Standards

JJF 1248-2010 Replaced

JJF 1248-2010 Calibration Specification for the Channel Vehicle Radioactivity Monitoring Systems

This standard applies to the on-site calibration of channel-type vehicle radioactive monitoring systems for detecting gamma radiation, and the vehicles include various container trucks, freight trucks, passenger cars, etc.

Publish Date: 2010-05-11

JJF 1245.1-2010 Replaced

JJF 1245.1-2010 Program of Pattern Evaluation of Electricity Meters—General Requirements

This outline is applicable to the type evaluation of single-phase and three-phase installed AC energy meters with a frequency of 50 Hz or 60 Hz (hereinafter referred to as meters).
This outline is not applicable to meters with a wiring terminal voltage exceeding 600 V (for multi-phase meters, it refers to line-to-line voltage), portable meters, data interfaces of meter counters, and standard meters. For wall-mounted meters, this section does not address their mechanical performance.

Publish Date: 2010-03-02

JJF 1245.2-2010 Replaced

JJF 1245.2-2010 Program of Pattern Evaluation of Electricity Meters—Particular Requirements—Electromechanical Meters for Active Energy(classes 0.5,1 and 2)

This outline is applicable to the type evaluation of single-phase and three-phase electrical active energy meters (hereinafter referred to as meters) with a frequency of 50 Hz or 60 Hz.
This outline is not applicable to electromechanical meters with a wiring terminal voltage exceeding 600 V (for multi-phase meters, it refers to line-to-line voltage), portable meters, and data interfaces of meter counters. For wall-mounted meters, this section does not address their mechanical performance.

Publish Date: 2010-03-02

JJF 1245.3-2010 Replaced

JJF 1245.3-2010 Program of Pattern Evaluation of Electricity Meters—Particular Requirements—Static Meters for Active Energy(classes 0.2S,0.5S,1 and 2)

This outline is applicable to the type evaluation of single-phase and three-phase stationary active energy meters (hereinafter referred to as meters) with a frequency of 50 Hz or 60 Hz.
This outline is not applicable to stationary meters with a wiring terminal voltage exceeding 600 V (for multi-phase meters, it refers to line-to-line voltage), portable meters, data interfaces of meter counters, and standard meters. For wall-mounted meters, this section does not cover their mechanical performance.

Publish Date: 2010-03-02

JJF 1245.4-2010 Replaced

JJF 1245.4-2010 Program of Pattern Evaluation of Electricity Meters—Particular Requirements—Electromechanical Meters for Reactive Energy(classes 2 and 3)

This outline is applicable to the type evaluation of single-phase and three-phase electromechanical reactive energy meters (hereinafter referred to as meters) with a frequency of 50 Hz or 60 Hz.
This outline is not applicable to electromechanical reactive meters with a wiring terminal voltage exceeding 600 V (for multi-phase meters, it refers to line-to-line voltage), portable meters, and data interfaces of meter counters. For wall-mounted meters, this section does not cover their mechanical performance.

Publish Date: 2010-03-02

JJF 1245.5-2010 Replaced

JJF 1245.5-2010 Program of Pattern Evaluation of Electricity Meters—Particular Requirements—Static Meters for Reative Energy(classes 2 and 3)

This outline is applicable to the type evaluation of single-phase and three-phase stationary reactive energy meters (hereinafter referred to as meters) with a frequency of 50 Hz or 60 Hz.
This outline is not applicable to stationary reactive meters with a wiring terminal voltage exceeding 600 V (for multi-phase meters, it refers to line-to-line voltage), portable meters, and data interfaces of meter counters. For wall-mounted meters, this section does not address their mechanical performance.

Publish Date: 2010-03-02

JJF 1245.6-2010 Replaced

JJF 1245.6-2010 Program of Pattern Evaluation of Electricity Meters—Particular Requirements—Electricity Meters with Functions

This outline is applicable to the type evaluation of single-phase and three-phase multifunctional energy meters, prepaid energy meters, and multi-tariff energy meters (hereinafter referred to as meters) with a frequency of 50Hz or 60Hz.
This outline is not applicable to meters with a wiring terminal voltage exceeding 600V (for multi-phase meters, it refers to the line-to-line voltage), portable meters, data interfaces of meter counters, and standard meters. For wall-mounted meters, this section does not address their mechanical performance.

Publish Date: 2010-03-02

JJF 1234-2010 Replaced

JJF 1234-2010 Calibration Specification for Lung Ventilators

This calibration standard is applicable to the calibration of mechanical ventilation parameters during the use of therapeutic ventilators and after maintenance. Equipment technical acceptance, ventilation function, and safety checks can refer to this standard.
This calibration standard is not applicable to non-invasive ventilators, high-frequency jet ventilators, and high-frequency oscillatory ventilators, nor to equipment used in hospitals solely for increasing patients' ventilation volume.

Publish Date: 2010-01-05

JJF 1237-2010 Replaced

JJF 1237-2010 Calibration Specification for SDH/PDH Transmission Analyzer

This specification is applicable to the calibration of SDH/PDH transmission analyzers. The calibration of other similar types of instruments can also be carried out with reference to this specification.

Publish Date: 2010-01-05

JJF 1016-2009 Replaced

JJF 1016-2009 The Rules for Drafting Program of Pattern Evaluation of Measuring Instruments

This guideline is applicable to the preparation of type evaluation outlines for measuring instruments.

Publish Date: 2009-08-18

JJF 1221-2009 Replaced

JJF 1221-2009 Calibration Specification for Chassis Dynamometers for Automobile Emissions Testing

This standard specifies the metrological characteristics, calibration conditions, calibration items, and calibration methods of chassis dynamometers used for detecting exhaust pollutants from automobiles (hereinafter referred to as chassis dynamometers).
This standard applies to the calibration of chassis dynamometers used for detecting exhaust pollutants from automobiles equipped with spark-ignition engines under steady-state operating conditions, simple transient operating conditions, and compression-ignition engines under load-and-deceleration operating conditions.

Publish Date: 2009-07-10

JJF 1229-2009 Replaced

JJF 1229-2009 Mass and Density Terms in Metrology and Their Definitions

This standard is intended for use in the formulation and amendment of quality measurement technical regulations, and may also be referenced and used in other aspects of quality measurement work and related fields.

Publish Date: 2009-07-10