BIS Certification for A.C. Static Direct Connected Watt-Hour Smart Meter (Class 1 & 2) as per IS 16444 (Part 1): 2015

IS 16444 (Part 1) specifies requirements for A.C. static direct connected watt-hour smart meters of accuracy Class 1 and Class 2, operating at 50 Hz for:

• Single-phase meters

• Three-phase balanced loads

• Three-phase unbalanced loads

The standard covers:

• Metering accuracy and limits of error

• Load profile recording

• Power consumption

• Communication interfaces

• Data security and tamper detection

• Environmental and endurance performance

• Interoperability with Advanced Metering Infrastructure (AMI)

Smart meters complying with IS 16444 (Part 1) support two-way communication, enabling remote reading, monitoring, control, and smart grid applications.

BIS certification under IS 16444 (Part 1) is mandatory due to Quality Control Orders (QCOs) issued by the Government of India. Manufacturing, importing, selling, or supplying non-certified smart meters can result in:

• Seizure of goods

• Heavy financial penalties

• Cancellation of business licences

• Prosecution under the BIS Act, 2016

Certified smart meters ensure consumer protection, billing accuracy, grid reliability, and national energy security.

For Manufacturers & Importers:

• Legal authorization to sell in India

• Eligibility for government and DISCOM tenders

• Higher product credibility and market acceptance

• Reduced compliance and recall risks

For Utilities & End Users:

• Accurate and transparent billing

• Secure data transmission

• Compatibility with smart grid systems

• Reliable long-term meter performance

Parameter	Details
Product Name	A.C. Static Direct Connected Watt-Hour Smart Meter
Accuracy Class	Class 1 & Class 2
Applicable Standard	IS 16444 (Part 1): 2015
Certification Scheme	ISI Mark – Scheme I (Schedule II)
Compliance Requirement	Mandatory
Frequency	50 Hz
Certification Authority	Bureau of Indian Standards (BIS)

• Electricity consumption measurement

• Residential, commercial, and industrial billing

• Smart grid and AMI deployment

• Renewable energy integration

• Prepaid and post-paid metering systems

For Indian Manufacturers

Estimated Timeline: 30–45 Days

• Application submission to BIS

• Product testing at BIS-recognised laboratory

• Factory inspection by BIS officials

• Grant of ISI licence

• Affixing ISI mark on product and packaging

For Foreign Manufacturers

Estimated Timeline: 180 Days

• FMCS application under BIS

• Nomination of Authorized Indian Representative (AIR)

• Sample testing in India

• Factory audit by BIS

• Licence issuance and marking approval

Standphill India manages documentation, lab coordination, audits, corrective actions, and licence issuance for both domestic and foreign manufacturers.

Category	Documents Required
Business Documents	Manufacturing licence / incorporation documents
Technical Documents	Product technical specifications, Circuit diagrams and component details
Testing Documents	Test reports (where applicable), BIS-recognized lab reports
Quality Documents	Quality control manuals, List of testing equipment, Calibration certificates
Authorization Documents	Authorisation letters (for importers / AIR)

• IS 13779 applies to non-smart AC static watt-hour meters

• IS 16444 (Part 1) applies specifically to smart meters with communication and control functions

For any meter with smart features, IS 16444 compliance is mandatory.

• Applying under the wrong Indian Standard

• Incomplete in-house testing facilities

• Incorrect marking or labelling

• Using uncertified components

• Skipping cybersecurity and communication tests

Standphill India ensures first-time approval without non-conformities.

Standphill India is a trusted BIS certification consultant offering:

• Complete ISI & FMCS certification support

• Smart meter compliance expertise

• BIS-recognised lab coordination

• Factory audit preparation

• Post-certification surveillance support

We help manufacturers reduce certification time, cost, and compliance risk.

BIS certification under IS 16444 (Part 1): 2015 is essential for ensuring the accuracy, security, and reliability of A.C. static direct connected watt-hour smart meters in India. Compliance not only fulfils legal obligations but also enables manufacturers to participate in India's expanding smart grid and utility infrastructure.

Partner with Standphill India to obtain BIS certification smoothly, efficiently, and compliantly.

Q1. Is BIS certification mandatory for smart meters in India?

Yes. BIS certification under IS 16444 (Part 1) is mandatory for manufacturing, importing, or selling smart meters in India.

Q2. How long does BIS certification take?

Around 30–45 days for Indian manufacturers and up to 180 days for foreign manufacturers.

Q3. Can IS 13779 meters be used as smart meters?

No. Meters with smart features must comply with IS 16444 (Part 1).

Q4. Can Standphill India assist foreign manufacturers?

Yes. Standphill India provides complete FMCS support including AIR services.

Q5. What tests are required for IS 16444 certification?

Tests include: Accuracy, load profile, communication protocols, security, environmental, and endurance tests as per standard requirements.

Q6. What is the difference between Class 1 and Class 2 meters?

Class 1 meters have higher accuracy (±1%) compared to Class 2 (±2%) meters as per IS 16444 requirements.

Q7. Can one license cover multiple meter models?

Yes, similar models can be grouped under one license if they share identical technical specifications.

Q8. Is factory inspection mandatory for smart meter certification?

Yes, BIS conducts factory inspection to verify manufacturing capability and quality control systems.

Q9. What is the validity of BIS license for smart meters?

BIS license is valid for 1-2 years and requires renewal with updated test reports and compliance verification.

Q10. Why choose Standphill India for smart meter BIS certification?

Standphill India offers specialized expertise in smart meter compliance, complete documentation support, lab coordination, and ensures first-time approval with zero non-conformities.