| YD/T 844-1996 English PDF
 Basic dataStandard ID: YD/T 844-1996 (YD/T844-1996)Description (Translated English): (Communications equipment noise measurement methods) Sector / Industry: Telecommunication Industry Standard (Recommended) Classification of Chinese Standard: M80 Word Count Estimation: 26,248 Date of Issue: 5/8/1996 Date of Implementation: 11/1/1996 Adopted Standard: ISO 3746-1995, NEQ Summary: This standard specifies the determination letter segmentation, letter coarse points, classification, management letter, serviced, letter box store delivery, letter to send material, the amount of side letters side surface of the package, the device bridges connecting the sound source in the room A sound level measuring point, and then calculate the average surface A sound level and A-weighted sound power levels measured. |