Ex Certification Cases for Multifunctional On-line Monitors
Ex Marking: Ex ib db ⅡB T4 Gb
Ex Certification Standard Basis:
GB/T 3836.1-2021 Explosive Atmospheres - Part 1: Equipment - General Requirements
GB/T 3836.2-2021 Explosive Atmospheres - Part 2: Equipment Protected by Flameproof Enclosures "d"
GB/T 3836.4-2021 Explosive Atmospheres - Part 4: Equipment Protected by Intrinsically Safe "i"
Test Items:
Visual and Structural Inspection
Temperature Test
Impact Resistance Test
IP Test
Enclosure Pressure Resistance Test
Internal Ignition Non-Transmission Test
Spark Ignition Test
Dielectric Strength Test
Type Test for Diode Safety Barriers and Safety Shunts
Certificate Sample:

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