24. CR300 series specifications
Electrical specifications are valid over a -40 to +70 °C, non-condensing environment, unless
otherwise specified. Recalibration is recommended every three years. Critical specifications and
system configuration should be confirmed with Campbell Scientific before purchase.
24.1 System specifications 239
24.2 Physical specifications 240
24.3 Power requirements 240
24.4 Power output specifications 242
24.5 Analog measurement specifications 243
24.6 Pulse measurement specifications 247
24.7 Digital input/output specifications 248
24.8 Communications specifications 249
24.9 Standards compliance specifications 252
24.1 System specifications
Processor: ARM Cortex M4 running at 144 MHz
Memory:
l
CPUDrive: 80MBserial flash
l
Data Storage: 30MBserial flash
l
Operating System:2MB flash
l
Settings, Calibration, TLS Certificates and Key, System Information:3MB serial flash
l
Background Tasks and Table Information, Buffers, System Memory, Program Variables:
756KB RAM
NOTE:
CR300 series dataloggers with serial numbers 2812 and older have a 5 MB CPU drive and 10
MB serial flash storage. CR300 series data loggers with serial numbers 2813 and newer, and all
CR310 dataloggers have an 80 MB CPU drive and 30 MB serial flash storage.
Program Execution Period: 100 ms to 1 day
24. CR300 series specifications239