Complaint
| Description | |
| Model No. | MQ21 |
| Type | Three phase power quality analyzer |
| Supported types of current sensor | Rogowski coil, Voltage-output current clamp |
| Wiring mode | 3ф_WYE_4CT, 3ф_WYE_3CT, 3ф_DELTA_3CT,3ф_DELTA_2CT,1ф |
| Storage | 16GB Micro SD card,USB data download (default storage interval: 1 minute) |
| Harmonic | 51 times |
| Application | power analysis, energy measurement |
| Display screen | 1.3-inch color OLED |
| Weight | Approx 400g |
| Dimension | L*W*D:13*9.5*5.6CM |
| Color | White |
| 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 | |
| Electric source | Electricity from major loop, 90~528VAC |
| External battery | External 18650 lithium battery |
| Power consumption | |
| Max power consumption | 2.5W |
| Connecting terminal type | |
| ABC phase current input | SATA interface |
| N-phase current input | 5.08 terminal |
| Voltage input | 7.62 spacing terminals |
| Power supply | Electricity from major loop, 90~528V |
| 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 phases) |
| energy | Active energy, reactive energy, apparent energy(each phase, sum value of three phases) Exceeds 999.9GWh, energy value cleared to "0" automatically |
| Line voltage | Between phases |
| Angle between line voltages | 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 | |
| Temperature | 3 channels(optional) |
| 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 | |
| Record interval setting | 5 ~ 9999s (default 60s) |
| Data format | CSV |
| Storage capacity | Micro SD card: 16GB |
| Storage duration: 3 years (using 16GB SD card, once / 60s) | |
| Recorded data | Basic data Voltage harmonic Current harmonic |
| Event data record | |
| Data format | CSV |
| Recorded data | Event type Start time Duration Amplitude value Voltage RMS 1 / 2 value of each phase Voltage waveform of each phase |
| Measurement accuracy | ||
| Rogowski coil | Current measurement accuracy | 0.5%(1%~120% rated current) (<10A, accuracy not guaranteed) |
| Current gear | 600A(6A~720A): TRC-36 (50mV/kA@50Hz) | |
| 3000A(10A~3600A): NRC-150 (85mV/kA@50Hz) | ||
| 6000A(20A~7200A): NRC-200 (50mV/kA@50Hz) | ||
| ST08 current clamp | Current measurement accuracy | 0.5%(100mA~10A) |
| 1%(10mA~100mA), (<10mA, accuracy not guaranteed) | ||
| 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) | |
| Products expiry | 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 | ||
| EN 62052-11, EN61557-12, EN 62053-21, EN 62053-22, EN 62053-23, EN 50470-1, EN 50470-3, EN 61010-1, EN 61010-2, EN 61010-031 | ||
