This standard specifies the product classification, basic parameters, technical requirements, test methods, inspection rules, marking, packaging and storage of speed digital indicators (hereinafter referred to as indicators). This standard applies to display instruments whose input is frequency quantity.
JB/T 5220-2014 Referenced Document
GB/T 13384 General specifications for packing of mechanical and electrical product
GB/T 17626.11 Electromagnetic Compatibility Testing and Measurement Techniques Part 11: Voltage Dips, Short Interruptions and Voltage Variation Immunity Tests for Equipment with Input Current Less than or Equal to 16 A per Phase*, 2023-05-23 Update
GB/T 17626.3 Electromagnetic compatibility test and measurement technology Part 3: Radio frequency electromagnetic field radiation immunity test*, 2023-12-28 Update
GB/T 17626.4 Electromagnetic compatibility-Testing and measurement techniques-Electrical fast transient/burst immunity test*, 2018-06-07 Update
GB/T 17626.6 Electromagnetic compatibility—Testing and measurement techniques—Immunity to conducted disturbances,induced by radio-frequency fields*, 2017-12-29 Update
GB/T 18268.1 Electrical equipment for measurement,control and laboratory use.EMC requirements.Part 1:General requirements
GB/T 18271.3 Process measurement and control devices—General methods and procedures for evaluating performance—Part 3: Tests for the effects of influence quantities*, 2017-07-12 Update
GB/T 191-2008 Packaging.Pictorial marking for handling of goods
JB/T 6239.1 Geereral methods for testing the performance of industrial process measurement and control instruments.Part 1: Common and normal mode disturbance immunity tests