J : Issues certificates with the JCSS symbol for measurement act traceability system.
A : Issues certificates with the A2LA (American Association for Laboratory Accreditation) symbol.
Acoustic | ||
---|---|---|
Sound level meters | J | A |
Measurement microphones | J | A |
Sound calibrators | J | A |
Octave-band, third-octave band analyzers | ||
Ultrasonic | ||
Hydrophone | ||
Vibration | ||
Accelerometers, Vibration pick-ups | J | A |
Vibration meters | A | |
Accelerometers, Vibration pick-ups | J | A |
Vibration meters | A | |
Vibration exciters | A | |
Vibration level meters |