuming serial pipetting! The Repeater M4 pipette from Eppendorf is ideal for repetitive dispensing tasks in long series, eliminating the need for repeated liquid aspiration. Paired with Combitips^® advanced dispenser tips, the Repeater effortlessly handles viscous, volatile or foaming liquids that pose challenges to traditional pipettes. The hermetically sealed tips in the Repeater/Combitips positive displacement pipetting system ensure a high level of safety when working with infectious, toxic, or radioactive liquids.

Description

Aspirate liquid once and dispense up to 100 times without tip refill

The Repeater M4 mechanical multi-dispenser pipette allows you to aspirate liquid once and dispense up to 100 times, making it the ideal precision instrument for long, repetitive pipetting tasks, such as tube or plate filling, and aliquoting reagents. Liquid is aspirated and dispensed by positive displacement, which means there is no air cushion that may be affected by liquid sample properties. This ensures that the correct volume is always dispensed – regardless of the density, viscosity and volatility of the liquid.
The matching Combitips^® advanced and ViscoTip^® positive displacement dispenser tips are automatically recognized – eliminating time consuming volume calculations – and are hermetically sealed to provide a high level of user, instrument and sample safety. Ideal for handling infectious, toxic or radioactive liquids.

Eppendorf pioneered the Repeater/Combitips multi-dispenser system in 1978 and improved it several times since. It was the very first pipetting system allowing users to fill the tip once and dispense multiple times. The concept remains a driver for efficient liquid handling and a staple in many labs working with plates or series of tubes. In 2024, our Repeater M4 multi-dispenser was awarded the ACT^® Environmental Impact Factor Label along with Combitips advanced dispenser tips, showcasing our dedication to eco-conscious manufacturing and assisting customers in taking environmentally informed purchase decisions.

Features

• Mechanical positive displacement multi-dispenser: fill the tip once and dispense up to 100 times without a refill
• Automatic Combitips^® advanced dispenser tip recognition eliminates time-consuming volume calculations
• Easy-to-read display guarantees stress-free and intuitive operation with a digital display of the dispensing volume
• Wide dispensing range: 1 µL to 10 mL for flexible operation
• Stress-free work via integrated step counter: dispensing procedures can be continued error free after an interruption or distraction
• Integrated »Sleep« function switches the instrument off, when it is not being used, thus reducing energy consumption
• Fully emptied Combitips^® advanced tip can be easily ejected with one hand using the operating lever
• Positive displacement principle: Ideal for viscous or foaming solutions and liquids with high vapor pressure
• Safe handling of toxic, radioactive or infectious liquids
• Eco-conscious production: Repeater M4 and Combitips^® advanced tips are ACT^®-labeled to help you make an informed choice when it comes to sustainability