The QA-700e portable network analyzer has been designed for a wide range of applications. In addition to quickly locating the cause of network disruptions, it is the perfect tool for energy management audits in accordance with ISO 50001.
Featuring large memory for data storage, it has been developed for measurements in low, medium and high voltage networks and is ideally designed for mobile measurement operations in harsh environments and very confined spaces
The stored data can simply be downloaded to a USB key in csv format (directly usable via Excel) or fully analyzed by the software provided.
| Scope of use | |
|---|---|
| Applications | Network analysis, Energy measurement, Network quality analysis |
| Installation | |
|---|---|
| Wiring modes | 3P4W_4CT ; 3P4W_3CT 3P3W_3CT ; 3P3W_2CT 1P2W |
| Current sensors | RCM-36: Rogowski torus – diameter 36mm – up to 600A RCM-150: Rogowski torus – diameter 150mm – up to 3000A RCM-200: Rogowski torus – diameter 200mm – up to 6000A STM-10: rigid clamp – diameter xxmm – 5A (for secondary measurement of current transformers existing in the installation) |
| Voltage inputs | Direct measurement up to 600V Secondary measurement of voltage transformers |
| Data storage | |
|---|---|
| Type | TF card |
| Capacity | 32GB |
| Data export | USB (FAT32 system) |
| Communication | |
|---|---|
| Interface | RJ45- Ethernet |
| Protocol | Modbus-TCP |
| Power supply | |
|---|---|
| Adapter | 230V- 50Hz / 5VDC, 2A |
| Battery | Rechargeable lithium battery, type 18650, 2 pcs, capacity 4000 mAh |
| Battery life | >= 6h |
| Cooldown(off) | <= 5h |
| Power saving mode | The brightness of the screen backlight is adjustable The automatic screen off delay is adjustable. |
| Display screen | |
|---|---|
| Dimensions | 3.97 inch |
| Type | Color IPS display |
| Resolution | 480*800 pixels |
| Weight and dimensions | |
|---|---|
| Dimensions | 215*130*60mm |
| Weight | 850g |
| Environment | |
|---|---|
| Operating | Temperature -20°C~+55°C, Humidity < 90% RH |
| Storage | Temperature -40°C~+70°C, Humidity < 95% RH (without condensation) |
| Altitude | <= 2000 m |
| Safety standard | CAT III 600V according to IEC 61010-1 |
| Protection | IP30 |
Measurement
| Real-time measurement | |
|---|---|
| Voltage | Single voltages: VL1, VL2, VL3 Neutral-ground voltage: VN Composite voltages: U12, U23, U31 Peak of single voltages and crest factor Peak of composite voltages and crest factor |
| Current | Phase currents: I1, I2, I3, and IN Crest factor of currents: Î1, Î2, Î3 K Factor per phase: L1, L2, L3 |
| Frequency | Line frequency |
| Power | Active Power: P1, P2, P3, and total P Reactive Power: Phases Q1, Q2, Q3, and total Q Distorting Power: Phases D1, D2, D3, and total D Apparent Power: Phases S1, S2, S3, and total S |
| Power factor | PF1, PF2, PF3 and total PF |
| Cosinus phi (DFP) | DPF1, DPF2, DPF3 and total DPF |
| Energy | Active Energy: per phase and total (import / export) Reactive Energy: Per phase and total (import / export) Distorting Energy: Per phase and total (import / export) Apparent Energy: Per phase and total CO2 emissions |
| Harmonic measurements | |
|---|---|
| Voltage harmonics | THD (Total Harmonic Distortion in %), TOHD (Odd Harmonic Distortion in %), TEHD (Even Harmonic Distortion in %) Individual harmonics from 1st to 50th on each phase L1, L2, and L3 in %, Individual harmonics in % from 1st to 50th on each phase in value. |
| Current Harmonics | THD (Total Harmonic Distortion in %), TOHD (Odd Harmonic Distortion in %), TEHD (Even Harmonic Distortion in %) Individual harmonics from 1st to 50th on each phase L1, L2, and L3 in %, Individual harmonics in % from 1st to 50th on each phase in value. |
| Oscilloscope function | |
|---|---|
| Voltage waveform | Single-phase voltage waveform L1L2L3 or composite U12, U23, U31 |
| Current waveform | Phase current waveform L1L2L3 |
| Phase shift and phase angle | |
|---|---|
