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 | ||
