Standards and requirements for obtaining explosion-proof certificates for distributed fiber optic temperature measurement systems

How can enterprises apply for explosion-proof certification? ● Free application: Enterprises can apply to certification agencies on their own, prepare relevant materials, assist in debugging prototypes, and modify non-standard parts of the materials. The process is relatively long, the overall cost is high, and it is t……

Application for Explosion proof Certificate of Automatic Packaging Equipment

The application for explosion-proof certification for automatic packaging equipment is required at some automated packaging sites involving explosive media, such as alcohol, cosmetics, coatings, etc. Because these media themselves have explosive hazards, the packaging equipment and production lines on site must have ex……

Requirements for obtaining explosion-proof certificate for chemical storage cabinets

The application requirements for the explosion-proof certificate of chemical storage cabinets include that the chemical storage cabinet, as a combined explosion-proof equipment, is generally composed of explosion-proof distribution devices, explosion-proof lights, explosion-proof buttons, smoke detectors, sound and lig……

Test items for obtaining intrinsic safety explosion-proof certificate for handheld Raman analyzer

The explosion-proof mark of the handheld Raman analyzer processed by Nuo Testing is Ex ic IIC T4 Gc, which includes structural inspection, spark ignition test, temperature test, dielectric strength test, drop test, and IP test

Process and requirements for obtaining explosion-proof certificate for ultrasonic thickness gauge

The basic process for obtaining an explosion-proof certificate at Zhongnuo Testing involves the customer providing a product manual, conducting a preliminary evaluation, and Zhongnuo proposing a preliminary opinion on the explosion-proof certification mark. Zhongnuo has had technical exchanges with the customer in the ……

The main differences and connections between explosion-proof certificate and explosion-proof 3C certification

The main differences and connections between explosion-proof certificate and explosion-proof 3C certification are as follows: 1. Different product scopes. Both explosion-proof certificate and explosion-proof CCC certification are certification requirements for explosion-proof equipment. Whether to apply for explosion-p……

Certification bodies and laboratories for explosion-proof CCC certification

Not all institutions can do explosion-proof 3C certification, there are designated certification agencies and laboratories. At present, there are six designated issuing agencies for the first batch of explosion-proof electrical CCC certification certificates announced by the State Administration for Market Regulation, ……

What is the relationship between explosion-proof certification, explosion-proof qualification certificate, and explosion-proof 3C certification?

Explosion proof certification: Explosion proof certification is the process of determining whether equipment meets the requirements of explosion-proof standards, conducting type tests and routine tests for adaptation, and issuing relevant certificates of conformity. Explosion proof certificate: a document used to deter……

Are the execution standards for explosion-proof certification and explosion-proof 3C certification the same?

Since October 1, 2019, when some explosion-proof electrical equipment was included in the national mandatory product certification catalog, people have been confused about the relationship between the original production license, explosion-proof qualification certificate, and explosion-proof 3C certification. Below is ……

Example of Changes in the Coal Safety Certification Mark of the New GB/T3836 Standard

a) Change from mining explosion-proof type (Ex d I Mb) to mining explosion-proof type (Ex db I Mb); b) The mining explosion-proof and sealing type (Ex d mb I Mb) has been changed to the mining explosion-proof and sealing type (Ex db mb I Mb); c) The explosion-proof and intrinsic safety sound and light alarm, explosion-……