Energy Meters
Green Watt supplies on-site reference energy meters for the verification and calibration of revenue-grade and industrial energy meters in the field. These portable reference standards allow metering engineers and utility inspection teams to test installed meters without removing them from service.
Key Features
- Class 0.05 accuracy or better across the full range
- 1-phase (GW-EMR1) and 3-phase (GW-EMR3) models available
- Direct connection or clamp-on current input options
- Real-time display of power, energy, power factor, and frequency
- Simultaneous display of all three phases (EMR3)
- RS-232 / USB communication for automated test reporting
- Rugged housing for substation and outdoor environments
- Complies with IS 16444 / IEC 62053 accuracy requirements
Applications
- ›Revenue meter verification and audit by utility inspection teams
- ›Post-installation commissioning check of LT and HT energy meters
- ›Periodic statutory verification per CEA (Meters) Regulations
- ›Energy audit and loss-reduction programmes by DISCOMs
Technical Specifications
| Accuracy Class | Class 0.05 or better |
| Models | GW-EMR1 (1-phase), GW-EMR3 (3-phase) |
| Communication | RS-232, USB |
| Standards | IS 16444, IEC 62053 |
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