Class A Power Quality Meters for HT Consumers
What is a Class A Power Quality Meter?
A Power Quality Meter (PQM) is an advanced device that records and monitors parameters like:
- Voltage and frequency variations
- Harmonics and distortions
- Power factor
- Load profile and consumption trends
A Class A PQM, certified under IS 14697 standards, guarantees the highest level of accuracy, ensuring that data shared with MSEDCL is precise and reliable.
The Power Quality Meter shall be capable of recording and analyzing power quality parameters in accordance with IEC 61000-4-30 Class A methodologies and shall also meet the provisions of IEC 62586-2
It should measure and monitor the following parameters:
- Supply frequency
- Supply voltage magnitude
- Flicker levels
- Voltage swell events
- Voltage interruptions
- Voltage harmonics
- Current harmonics
- Voltage inter-harmonics
- Current inter-harmonics
- Voltage unbalance
- Data for harmonics report (IEEE 519 -2014) )
- Data for harmonics report (IEEE 519 -2014)
- PQ event report (Sag, Swell, Interruption, Rapid voltage change.
Why Are Power Quality Meters Required?
- Power Quality Meters are not just about compliance—they are essential tools for ensuring safe, reliable, and efficient energy use.
1. Compliance with MERC & MSEDCL Regulations
Power quality can be monitored centrally.
2. Prevents Equipment Damage
Poor power quality (like voltage sags, swells, or harmonics) can damage sensitive industrial equipment. PQMs help identify and prevent these issues.
3. Improves Operational Efficiency
By monitoring energy patterns, PQMs help industries reduce energy losses, optimize power factor, and avoid unnecessary costs.
4. Enhances Grid Reliability
Data from PQMs helps MSEDCL and MERC ensure grid stability and quality of supply for all consumers.
In short: Power Quality Meters safeguard your plant’s equipment, improve efficiency, and ensure regulatory compliance.
Why Choose Secure Meters?
At Balaji Engineers, we recommend and supply Secure meters, a globally trusted brand known for:
- Class A accuracy
- Robust build quality for industrial use
- Seamless integration with MSEDCL data-sharing systems
- Reliable after-sales support & calibration
With our technical expertise, we ensure a hassle-free supply, installation, and commissioning of Secure PQMs at your facility.