| Voltage phase angle | Per phase L1L2L3 |
| Current phase angle | Per phase L1L2L3 |
| Phase shift between voltage and current | Per phase L1L2L3 |
| Unbalance | |
|---|---|
| Unbalance | Voltage imbalance, current imbalance |
| Maximum indicator (Demand) | |
|---|---|
| Power demand and demand peak | Maximum active power indicator per phase L1L2L3 and total. Maximum reactive power indicator per phase L1L2L3 and total. Maximum apparent power indicator per phase L1L2L3 and total. |
| Current Demand and Peak Demand | Per phase L1L2L3 |
Data Logging
| Scope of use | |
|---|---|
| Recording Parameters | – Recording Name – Start Date of Recording – Recording Duration – Measurement Interval |
| Basic Recorded Data | – Single voltages (ph-N and N-PE) – Composite voltages (ph-ph) – Currents – Frequency – Power factor per phase and total – Cos phi (fundamental power factor) per phase and total – Active, Reactive, Distortive, and Apparent Power – Active energy (Imported, Exported) – Reactive energy (Imported, Exported) – Distortive energy (Imported, Exported) – Apparent energy – Harmonic voltages (THD, THD of even orders, THD of odd orders) – Harmonic currents (THD, THD of even orders, THD of odd orders) – Voltage peaks – Voltage peak factor per phase – Current peak factor per phase – Current K factor per phase – Voltage imbalance (indirect and homopolar components) – Current imbalance (indirect and homopolar components) – Angle (phase voltage angle, phase current angle, angle between voltages, angle between currents, angle between voltages and currents) – Max min (Single voltage, Composite voltage, Current, Frequency, Power Factor, Fundamental Power Factor: cos phi, Active Power, Reactive Power, Apparent Power) – Maximum indicator: Demand (Current, Active Power, Reactive Power, Apparent Power) – Demand peak: IM Max (Current, Active Power, Reactive Power, Apparent Power) |
| Recording of harmonic voltages | Harmonic voltages (THD, TOHD of odd harmonics, TEHD of even harmonics, percentage and Value of voltage harmonics: 1st-50th) |
| Recording of harmonic currents | Harmonic currents (THD, TOHD of odd harmonics, TEHD of even harmonics, percentage and Value of current harmonics: 1st-50th) |
| Data recording format | |
|---|---|
| Data | CSV |
| Events | CSV |
| Waveforms | CSV |
Measurement Accuracy
| Parameter | Type | Description |
|---|---|---|
| Voltage | Input voltage range | 0-600VAC |
| Measurement range | 0-600VAC | |
| Measurement Accuracy | 0.2% | |
| Current | Input voltage range | 0-420mVAC |
| Measurement range | RCM-36: 0 to 600A ; RCM-150: 15 to 3000A; RCM-200: 30 to 6000A STM-10: 0,01 to 5A | |
| Measurement Accuracy | 0.2%+ current sensor precision | |
| Frequency | Measurement range | 45Hz-65Hz |
| Measurement Accuracy | +/- 0.001 Hz | |
| Power factor | Measurement range | -1 – +1 |
| Measurement Accuracy | +/- 0.005 Hz | |
| Power | Precision of Active Power | 0.5% |
| Precision of Reactive Power | 1% | |
| Precision of Apparent Power | 0.5% | |
| Energy | Precision of Active Energy | 0.5% |
| Precision of Reactive Energy | 1% | |
| Precision of Apparent Energy | 0.5% |
M-VISU Software
M-Visu is a powerful software package for analyzing and processing data recorded by Meier Energy measuring devices equipped with on-board memory, such as portable network analyzers, power meters with memory, weather stations, RTU, etc.
It allows precise visualization and analysis of recorded data, while offering advanced features such as automatic reporting.
M-Visu gives you the flexibility and data analysis capabilities you need to make better maintenance and facility management decisions. Indeed, thanks to its advanced statistical analysis tools, M-Visu allows you to quickly identify trends, correlations and anomalies in recorded data. This essential functionality allows, in the case of electrical network analyzers, to optimize network performance and efficiently resolve problems.