eLibrary >
ANSI/ASA S1.4-2014/Part 1 / IEC 61672-1:2013 (R2019) (Revision of ANSI S1.4-1983 (R2006), ANSI S1.4a-1985 (R2006) and ANSI S1.43-1997 (R2007)) American National Standard Electroacoustics – Sound Level Meters – Part 1: Specifications (a nationally adopted >
ANSI/ASA S1.4-2014/Part 1 / IEC 61672-1:2013 (R2019) (Revision of ANSI S1.4-1983 (R2006), ANSI S1.4a-1985 (R2006) and ANSI S1.43-1997 (R2007)) American National Standard Electroacoustics – Sound Level Meters – Part 1: Specifications (a nationally adopted , 2014
- 1 Scope
- 2 Normative references
- 3 Terms and definitions
- 4 Reference environmental conditions
- 5 Performance specifications
- 5.1 General
- 5.2 Adjustments at the calibration check frequency
- 5.3 Corrections to indicated levels
- 5.4 Directional response
- 5.5 Frequency weightings
- 5.6 Level linearity
- 5.7 Self-generated noise
- 5.8 Time-weightings F and S
- 5.9 Toneburst response
- 5.10 Response to repeated tonebursts
- 5.11 Overload indication
- 5.12 Under-range indication
- 5.13 C-weighted peak sound level
- 5.14 Stability during continuous operation
- 5.15 High-level stability
- 5.16 Reset
- 5.17 Thresholds
- 5.18 Display
- 5.19 Analogue or digital output
- 5.20 Timing facilities
- 5.21 Radio frequency emissions and disturbances to a public power supply
- 5.22 Crosstalk
- 5.23 Power supply
- 6 Environmental, electrostatic, and radio-frequency requirements
- 6.1 General
- 6.2 Static pressure
- 6.3 Air temperature
- 6.4 Humidity
- 6.5 Electrostatic discharge
- 6.6 A.C. power-frequency and radio-frequency fields
- 6.7 Mechanical vibration
- 7 Provision for use with auxiliary devices
- 8 Marking
- ii © 2014 Acoustical Society of America—All rights reserved 9 Instruction Manual
- 9.1 General
- 9.2 Information for operation
- 9.3 Information for testing
- Annex A (informative) Relationship between tolerance interval, corresponding acceptance interval and the maximum-permitted uncertainty of measurement
- Annex B (normative) Maximum-permitted uncertainties of measurement
- Annex C (informative) Example assessments of conformance to specifications of this standard
- Annex D (normative) Frequencies at fractional-octave intervals
- Annex E (normative) Analytical expressions for frequency-weightings C, A, and Z
- Annex F (informative) Additional information for U.S. users regarding low-frequency tolerances in this standard vs. previous versions of ANSI S1.4 [Go to Page]