Can the battery be reordered?
Yes the battery can be ordered separately by customers as a spare part.
Which pipette tips fit on the Xplorer?
The certificate of conformity for the Eppendorf Xplorer® system is valid for epTIPS. However, the Xplorer can also be used with common competitor tips.
Is it possible to mix liquids in the micro test plate or small volumes with the preparation?
In the operating mode "Pipetting and Mixing," the sample is automatically mixed with the preparation after dispensing. The mixing cycles and mixing volume can be individually defined for this.
Can I precisely dispense liquids such as ethanol or glycerol with the Xplorer?
On the Xplorer, the pipette can be adjusted to different liquids or geographic heights using 1, 2 or 3-point adjustment, taking into account the corresponding density and associated scale results. The setting for ethanol 75 %25 or glycerol 50 %25 is completed using an internally determined factor that takes into account the density.
Is the Research plus resistant to concentrated acids?
In most cases, concentrated acids are not a problem. Please check the chemical resistance information on our homepage before use. Please note that aggressive chemicals used over a longer period of time may shorten the lifetime of the pipette.
In the adjustment manual of the Research plus, only two examples of liquids are given (50 % glycerol and 45 % cesium chloride). Are there more examples of liquids and their recommended setting on the adjustment display that have been tested?
Yes. Please find further information within Application Note 198.
Is a gravimetric test necessary after resetting the adjustment display to "0"?
From a technical point of view, a gravimetric test is not required. However, for certified laboratories a gravimetric test might be required for documentation purposes.
Is the Research plus compatible with hydrofluoric acid?
Yes. Please note that the use of aggressive chemicals like hydrofluoric acid over a longer period of time will reduce the lifetime of the pipette.
Is the Research plus compatible with hydrochloric acid?
Yes. Please notice that the usage of aggressive chemicals like hydrochloric acid over a longer period of time will reduce the life span of the pipette.
How many overnight cycles or total hours of UV irradiation can the Research plus withstand before any discoloration or change of the material will be visible?
We tested UV radiation under very intense conditions for 165 hours. There was no visible discoloration or change to the material.
Is it necessary to re-grease the piston of the pipette after autoclaving?
No, this is not necessary.
Can the Research plus be autoclaved if the locking ring is installed to deactivate the spring loading?
Yes. The locking ring is made of PPS (polyphenylene sulfide) and therefore autoclavable (121 °C, 1 bar, 20 min).
Is the Research plus compatible with sodium hydroxide (größer10 %)?
Yes, the Research plus is compatible with sodium hydroxide größer 10 %.
Is the Research plus compatible with 65 % nitric acid?
Yes, in general, however, discoloration may take place and the piston seal may corrode. Please note that the use of aggressive chemicals like nitric acid over a longer period of time will reduce the lifetime of the pipette.
Do I need to disassemble the Research plus before autoclaving?
No. It can be autoclaved in one piece (121 °C, 1 bar, 20 min).
What are the settings of the Research plus pipette for liquids of different viscosities or specific densities?
The user manual of the Research plus mentions specific settings for some volumes of the most common liquid classes. These values are for orientation only as the systematic and random error are affected by many factors like, e.g., the mode of operation, the tip used, temperature. It is essential to check this data according to your own method.
Will water vapor enter the pipette while it is being autoclaved, causing water vapor to bead up on the inside of the numerical volume setting display?
Vapor will penetrate the inside of the pipette during autoclaving but this will not cause damage. We tested our pipettes with 175 autoclaving cycles (121 °C, 1 bar, 20 min). The number of tests chosen corresponds to an average of 5 years of use.
In part 3 of the operating manual of the Research plus, you recommend adjusting the volume setting from a higher value to a lower value. If required, the user should turn the value beyond the required value and then back again. What is the reason for such a recommendation?
For technical reasons, the results are generally more precise when a volume setting is carried out from a higher down to a lower value. This is valid for all manual pipettes.
How should contamination on the outside of the Research plus be removed?
Wet a cloth with water or 70% isopropanol and wipe off.
How should the Research plus be disinfected?
Wipe the outer surface with disinfectant, DNA/RNA decontamination agent, or 70 % isopropanol. After the exposure time of the disinfectant, rinse thoroughly with demineralized water. This step is especially important if subsequent decontamination, e.g., with UV-light or autoclaving, should be performed. The Research plus may be temporarily subjected to UV light under a sterile bench. We recommend the use of a Hg-lamp, 254 nm, 30 W. The distance between lamp and pipette should be approx. 60 cm. The Research plus is fully autoclavable.
How can I clean and maintain the Research plus?
The Research plus pipettes are easy to clean. Only the lower part should be cleaned on a regular basis in accordance with the frequency of use. The lower part of the single-channel and multi-channel Research plus pipettes can be removed easily as described in the operating manual of the Research plus or in our Application Note 198.
Which material is the Research plus made of?
Pipette parts which might come in contact with liquids are made of the following materials: PP (polypropylene), PEI (polyetherimide), PVDF (polyvinyliden fluoride), PC (polycarbonate), PPS (polyphenylene sulfide), and stainless steel.
When should the spring loading of the single-channel Research plus pipettes be deactivated?
For dispensing tasks in which a pipette tip is used over a long time or is slightly bent, it can be helpful to deactivate the spring loading of the tip cone by installing the locking ring. This can also be helpful for pipette tips which are not designed for Eppendorf pipette cones.
What is the difference between factory setting and user adjustment?
The user adjustment for temporarily applications such as pipetting a liquid with a higher density than water. The little window shows the change. It can be set back to factory settings ""0"". A subsequent calibration is not necessary. The factory setting is a basic adjustment of the pipette. It should only be changed if the pipette exceeds the maximum permissible errors after calibration and all other factors which could have an influence have been excluded.
What are Combitips advanced made of?
The cylinder is made of polypropylene (PP) and the piston is made of polyethylene (PE).
How are the Combitips advanced tested during production?
Random samples are removed from each batch of Combitips advanced and tested with a calibrated Mulitipette plus.
What purity grades are available for the Combitips advanced?
The Combitips advanced are available in the purity grades "Eppendorf quality", "PCR clean", "Biopur", "Forensic DNA Grade" and "Sterile" (only available in North America).
Which certificates are available for Combitips advanced?
Eppendorf can provide quality certificates for Combitip advanced standard products. In addition, batch-specific certificates for Eppendorf PCR-clean and Eppendorf Biopur Combitips advanced are available.
Are Standard Combitips advanced also sterile?
No. Although they are packed straight from production, they are not specially sterilized. If you want sterile Combitips advanced, we recommend our Biopur Combitips advanced.
Are Combitips advanced autoclavable?
No. The Combitip advanced is made of two materials which behave differently during autoclaving. This could lead to leakage which affects the performance of the Combitip advanced.