This product is no longer available. Some accessories, replacement parts, or services may still be available.

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For OEMs
weather applications water applications energy applications gas flux & turbulence applications infrastructure applications soil applications


The 18203 is restricted from view to all but Campbell Scientific employees. This version of the CR1000-4M was for OEMs. It did not have a label so that the OEM could attach their own branding. The 18203 was offered when the standard CR1000 had 2 Mbytes of data/program storage. In September 2007, the standard CR1000 started having 4 Mbytes of memory—making the CR1000-4M as well as the 18203 obsolete.  Replacement parts remain available (see Ordering Info).