IS 14697
Electrical - AC static transformer operated watt-hour and VAR-hour meters, class 0.2S & 0.5S
Summry
AC static transformer operated watt-hour and VAR-hour meters are high-accuracy electronic energy meters used for measuring active and reactive electrical energy in power systems. Class 0.2S and 0.5S meters are mainly used for commercial, industrial, and utility-level billing applications.
Why BIS Certificate is Mandatory for AC static transformer operated watt-hour and VAR-hour meters, class 0.2S & 0.5S ?
BIS certification is mandatory to ensure accuracy, reliability, and safety in energy measurement. These meters are used for electricity billing, so BIS certification prevents revenue loss, billing disputes, and use of substandard meters. It ensures compliance with Indian electricity laws and protects consumers and utilities.
What is BIS Certified for AC static transformer operated watt-hour and VAR-hour meters, class 0.2S & 0.5S ?
A BIS certificate confirms that AC static transformer operated energy meters comply with Indian Standards for performance, accuracy, construction, and testing. It ensures the meter meets specified accuracy classes, environmental conditions, and long-term reliability requirements, allowing legal manufacturing, import, and sale in India
Test required For AC static transformer operated watt-hour and VAR-hour meters, class 0.2S & 0.5S 2
| Title | Mandatory/Optional |
|---|---|
| Terminals, Terminals block(s) and Protective Earth Terminal | Optional |
| Terminal Cover(s) | Optional |
| General and Constructional Requirements | Optional |
| Insulating Encased Meter | Optional |
| Clearance and Creepage Distance | Optional |
| Display of Measured Values | Optional |
| Output Device | Optional |
| Power Consumption | Optional |
| Power Consumption in Voltage Circuit | Optional |
| Influence of Supply Voltage | Optional |
| Voltage Range | Optional |
| Voltage Dips and Interruptions | Optional |
| Short-Time Over curren | Optional |
| Influence of Heating | Optional |
| Test of Influence of Self Heating | Optional |
| Insulation | Required |
| Immunity to Earth/Phase Fault | Optional |
| Limits of Error Due to Variation of the Current | Optional |
| Limits of Error due to Other Influence Quantities | Optional |
| Limits of Error Due to Ambient Temperature Variation | Optional |
| Starting and Running with No-Load | Required |
| Starting Current | Required |
| Meter Constant | Required |
| Repeatability of Error Test | Required |
| Shock Test | Optional |
| Vibration Test | Optional |
| Spring Hammer Test | Optional |
| Test of Resistance to Heat and Fire | Optional |
| Test of Protection against Penetration of Dust and Water | Optional |
| Test for Climatic Influences | Optional |
| Electromagnetic Compatiblity (EMC) | Optional |
Benefits of BIS Certification forAC static transformer operated watt-hour and VAR-hour meters, class 0.2S & 0.5S
1: Accurate Energy Measurement BIS-certified meters comply with strict accuracy requirements for class 0.2S and 0.5S, ensuring precise billing of active and reactive energy, minimizing revenue loss and billing errors.
2: Legal and Regulatory Compliance Certification is mandatory under Indian regulations, allowing manufacturers and importers to legally sell meters without penalties, seizures, or rejection by electricity utilities.
3: Reliability and Long Life BIS standards ensure meters are tested for temperature variation, electromagnetic interference, and durability, ensuring stable performance throughout their operational life.
4: Trust of Utilities and Consumers Electricity boards and large consumers prefer BIS-certified meters as they guarantee transparency, tamper resistance, and standardized performance.
5: Market Acceptance and Business Growth BIS certification enhances brand credibility, enables participation in government tenders, and expands market opportunities across India’s power and utility sector.