This range of sound level meters, including the CR261A, CR262A, CR263A and CR264A can be upgraded to have a large data store, additional measurement parameters and download to a computer. Once upgraded, the instrument is referred to as the CR:260+.
The upgrade can be fitted to new instruments at the time of manufacture or can be very easily installed by the user. When you purchase the UP:260 Upgrade Option you get these items:
The upgrade will provide the following functions:
< CR:261A Type 1 Integrating Sound Level
< CR:262A Type 2 Integrating Sound Level Meter for Noise at Work
< CR:263A Type 1 Integrating Sound Level Meter with Octave Band Filters
< CR:264A Type 2 Integrating Sound Level Meter with Octave Band Filters