JJF 1590-2016 Program of Pattern Evaluation of Differential Pressure Type Flowmeters

JJF 1001-2011 General Terms in Metrology and Their Definitions JJG 229-2010 Industry Platinum and Copper Resistance Thermometers JJG 640-2016 Differential Pressure Flowmeters JJG 860-1994 Pressure Transducer(Static) JJG 860-2015 Pressure Transducer(Static) JJG 882-2004 Pressure Transmitter JJG 882-2019 Pressure Transmitters JJG 1003-2016 Flow Integration Meters JJF 1183-2007 Calibration Specification of the Temperature Transmitter GB/T 2423.1-2001 Environmental testing for electric and electronic products—Part 2:—Test methods Tests A:Cold GB/T 2423.1-2008 Environmental testing for electric and electronic products—Part 2:Test methods—Tests A:Cold GB/T 2423.2-2001 Environmental testing for electric and electronic products—Part 2:Test methods-Tests B:Dry heat GB/T 2423.2-2008 Environmental testing for electric and electronic products—Part 2:Test methods—Tests B:Dry heat GB/T 2423.3-1993 Basic environmental testing procedures for electric and electronic products—Test Ca:Damp heat, steady state GB/T 2423.3-2006 Environmental testing for electric and electronic products—Part 2:Testing method—Test Cab:Damp heat, steady state GB/T 2423.3-2016 Environmental testing—Part 2:Testing method—Test Cab:Damp heat,steady state GB/T 2423.10-1995 Environmental testing for electric and electronic products—Part 2:Test methods—Test Fc and guidance:Vibration (Sinusoidal) GB/T 2423.10-2008 Environmental testing for electric and electronic products—Part 2:Tests methods Test Fc:Vibration(sinusoidal) GB/T 2423.10-2019 Environmental testing—Part 2:Tests methods—Test Fc:Vibration(sinusoidal) GB/T 2624.1-2006 Measurement of fluid flow by means of pressure differential devices inserted in circular cross-section conduits running full—Part 1:General principles and requirements GB/T 2624.2-2006 Measurement of fluid flow by means of pressure differential devices inserted in circular cross-section conduits running full—Part 2:Orifice plates GB/T 2624.3-2006 Measurement of fluid flow by means of pressure differential devices inserted in circular cross-section conduits running full—Part 3:Nozzles and Venturi nozzles GB/T 2624.4-2006 Measurement of fluid flow by means of pressure differential devices inserted in circular cross-section conduits running full—Part 4:Venturi tubes GB 4208-1993 Degrees of protection provided by enclosure (IP code) GB/T 4208-2008 Degrees of protection provided by enclosure(IP code) GB/T 4208-2017 Degrees of protection provided by enclosure(IP code) GB/T 17611-1998 Measurement of fluid flow in closed conduits—Vocabulary and symbols GB/T 17626.2-1998 Electromagnetic compatibility—Testing and measurement techniques—Electrostatic discharge immunity test GB/T 17626.2-2006 Electromagnetic compatibility—Testing and measurement techniques—Electrostatic discharge immunity test GB/T 17626.2-2018 Electromagnetic compatibility—Testing and measurement techniques—Electrostatic discharge immunity test GB/T 17626.11-1999 Electromagnetic compatibility—Testing and measurement techniques—Voltage dips, short interruptions and voltage variations immunity tests GB/T 17626.11-2008 Electromagnetic compatibility—Testing and measurement techniques—Voltage dips,short interruptions and voltage variations immunity tests GB/T 17626.11-2023 Electromagnetic compatibility—Testing and measurement techniques—Part 11:Voltage dips, short interruptions and voltage variations immunity tests for equipment with input current up to 16 A per phase GB/T 17626.4-1998 Electromagnetic compatibility—Testing and measurement techniques—Electrical fast transient/burst immunity test GB/T 17626.4-2008 Electromagnetic compatibility—Testing and measurement techniques—Electrical fast transient/burst immunity test GB/T 17626.4-2018 Electromagnetic compatibility—Testing and measurement techniques—Electrical fast transient/burstimmunity test JJG 229-1998 Verification Regulation of Industry Platinum Copper Resistance Thermometers JJG 640-1994 Verification Regulation of Differential Pressure Type Flowmeter JJF 1183-2025 Calibration Specification for Temperature Transmitters