CEL meters not recommended for Building Acoustics measurements

The following instruments are not really suitable for the measurement of Building Acoustic work because they cannot collect all the required information in the recommended way. They do not have the capability to measure the frequency distribution of noise that is important for these types of measurements.
 
Compare the features of these meters in a simple table
The following sound level meters could be used to measure the transmission loss across a partition or through a ceiling because they can be fitted with octave or third octave band filters to obtain the noise spectra on both sides of the partition.
Compare the features of the best meters for B. Ac measurements in a simple table