Measurement standards are the basis and technical basis of measurement work, and also the key to ensure the accuracy and consistency of measurement.

Metrological standards usually include metrological regulations, metrological instruments, metrological verification regulations, etc., which are the basis and technical basis of metrological work.

JJF 1227-2009 Calibration specification for steady-state loading pollutant emission detection system of gasoline vehicles

JJF 1263-2010 sulfur hexafluoride detection and alarm instrument calibration specification

JJF 1361-2012 Chemiluminescence nitrogen oxide analyzer type evaluation outline

JJF 1674-2017 Calibration specification for benzene gas detection alarms

JJF 1699-2018 Type evaluation guidelines for carbon monoxide detection alarms for mines

JJF 1711-2018 Calibration specification for sulfur hexafluoride decomposition detector

JJG 1022-2016 Formaldehyde gas detector

JJG 1040-2008 digital optical interference methanometer calibration instrument

JJG 1087-2013 Oxygen detection alarm for mines

JJF 1362-2012 Type Evaluation guidelines for flue gas analyzers

JJF 1363-2019 hydrogen sulfide gas detector type evaluation outline

JJG 1138-2017 Non-dispersive infrared methane sensor for coal mines

JJG 1161-2019 Mine hydrogen sulfide gas detector

JJF 1421-2013 carbon monoxide detection alarm type evaluation outline

JJF 1433-2013 Calibration specification for chlorine gas detection and alarm apparatus

JJF 1481-2014 Type Evaluation outline for vehicle emission gas tester

JJF 1513-2015 Catalytic combustion methanometer manufacturing measurement equipment licensing requirements

JJF 1514-2015 Optical interference methanometer manufacturing measuring instrument license examination requirements

JJG 365-2008 electrochemical oxygen meter

JJG 535-2004 Zirconia oxygen analyzer

JJG 551-2016 Sulfur dioxide gas detector

JJG 635-2011 Carbon monoxide, carbon dioxide infrared gas analyzer

JJG 1093-2013 Carbon monoxide detection alarm for mines

JJG 1105-2015 Ammonia detector

JJG 1125-2016 vinyl chloride gas detection and alarm instrument

JJG 1133-2017 High and low concentration methane sensor for coal mine

JJF 1368-2012 Type evaluation guidelines for combustible gas detection alarms

JJF 1161-2006 Model evaluation program for catalytic combustion methane detectors

JJF 1163-2006 Optical interference methane meter type evaluation program

JJF 1213-2008 Calibration specification for pulmonary function apparatus

JJG 657-2006 Regulation for verification of exhaled gas alcohol content detectors

JJG 662-2005 Paramagnetic oxygen analyzer

JJF 1364-2012 Type evaluation outline of sulfur dioxide gas detector

JJF 1585-2016 Calibration specification for Continuous Monitoring system of flue gas emissions from fixed sources

JJG 677-2006 optical interference type methane detector

JJG 678-2007 Catalytic combustion methane detector

JJG 688-2017 Vehicle Emission Gas tester

JJG 695-2019 hydrogen sulfide gas detector

JJG 915-2008 Carbon monoxide detection alarm

JJG 945-2010 Trace oxygen analyzer

JJG 968-2002 Flue gas analyzer

AQ/T 3044-2013 Technical specification for ammonia detection and alarm instrument

JJF 1523-2015 Carbon monoxide, carbon dioxide infrared gas analyzer type evaluation outline