The YC-1891G Single-Phase Intelligent Electricity Meter Calibration Device is designed and manufactured in accordance with the standards for the series of smart electricity meters by the State Grid (Southern Grid). It takes into full consideration the characteristics of different users, including power supply, metering systems, and electricity meter manufacturers, and is fully capable of meeting their calibration needs.
Category | Specification Name | Specification Parameters |
Power Supply | Voltage | AC220V ± 15% |
Frequency | 50/60Hz ± 2Hz | |
Environmental | Temperature | -10°C to +40°C |
Conditions | Humidity | 35% to 85% R.H. |
Output Voltage | Range | 0 to 480V |
Resolution | ≤ 0.01V | |
Power | > 10VA (per step) % | |
Stability | ≤ 0.02%/120s | |
Load Change Rate | ≤ 0.01% | |
Distortion | ≤ 0.3% (full linear load range) | |
Output Current | Range | 0 to 120A |
Power | > 15VA (per step) | |
Resolution | ≤ 0.01% | |
Stability | ≤ 0.02%/120s | |
Load Change Rate | ≤ 0.01% | |
Distortion | ≤ 0.3% (linear load range) | |
Output Phase | Phase Range | 0 to 360° |
Resolution | 0.01° | |
Output Frequency | Range | 45 to 65Hz |
Resolution | 0.01Hz | |
Output Power | Stability | ≤ 0.02%/120s |
Error Display | Signal Reading | From electronic pulse signal or LED light signal |
Display Method | LED digital display (8 digits) | |
Communication Protocol | Fully compliant with DL/T645-2007 and DL/T645-2009-001/002 standards |