JJG 639-1998 English PDF

US$389.00 · In stock
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JJG 639-1998: Verification regulation of ultrasonic source for medical ultrasonic diagnostic equipment

JJG 639: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
JJG 639-1998	389	Add to Cart	3 days	Verification regulation of ultrasonic source for medical ultrasonic diagnostic equipment
JJG 639-1990	RFQ	ASK	3 days	Verification Regulation of Ultrasonic Source for Medical Ultrasonic Diagnostic Equipment	Obsolete

Similar standards

GB/T 3222.2   GB/T 3222.1   JJG 188   JJG 921   JJG 778   JJG 185   

Basic data

Standard ID: JJG 639-1998 (JJG639-1998)
Description (Translated English): Verification regulation of ultrasonic source for medical ultrasonic diagnostic equipment
Sector / Industry: Metrology & Measurement Industry Standard
Classification of Chinese Standard: A59
Word Count Estimation: 11,121
Date of Issue: 6/20/1905
Date of Implementation: 3/1/1999
Older Standard (superseded by this standard): JJG 639-1990
Issuing agency(ies): State Quality and Technical Supervision
Summary: This standard applies to new manufacture, use and repaired (including the replacement of the probe), the nominal frequency is not higher than 7. 5MHz, generic B-type pulse echo ultrasonic diagnostic apparatus (hereinafter referred to as the instrument) Ultrasonic Deep (excluding special probe) accreditation.

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