Complaint
| Description | |
| Model No. | MQ31 |
| Type | Three-phase power quality analyzer |
| Supported types of current sensor | Rogowski coil, Voltage-output current clamp |
| Wiring mode | 3P4W(4CT), 3P4W(3CT), 3P3W(3CT), 3P3W(2CT), Single phase |
| Storage | 16GB Micro SD card, USB DISK Download (Default storage interval: 1 minute) |
| Harmonic | Simultaneous 51 times |
| Application field | Power analysis, Electric energy measurement |
| Display screen | 8-inch capacitive screen |
| Weight | Approx 5kg |
| Dimension | L*W*D:415x319x168MM |
| Color | Black |
| Input current | |
| Primary side current range | 600A 0.5A ~ 720A 3kA 0.5A ~ 3600A 6kA 0.5A ~ 7200A |
| Secondary side current range(ST08 current clamp or the same type) | 1mA~10A |
| Input voltage value | 1/225mV~707mV |
| Overload capacity | 2V,10s/hours |
| Power supply | |
| Power supply | Electricity from major loop, 90~528VAC |
| Power consumption | |
| Max power consumption | 15W |
| Connecting terminal type | |
| ABC phase current input | 3.5mm Headphone jack |
| Voltage input | 4mm Banana plug |
| Measurement | |
| Voltage | UA, UB, UC, and average value |
| Current | IA, IB, IC, IN, and average value |
| Power | Active power, Reactive power, Apparent power (each phase, sum value of three phase) |
| Energy | Active energy, Reactive energy, Apparent energy (each phase, sum value of three phase) Exceeds 999.9GWh, energy value automatically cleared to "0" |
| Line voltage | Between phases |
| Angle between line voltage | Between phases |
| Angle between currents | Between phases |
| Power factor | Including harmonic power factor PF and fundamental power factor DPF (each phase, average value of three phases) |
| Max/Min. | |
| Voltage | Each phase, average value of three phases |
| Current | Each phase, average value of three phases |
| Power | Active power, Reactive power, Apparent power (each phase, sum value of three phases) |
| Unbalance degree | |
| Voltage | Each phase, the max unbalance degree of three phases |
| Current | Each phase, the max unbalance degree of three phases |
| Demand/Max Demand | |
| Current | Each phase, average value of three phases |
| Power | Active power, Reactive power, Apparent power (each phase, sum value of three phases) |
| Temperature and humidity ( Optional) | |
| Temperature | 3 channels |
| Humidity | 1 channel |
| Power quality | |
| Voltage swell | Start time, end time, amplitude value |
| Voltage dip | Start time, end time, amplitude value |
| Voltage harmonic value and percentage | Total harmonic, 1, 2, 3, 4...51 (51st) harmonics |
| Current harmonic value and percentage | Total harmonic, 1, 2, 3, 4...51 (51st) harmonics |
| General data record | |
| Time interval record setting | 5~9999s (default 60s) |
| Data format | .CSV |
| Storage capacity | Micro SD card: 16GB |
| Storage duration 3 years ( using 16GB SD card, 1 time/60s) | |
| Recorded data | Basic data Voltage harmonic Current harmonic |
| Event data record | |
| Data fromat | .CSV |
| Recorded data | Even type Start time Duration Amplitude value Voltage RMS1/2 value of each phase Voltage waveform of each phase |
| Measurement accuracy | ||
| Rogowski coil | Current measurement accuracy | 0.5%(1%~120% rated current), (<10A no guaranteed accuracy) |
| Current gear | 600A(6A~720A): Rogowski coil TRC-36, 50mV/kA | |
| 3000A(10A~3600A): Rogowski coil NRC-150, 85mV/kA | ||
| 6000A(20A~7200A): Rogowski coil NRC-200, 50mV/kA | ||
| ST08 current clamp | Current measurement accuracy | 0.5%(100mA~10A) |
| 1%(10mA~100mA,(<10mA no guaranteed accuracy) | ||
| ABC Voltage measurement accuracy | 0.2%(5~528V AC) | |
| Power factor | ±0.005 | |
| Active and apparent power | IEC62053-22 Class 0.5S | |
| Reactive power | IEC62053-21 Class 2S | |
| Frequency | 0.01%(45~65Hz) | |
| Active energy | IEC62053-22 Class 0.5S | |
| Reactive energy | IEC62053-21 Class 2S | |
| Environment condition | ||
| Operating temperature | -25ºC~+55ºC | |
| Storage temperature | -40ºC~+85ºC | |
| Humidity range | 5~95% RH,50ºC(non-condensing) | |
| Pollution level | 2 | |
| Overvoltage capacity | III,applicable to the distribution system below 277/480VAC | |
| Insulation strength | IEC61010-1 | |
| Altitude | 3000m Max | |
| Anti-pollution level | IP20(conforming to IEC 60629) | |
| Product warranty | 24 months | |
| EMC(Electromagnetic compatibility) | ||
| Electrostatic discharge | Level IV(IEC61000-4-2) | |
| Radiation Immunity | Level III (IEC61000-4-3) | |
| EFT Electrical Fast Burst Immunity | Level IV (IEC61000-4-4) | |
| Surge immunity | Level IV (IEC61000-4-5) | |
| Immunity to Conducted Disturbance | Level III (IEC61000-4-6) | |
| Power frequency magnetic field immunity | 0.5mT (IEC61000-4-8) | |
| Conduction and Radiation | Class B (EN55022) | |
| Standard compliance | ||
| EN62052-11, EN61557-12, EN62053-21, EN62053-22, EN62053-23, EN50470-1, EN50470-3, EN61010-1, EN61010-2, EN61010-031 | ||
