Description
– Upgrade to 1/3 octave band filter with 36/29 bands
– The firmware and the upgrade program are sent by email for follow on orders.
Note: New orders receive the unlock code for this feature in the meter delivery contents that is added to the device menu by the customer. For a add on order, please indicate the serial number of the sound level meter when ordering the 1/3 octave kit (see option field)
– 1/3 octave spectra with 36 to 29 bands filter firmware addition