The CM-170 is a low-cost 61672-1 Type II SPL meter which is
ideal for everybody working in loud environments and it
includes Windscreen and protective case.
The CM170 allow working musicians, police departments, DJs,
sound contractors, racetracks to measure SPL in decibels
(dB). The CM-170 is the advanced version of CM-160 model,
except that it has Data Logging with Clock feature,
Electronic Calibration and Fast/Slow Time Weighting. The CM-
170 includes a carry case, USB cable, windscreen, and
software for the computer.