
Reference standard RS 3330
Reference standard RS 3330 serves as a precision standard for calibration and verification of electricity meters in compliance with MID and metrological requirements.

Reference standard RS 3330 serves as a precision standard for calibration and verification of electricity meters in compliance with MID and metrological requirements.
| Fundamental frequency range | 15 .. 70 Hz |
|---|---|
| Measured voltage range | 0.1 .. 600 V (phase to neutral) |
| Voltage and current ranges | 1.5 - 5 - 8 - 25 - 40 - 120 - 230 - 600 V |
| Measured current range | 0.1 mA .. 120 A |
| Current ranges | 12 - 36 - 60 - 180 - 360 mA - 1 - 2 - 5 - 12 - 36 - 60 - 120 A |
| Power factor range | 0 ... 1 (four-quadrant measurement) |
| Bandwidth | up to 10 kHz |
| Sampling | 24-bit, 125 000 samples per second |
| Harmonics and interharmonics | up to the 200th (digital processing up to the 1024th) |
| Temperature coefficient | < 0,0003 % / K |
| Long-term stability | < 0,0030 % / year |
| Measuring modes | 2-wire active / 2-wire reactive; 3-wire active / 3-wire reactive (artificial); 4-wire active / 4-wire reactive (artificial); 4-wire reactive (natural) |
| Meter testing | direct testing of induction or electronic meters or reference standards with simultaneous use of up to 4 error evaluations |