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29
2025-09
Information on the Validity Term of Ex Certificates
The validity period of a domestic Explosion-Proof Certificate is usually 5 years, calculated from the date of certificate issuance. To help you clearly understand the key time points and precautions during the certificate's validity period, STS has
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10
2025-09
Basic Knowledge of Intrinsic Safety Ex Certification
Intrinsic Safety (“i”) Explosion-Proof Certification is a certification system for electrical equipment used in hazardous environments. It prevents sparks or high temperatures sufficient to ignite explosive mixtures by limiting energy (electrical and ther
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10
2025-09
the Documentation List required for Ex Certification
1. Product Description and Parameters (1) Product manual (including application scope, application scenarios, working principle, and main technical parameter……
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25
2025-08
Standard for certification of explosion-proof products
防爆电气设计的具体要求主要依据国家防爆标准GB/T 3836系列。不同防爆型式,如隔爆、本安和正压,都有相应的设计标准。 隔爆设计:需要参考GB/T3836.1(通用要求)和GB/T3836.2(隔爆型“d”)的相关要求。 增安设计:需要参考GB/T3836.1(通用要求)和GB/T3836.3……
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19
2025-08
Advantages of agency services for get a ex certification
产品做防爆认证选择自己做或代理公司需根据企业自身情况决定,主要取决于成本、技术能力和时间要求。下面深圳中诺检测技术有限公司分析代理取证和自己申请的优缺点对比供大家参考。 1、成本与风险 ◆ 自行办理:需承担人工、资源、实验室对接等费用,若资料或产品不符合标准,可能导致重复整改和测试,增加成本。 ◆代理……
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18
2025-08
What is the difference between ex certificate and ex CCC certificate?
防爆合格证和防爆CCC证书都是针对防爆设备的认证要求,但它们之间存在一些区别。 防爆合格证是针对防爆3C目录之外的产品进行认证的,其认证模式是产品检测,只要产品检测合格就可以颁发防爆合格证书。而防爆CCC证书则是针对防爆3C目录内的产品,需要采取“产品检测+工厂评审”的模式进行认证,既要做产品的型式试验,也要做工……
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15
2025-08
How to get an on-site explosion-proof electrical testing report?
防爆电气检测主要是针对使用中的电气设备进行的定期检测,目的是检查并及时发现使用过程中可能出现的问题,从而最大限度降低爆炸性风险的发生。检测过程主要依据AQ3009-2007规范进行,该规范规定了检测的具体内容和标准。 检测内容主要包括以下几个方面: 防爆设备选型:检查设备选型是否合理,例如是否根据爆炸危险区……
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14
2025-08
The classification of Ex Explosion proof Certification Levels
关于Ex防爆认证等级划分,深圳中诺检测技术有限公司可以为您详细解释如下: 防爆电气设备按照使用场所不同,划分为Ⅰ类防爆合格证、Ⅱ类防爆合格证和Ⅲ类防爆合格证等。 Ⅰ类防爆合格证:主要用于煤矿井下等含有甲烷等易燃易爆混合物的环境,一般是跟设备的煤安证书一起使用的。 Ⅱ类防爆合格证:适用于除煤矿外的其他易……
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12
2025-08
What the meaning of Ex Marking?
防爆认证标志字母的含义对于理解和选择适合的防爆设备至关重要。以下是一些常见防爆等级字母的含义: Ex:这是防爆电气设备的标志,表示该设备具有防爆功能。所有防爆设备上都需要印有这个标志。 ib、db、eb:……
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08
2025-08
How to apply and inquiry a Ex installation qualification certificate?
防爆电气设备安装、检修、维护资质证书是防爆施工和改造企业中必不可少的资质证书之一。以下是深圳中诺检测技术有限关于该证书的一些详细信息: 办理条件和资料:营业执照和个人身份证:需要提供公司的营业执照以及办理员工的身份证信息。 培训合格:不少于3人要通过防爆电气的知识培训,并考核合格,取得个人培训资质证书。 ……
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About
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