JJF 1358-2012
Calibration Specification for DN1000～DN15 000 Liquid Ultrasonic Flowmeters Calibration by Non Practical Flow Method (English Version)

Standard No.

JJF 1358-2012

Language

Chinese, Available in English version

Release Date

2012

Published By

National Metrological Technical Specifications of the People's Republic of China

Latest

JJF 1358-2012

Scope

This calibration specification is applicable to the non-real flow calibration and periodic verification of liquid contact multi-channel ultrasonic flowmeters for closed pipelines based on the transit time method. The flow meter diameter range is: (1~15)m.

JJF 1358-2012 Referenced Document

• ASME PTC 18-2002 Hydraulic Turbines and Pump-Turbines Consolidation of ASME PTC 18-1992 and ASME PTC 18.1-1978
• GB/T 23900-2009 Non-destructive testing.Practice for measuring ultrasonic velocity in materials
• JJF 1004-2004 Metrological Terms and Their Definitions for Flow Rate
• JJF 1059-1999 Evaluation and Expression of Uncertainty in Measurement
• JJG 1030-2007 Ultrasonic Flowmeters

JJF 1358-2012 history

• 2012 JJF 1358-2012 Calibration Specification for DN1000～DN15 000 Liquid Ultrasonic Flowmeters Calibration by Non Practical Flow Method
• 1970 JJF 1358-1990 Reagent purity benchmark operation technical specification