Maintenance and backup, Nucleoview™ software maintenance, Nucleocounter® instrument maintenance – ChemoMetec NC-250 User Manual
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991-0252 Rev. 1.1
February 2013
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Maintenance and Backup
NucleoView™ Software Maintenance
A two-channel image taken in an A8 slide with NucleoView™ NC-250™ is approximately 15 MB in size.
Therefore, for example performing 50 viability and cell count assays each work day will over a month
accumulate approximately 16 GB.
The user must hence backup results and free up disc space in good time to ensure trouble free operation.
See Image Files for further details about file types and locations.
The NucleoView™ NC-250™ constantly records all operations in event log files. These event log files should
be handled in the same manner as the image files with respect to backing up and freeing up disc space. The
event log files are always stored in the current results folder. One file is created for each month, and files
are named according to the rule
The NucleoView™ NC-250™ software including standard protocols is typically delivered on a USB stick, and
protocols and licenses are distributed as zip-files via e-mail, USB stick or other media.
The user must keep appropriate backup of these zip-files in order to be able to make a new installation in
case re-installation of the software is required.
NucleoCounter® Instrument Maintenance
ChemoMetec A/S provides specific Installation Qualification (IQ), Operation Qualification (OQ) and
Performance Qualification (PQ) protocols and associated test kits, which may be used to verify proper
operation of the NucleoView™ and NucleoCounter® NC-250™ system.
The NucleoCounter® NC-250™ instrument can be cleaned in case it has been contaminated with sample
fluids, dust or other spillage. Use dry cleaning swabs for cleaning, and only if this is not enough, use 96-
100% pure ethanol.
The outer surfaces of the NucleoCounter® NC-250™ instrument may also be cleaned with 96-100% pure
ethanol if needed.
It is good practice to insert the sample tray, whenever the instrument is not being used, to prevent dust
build up on the internal surfaces.