Applications of Digital Multifunction Meter
- Class 1 accuracy according to IEC 62053-21 and Class 0.5, 0.5S, 0.2, 0.2S accuracy according to IEC 62053-22
- A real RMS measurement
- knowledgeable about load monitoring
- Provision of password protection for security
- Phase wise Waveforms of voltage and current in an LCD meter
- Site-selectable for 4 Phase, 3 Phase, 3 Phase wire, and Maximum 1 Phase Demand measurement in the 4440, 5000, and 5010 series with a real-time clock; auto scrolling and freeze mode provided for continuous single-page viewing
- Terminals that offer the option of sealing
- Key providing direct access to the Basic, Power, and Energy parameters
Specification of Digital Multifunction Meter
| Power quality analysis | Up to the 15th harmonic |
| Device application | Power monitoring |
| Type of measurement | Current Voltage Frequency Apparent energy Apparent power Active and reactive energy Active and reactive power |
| Metering type | Average current Iavg Average voltage Vavg Demand current I1, I2, I3 Phase currents Voltage U21, U32, U13, V1, V2, V3 Apparent power S, S1, S2, S3 Unbalance current Active, reactive, apparent energy (signed, four quadrant) Demand power P, Q, S Peak demand currents Calculated neutral current Peak demand power PM, QM, SM Reactive power Q, Q1, Q2, Q3 Unbalance voltage Power factor and displacement PF (signed, four quadrant) Active power P, P1, P2, P3 |
| [Us] rated supply voltage | 40…300 V AC 45…65 Hz 40…300 V DC |
| Network frequency | 60 Hz 50 Hz |
| [In] rated current | 5 A 1 A |
| type of network | 1P + N 3P + N 2P + N 2P 3P |
| Maximum power consumption in VA | 6 VA at 277 V between phase and neutral |
| Maximum power consumption in W | 2 W at 277 V |
| Display type | 7 segments LED |
| Display colour | Red |
| Messages display capacity | 3 fields of 4 characters |
| Display digits | 12 digit(s) – 14.2 mm in height |
| communication of data | Net energy Reading of time-stamped measurements and events Total energy Energy metering |
| Tamperproof of settings | Protected by access code |
| Sampling rate | 64 samples/cycle |
| Measurement current | 5…6000 mA |
| Signal | Current 0…12 A (impedance 0.3 MOhm)6 x Voltage (impedance 5 MOhm)4 x |
| Measurement voltage | 35…480 V AC 45…65 Hz between phases 35…277 V AC 45…65 Hz between phase and neutral 35…600 V AC 45…65 Hz between phases 35…347 V AC 45…65 Hz between phase and neutral 600…999000 V AC 45…65 Hz with external VT |
| Frequency measurement range | 45…65 Hz |
| Measurement accuracy | Current +/- 0.5 % Voltage +/- 0.5 % Power +/- 0.5 % Frequency +/- 0.05 % Power factor +/- 0.01 |
| Accuracy class | Class 1 active energy conforming to IEC 62053-21 Class 2 reactive energy conforming to IEC 62053-23 Class 5P harmonic distorsion (I THD & U THD) conforming to IEC 61557-12 Class 5P individual harmonics up to the 15th conforming to IEC 61557-12 |
| Number of outputs | 0 |
| Demand intervals | Configurable from 1 to 60 min |
| Information displayed | Voltage (min/max) Current (min/max) Power factor (min/max) Frequency (min/max) Active power (min/max) Apparent power (min/max) Reactive power (min/max) Time (min/max) Demand current (past value) Demand current (present value) Demand power (past value) Demand power (present value) |
| Local signalling | Green LED: activity Red LED: output signal 1…9999000 pulse/ k_h (kWh, kVAh, kVARh) Green LED: communication status |
| Communication port protocol | Modbus at 4800 bps, 9600 bps, 19200 bps, 38.4 Kbps even/odd or none – 2 wires, insulation 2500 V |
| Communication port support | RS485 |
