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JJF 1137-2005

JJF 1137-2005_English: PDF (JJF1137-2005)
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JJF 1137-2005English379 Add to Cart 3 days Calibration specification for microphone preamplifiers JJF 1137-2005 Valid JJF 1137-2005

Standard ID JJF 1137-2005 (JJF1137-2005)
Description (Translated English) Calibration specification for microphone preamplifiers
Sector / Industry Metrology & Measurement Industry Standard
Classification of Chinese Standard A59
Word Count Estimation 16,124
Date of Issue 2005-10-09
Date of Implementation 2006-01-09
Quoted Standard GB/T 3102.5-1993; GB/T 3102.7-1993; JJF 1001-1998; JJF 1034-2005; JJF 1059-1999
Summary This standard applies to ��23. 77mm, ��12. 7mm or ��6. 35mm laboratory standard microphones, microphone working standard microphones or testing supporting the use of microphone preamplifier (hereinafter referred to as pre-amplifier) ??calibration.