DZ/T 0101.12-1994
Active
JJF 1777-2019
Active
National Metrology Technical Specifications JJF
JJF 1777-2019 Program of Pattern Evaluation of Cold Potable Water Meters
JJF 1777-2019 Program of Pattern Evaluation of Cold Potable Water Meters
Price:
$ 231
Basic Information
Standard Code:
JJF 1777-2019
Standard Type:
National standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
-
ICS Name:
-
Publish Date:
2019-12-31
Implement Date:
2020-03-31
Pages:
208 pages
Scope
This outline is applicable to the type evaluation of drinking cold water meters with a nominal diameter of not more than 50 mm, whose measuring instruments are classified and coded as 12200500.
This outline is not applicable to meters for measuring non-drinking cold water.
Development Information
Replace the following standards
JJG 162-2009型式评价部分
Adopt standards
OIML R49-1:2013
OIML R49-2:2013
OIML R49-3:2013
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Active
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SC 53-1980
Active
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DZ 4-1981
Replaced
\nDZ 4-1981 Method for Compiling Product Models of Geological Instrumentation Equipment
SC 69-1982
Active
SC 69-1982 ZSS-12 Flash-type seawater desalination production device technical specifications
SC 72-1982
Active