DZ/T 0101.12-1994
Active
JJF 1221-2025
Active
National Metrology Technical Specifications JJF
JJF 1221-2025 Calibration Specification for Chassis Dynamometers of Automobile Emissions Testing
JJF 1221-2025 Calibration Specification for Chassis Dynamometers of Automobile Emissions Testing
Price:
$ 49.00
Basic Information
Standard Code:
JJF 1221-2025
Standard Type:
National standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
-
ICS Name:
-
Publish Date:
2025-09-08
Implement Date:
2026-03-08
Pages:
28 pages
Scope
This standard applies to the calibration of chassis dynamometers used for detecting exhaust pollutants from vehicles under steady-state operating conditions, simple transient operating conditions, and loading and deceleration operating conditions.
Development Information
Replace the following standards
Referenced Standards
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