GB/T 14199-1993
Replaced
T/ZZB 1977-2020
Active
Group standards
T/ZZB 1977-2020 Precision multi-function digital sound level meter
T/ZZB 1977-2020 Precision multi-function digital sound level meter
Price:
$ 20.00
Basic Information
Standard Code:
T/ZZB 1977-2020
Standard Type:
Group standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
Acoustic metrology
ICS Name:
Electroacoustics
Publish Date:
2020-11-30
Implement Date:
2020-12-30
Scope
Main technical content: This document specifies the terms and definitions, basic requirements, technical requirements, test methods, inspection rules, marking, packaging, transportation, storage, and quality commitments for precision multi-functional digital sound level meters (hereinafter referred to as sound level meters). This document is applicable to sound level meters with a performance level of Class 1 and a frequency range of 10Hz to 20kHz, which include functions such as noise statistical analyzers, octave filters, and/or 1/3 octave filters.
Development Information
Related Standards
GB/T 4128-1995
Active
GB/T 4128-1995 Acoustics—Standard hydrophone
GB/T 15953-1995
Replaced
GB/T 15953-1995 Instruments for the measurement of aural acoustic impedance/admittance
GB/T 16540-1996
Active
GB/T 16540-1996 Acoustics—Measurement and characterisation of ultrasonic fields in the frequency range 0.5MHz to 15MHz—Hydrophone method
YY/T 0458-2003
Replaced
YY/T 0458-2003 Technical requirements for ultrasonically blood-mimicking Doppler phantom
GB/T 20441.4-2006
Active