DZ/T 0101.12-1994
Active
JJG 971-2002
Replaced
National Metrology and Inspection Regulations JJG
JJG 971-2002 Liquid Level Measuring Devices
JJG 971-2002 Liquid Level Measuring Devices
Basic Information
Standard Code:
JJG 971-2002
Standard Type:
National standards
Standard Status:
Replaced
is_force_gb:
no
CCS Name:
-
ICS Name:
-
Publish Date:
2002-09-13
Implement Date:
2002-12-13
Pages:
20 pages
Scope
This regulation applies to the type-approval, prototype testing, initial verification, subsequent verification, and in-use inspection of level gauges.
Types of level gauges include float-type, ball-type, float-chamber type, pressure-type, capacitive-type, conductivity-type, and reflective-type. Level gauges and level indicators manufactured using other principles can also be verified in accordance with this regulation.
Development Information
Superseded by the following standards
Referenced Standards
JJF 1001-1998 General Terms in Metrology and Their Definitions
JJF 1015-2002 General Norm for Pattern Evaluation and Pattern Approval of Measuring Instruments
JJF 1016-2002
JJG 617-1996 Digital Temperature Indicators and Controllers
JJG 882-1994
GB/T 17626.2-1998 Electromagnetic compatibility—Testing and measurement techniques—Electrostatic discharge immunity test
GB/T 17626.3-1998 Electromagnetic compatibility—Testing and measurement techniques-Radiated, radio-frequency, electromagnetic field immunity test
GB/T 17626.4-1998 Electromagnetic compatibility—Testing and measurement techniques—Electrical fast transient/burst immunity test
GB/T 17626.8-1998 Electromagnetic compatibility—Testing and measurement techniques—Power frequency magnetic field immunity test
GB/T 17626.11-1999 Electromagnetic compatibility—Testing and measurement techniques—Voltage dips, short interruptions and voltage variations immunity tests
JB/T 9329-1999 Instrument transportation, basic environmental conditions for storage and transportation, and test methods
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