ISI / BIS Certification for A.C. Static Transformer Operated Watt Hour and Var-Hour Smart Meters, Class 0.2S, 0.5S and 1.0S

Class 0.2S, 0.5S, and 1.0S A.C. static transformer-operated watt-hour and var-hour smart meters are examples of sophisticated measuring instruments used in the energy sector for extremely accurate and exact monitoring of power usage. With their exceptional precision in measuring active power (watt-hour) and reactive power (var-hour), these smart meters provide customers and utilities with vital information about how their energy use habits are changing.

Different levels of accuracy are indicated by the letters Class 0.2S, 0.5S, and 1.0S, where Class 0.2S is the most accurate and Class 1.0S is the least. Class 0.2S meters are very accurate and are commonly used in commercial or industrial settings where accurate billing and monitoring of power use are crucial. Class 0.5S meters are ideal for many utility billing and monitoring applications because of their somewhat reduced but still extremely high degree of accuracy. Even though they are not as precise as the other two classes, class 1.0S meters are still often used in residential settings and offer trustworthy readings.

The Indian Standard IS 16444 Part 2: 2017 lays out specifications for watt-hour and var-hour smart meters that are powered by an A.C. static transformer. It primarily addresses Class 0.2S, 0.5S, and 1.0S meters. Adherence to IS 16444 Part 2:2017 facilitates the production of meters by manufacturers that fulfill the accuracy classes (0.2S, 0.5S, and 1.0S) with precision. By adhering to these standards, meters are guaranteed to meet the communication protocols and data formats necessary for interoperability, which promotes effective grid management and data exchange. Producers that follow these guidelines make sure their goods meet legal requirements, which lowers the possibility of legal problems and liabilities.

Note: Manufacturers must get the mandatory ISI Mark Certification in order to bring A.C. static transformer-operated watt-hour and var-hour smart meters, including Class 0.2S, 0.5S, and 1.0S, into the Indian market.

In order to guarantee the precision, dependability, and functionality of these cutting-edge electrical measuring devices—which are essential for the effective control of power consumption—ISI certification is a vital quality assurance step. It denotes that these meters have passed extensive testing and meet the strict standards established by the BIS, which are intended to assess their accuracy, robustness, and functioning. These meters may be used in both residential and commercial settings because of their certification, which guarantees that they adhere to the necessary criteria for accuracy and data reporting.

About ISI / BIS Certification

Indian Standards Institute, or ISI was renamed the Bureau of Indian Standards (BIS) in 1987. The official mark that the Bureau of Indian Standards provides for manufacturers of various goods is the ISI Mark. It is used to indicate compliance with Indian standards (IS) set by the Bureau of Indian Standards (BIS) and has been used as a conformity marking for industrial products. Manufacturers received permission from BIS to use the ISI Mark on items that comply with relevant Indian requirements through the product certification program. 

Only manufacturers (domestic or foreign) who produce the finished product will be awarded ISI Certification. This will not be given to any product importers, traders, dealers, or distributors.

Documents Required for ISI / BIS Certification

The following documentation is required to get an ISI certification:

• Main Application Form V
• Address Proof of Manufacturing Unit
• Details of Manufacturing Process
• Test Report of products

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Process of ISI / BIS Certification

There are two approaches for Indian manufacturers to become certified with the ISI Mark:

• Regular Procedure
• Simplified Procedure 

Regular Procedure

With the possible exception of cases deemed "All India first," which might take up to 180 days, the licensing procedure is expected to be finished in 120 days. This timeline starts on the day the application is received, assuming that at different points in time the documentation, unit assessment, and product conformance are all deemed acceptable.

Step 1: Manufacturing Unit Customization in Compliance with Applicable Indian Standards

• Identifying the applicable Indian Standard
• Establishing in-house testing facilities as per the Standard's requirements

Step 2: Submission of the Application Form

• Preparing an Internal Test Report for the product by the relevant Indian Standard
• Compiling all necessary documents
• Completing the Online Application Form
• Online payment of application fees directly to BIS
• Submitting hard copies of the Application Form with all enclosures to the relevant Branch Office (BO) of BIS

For more detailed information, please click here.

Simplified Procedure

This is a much faster process than the standard procedure. After a factory inspection is deemed satisfactory and the initial evaluation establishes that the sample complies with the applicable Indian Standard(s), the license application process is expected to be finished in 30 days.

Step 1: Adapting the Manufacturing Unit to Comply with the Relevant Indian Standard

• Identifying the applicable Indian Standard
• Establishing in-house testing facilities to meet the Standard's requirements

Step 2: Sample Testing

• Obtaining the necessary certificate for raw materials (Material Test Certificate - MTC)
• Conducting product sample testing at a BIS-recognized testing laboratory

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ISI Mark Certification Process for Foreign Manufacturers

The process of obtaining ISI Mark Certification for Foreign Manufacturers typically includes the following steps:

Step 1: Application

• Compile all the required documents.
• Submit the documents along with the Application Fee.
• An Application Number will be allotted.
• Scrutiny of the Application will be conducted within a specified time frame.​

Step 2: Query Raised (If Any)

• If any documents are missing or there is non-compliance, you will be informed.
• You need to submit a reply within the given timeframe.

​For more detailed information, please click here.

Why choose Brand Liaison?

Brand Liaison provides helpful support for achieving ISI Mark Certification. Among our offerings are:

•  Expert guidance
•  Streamline process
• Comprehensive support
• Cost-effective solutions
• Time efficient

Please click here to get in contact with our team of specialists for a deeper explanation of the paperwork and steps needed to get ISI Mark Certification.