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Three criteria for evalsuating explosion-proof intrinsically safe circuits

Intrinsically safe circuits should meet the following three basic criteria:a) According to the protection level and equipment category specified for electrical equipment, when testing or evalsuating ci……

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Technical points for applying for explosion-proof certification of gas detectors

Gas detectors are quite common explosion-proof products, including intrinsically safe, explosion-proof, and both explosion-proof and intrinsically safe types. The choice of explosion-proof type depend……

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Material requirements for metal shells and shell metal components in product explosion-proof certification

Due to the instability of plastic casings and materials, as well as the danger of electrostatic charge accumulation, most explosion-proof products generally adopt metal casings or metal components to ……

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What are the latest GB/T 3836 series standards included?

GB/T 3836.1-2021 Explosive Environments Part 1: General Requirements for Equipment GB/T 3836.2-2021 Explosive Environments Part 2: Equipment Protected by Explosion proof Enclosures "d" GB/T ……

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Explanation of explosion-proof signs for Ex equipment used in combustible dust environments according to the new GB/T3836 standard

The new version of the GB/T3836 series standard has been officially implemented on May 1, 2022. The difference between new and old standards is a concern for many corporate customers. As the "ID ……

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The basic principle of explosion-proof certification

Explosion proof is one of the most commonly used explosion-proof types in the market, with applicable standards being GB/T 3836.1 and GB/T 3836.2. Mainly achieved through the protection of explosion-p……

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What is intrinsic safety? How to apply for intrinsic safety certification?

The explosion-proof certificates for the temperature vibration sensors, remote transmitters, methane monitoring devices, Bluetooth beacons, walkie talkies and other products we have recently processed……

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List of documents required for obtaining explosion-proof certificate

What documents are required to apply for an explosion-proof certificate, and how do customers need to provide explosion-proof certification materials? Shenzhen Zhongnuo Testing Technology Co., Ltd. he……

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The latest execution standards for explosion-proof electrical certification in China

At present, the international IECEx certification standard is the IEC60079 series, the EU ATEX certification standard is the EN60079 series, and the domestic explosion-proof certification standard is ……

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GB/T3836-2021 Basic requirements for explosion-proof level of explosion-proof type "da"

In the new version of GB/T3836-2021 explosion-proof standard, explosion-proof protection level has been added to explosion-proof electrical equipment, divided into "da" protection level (EPL……

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