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The 27307 is a service for upgrading a CR200-series datalogger to a CR200X-series datalogger.
Customers with older CR200-series dataloggers that have a 1 MBit memory must also purchase the 19345 4 MBit Memory Upgrade.Read More
The table below shows serial numbers of data loggers that have the 1 MBit memory.
|Data Logger Model||Serial Number of Data Loggers with
1 MBit Memory
|25405 or lower
4473 or lower
4071 or lower
4133 or lower
1039 or lower