JJF 2247-2025 Active National Metrology Technical Specifications JJF

JJF 2247-2025 Calibration Specification for Well Water Level Burial Depth Measuring Instruments

Publish Date: 2025-03-27 Implement Date: 2025-04-27 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

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Basic Information

Standard Code: JJF 2247-2025

Standard Type: National standards

Standard Status: Active

is_force_gb: no

CCS Name: -

ICS Name: -

Publish Date: 2025-03-27

Implement Date: 2025-04-27

Pages: 24 pages

Scope

This specification is applicable to the calibration of the water submergence depth measuring instrument for earthquake monitoring, which is used within a range of (0 to 10) meters.

Development Information

Word Count: 25 Thousand words Pages: 24 pages

Referenced Standards

JJG 49-2013 Elastic Element Precise Pressure Gauges and Vacuum Gauges JJG 52-2013 Elastic Element Pressure Gauges,Pressure-Vacuum Gauges and Vacuum Gauges for General Use JJG 875-2019 Digital Pressure Gauges JJG 882-2019 Pressure Transmitters JJG 971-2019 Liquid Level Gauges JJF 1001-2011 General Terms in Metrology and Their Definitions JJF 1008-2008 Pressure Metrological Terms and Their Definitions GB/T 11828.2-2022 Instruments for stage measurement—Part 2:Pressure-type stage gauge DB/T 32.1-2020 Technical requirements of instruments in network for earthquake monitoring—Underground fluid observation instruments—Part 1:Pressure instrument for water level

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