Standard No.:	JJG 646-2006
English Name:	Verification Regulation of Locomotive Pipette
Chinese Name:	移液器检定规程
Chinese Classification:	A53    Mechanics Measurement
Professional Classification:	JJ    Metering
ICS Classification:	17.12 17.12    Measurement of fluid flow 17.12
Issued by:	AQSIQ
Issued on:	2006-12-8
Implemented on:	2007-6-8
Status:	valid
Language:	English
File Format:	PDF
Word Count:	7000 words
Price(USD):	140.0
Delivery:	via email in 1 business day

1 Scope This regulation is applicable to the initial verification, subsequent verification and in-service inspection of locomotive pipette. 2 References The following documents are referenced in this regulation: GB/T 6682-1992 Water for analytical laboratory use - Specification and test methods While applying this regulation, attention shall be paid to make sure that the referenced ones are currently effective editions. 3 Terms and measuring unit 3.1 locomotive pipette metrological instrument with a certain measuring range, which can be used to pipet the liquid from one container and then transfer it into another container (filling injector, filling gun, aspirator, etc. are collectively referred to as locomotive pipettes) 3.2 adjustable locomotive pipette locomotive pipette with adjustable capacity 3.3 quantitative locomotive pipette locomotive pipette with a single specified capacity

Foreword i 1 Scope 2 References 3 Terms and measuring unit 4 Overview 5 Metrological performance requirements 6 General technical requirements 6.1 Appearance requirements 6.2 Piston 6.3 Regulator 6.4 Pipette tip 6.5 Tightness 7 Control of metrological instruments 7.1 Verification conditions 7.2 Verification items 7.3 Verification method 7.4 Identification result handling 7.5 Verification cycle Annex A Schematic diagram for various types of locomotive pipettes Annex B Table of K(t) values Annex C Format of locomotive pipette verification records Annex D Format for inside pages of verification certificate