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The 19345 allows the 1 MBit Flash chip used in older CR200-series loggers to be replaced with the 4 MBit Flash chip used in our contemporary loggers. The final storage memory will be increased from 128 kbytes to 512 kbytes. Dataloggers with the larger capacity memory have "512K" on their labels.
The table below shows serial numbers of dataloggers that have the 1M memory.
| Datalogger Model | Serial Number of Dataloggers with 1M memory |
| CR200 CR206 CR211 CR216 CR295 |
25405 or lower 4473 or lower 4071 or lower 4133 or lower 1039 or lower |
This service is required when the 27307 service is used to convert a 1M CR200-series datalogger to a CR200X-series datalogger.


