DZ/T 0101.12-1994
Active
JJG 499-2004
Replaced
National Metrology and Inspection Regulations JJG
JJG 499-2004 Precision Dew-point Hygrometers
JJG 499-2004 Precision Dew-point Hygrometers
Basic Information
Standard Code:
JJG 499-2004
Standard Type:
National standards
Standard Status:
Replaced
is_force_gb:
no
CCS Name:
-
ICS Name:
-
Publish Date:
2004-06-04
Implement Date:
2004-12-01
Pages:
11 pages
Scope
This procedure is applicable to the initial verification, subsequent verification, and in-use inspection of balance-type precision dew point meters used for automatic detection of frost layers in thermoelectric refrigeration (mirror or surface acoustic wave devices).
Development Information
Replace the following standards
JJG 499-1987
Superseded by the following standards
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