Optimus Yellow Options
are just a few different options and accessories
available for the CR150 series Optimus Yellow sound
level meter. The configuration for you depends on
the measurement regulations that you need to follow.
For assistance in selecting the correct meter, please
call or email. We are happy to help.
Standards - Class / Type
The options for the sound level meter are concerned
with grade and data logging:
Type 1 / Class 1 - Defined by
the ANSI and IEC standards, this is the most accurate
version of the meter. It has a higher grade microphone
capsule for more demanding applications. If your
regulations state "Type 1" or "Class
1" then this is the type to use.
Type 2 / Class 2 - Defined by
the ANSI and IEC standards. Type 2 meters are still
very accurate, but have a slightly lower grade microphone
information about Type / Class