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JJG 1172-2019 Active
JJG 1172-2019 Working Standard Microphones(Free-field Comparison Method)
Abstract
This procedure is applicable to the initial verification, subsequent verification, and in-use inspection of work standard microphones that meet the requirements of GB/T 20441.4-2006, "Measurement Microphones - Part 4: Specifications for Work Standard Microphones".
General Product Information
| Document Type | National Metrology and Inspection Regulations JJG |
|---|---|
| Standard Status | Active |
| Standard Code | JJG 1172-2019 |
| Implement Date | 2020-03-31 |
Price
$ 48
Subtotal
$ 48
Tax
$ 0.00
Order Total (incl. tax)
$ 48