An AC energy meter is a specialized device engineered to collect AC power data for a single load or an entire system. Installed near panelboards or switchgear, it continuously provides insight into consumption patterns, load profile trends, and overall system performance.
Power Quality Monitoring
BRN-D513 Power Quality Analyzer
High-accuracy power quality analyzer for industrial and commercial systems. Supports real-time waveform monitoring, harmonic analysis, and event recording.
High-accuracy power quality analyzer for industrial and commercial systems. Supports real-time waveform monitoring, harmonic analysis, and event recording.
- Delivers high-accuracy power quality monitoring for demanding commercial and industrial electrical systems.
- Supports harmonic analysis up to the 63rd order to help identify distortion sources and improve system reliability.
- Captures waveform data and event records for faster diagnostics, troubleshooting, and post-event review.
- Integrates with SCADA, BMS, and EMS platforms through industry-standard Modbus communication.
Overview
Select communication protocol, CT/PT ratio, alarm thresholds, and wiring templates to match your deployment requirement in commercial or industrial power systems.
Software Overview
BRN Energy Management System is the digital solution to monitor and optimize your energy consumption and CO2 footprint, giving you the chance to make faster and better decisions based on data insights.
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- Energy management tool for small to large size sites, including industry-specific features
- Innovative cloud-based or on-premise platform and ready-to-use solution thanks to a Software-as-a-Service business model and pre-engineered functionalities which ensure on-site commissioning in less than 1 day
- Cost-efficient solution with add-on and premium services
Energy Manager Modules
Start Matching
- Gain access to site performance data without having devices connected
- Benchmark with other similar buildings in the country
- Access investment opportunities to save energy and lower carbon footprints
- Advise on possible enhancements
- Evaluate achievable targets to improve energy efficiency
Watching
- Visualize real-time and historical trend data from your multi-utility devices
- Assess energy consumption for the different areas, including the one necessary for auditing processes
- Quickly get reports from your energy devices on consumption & generation with related cost allocation
- Forecast your energy profile and ensure bench-marking of data from different sites
Performing
- Immediately recognize site performance by Energy Performance Indicators
- Collect time series data that affect that may affect energy consumption in your plant
- Get rationales by APIs or E-kit
- Integrate distributed energy resources together with energy multi-utility, electrical distribution and industrial equipment
Scanning
- Detect power quality anomalies from your medium and low voltage electrical distribution
- Identify power quality recurrence and impacts according to standardized KPIs
- Be advised on actions which can improve the power quality in your site
- Keep track of improvement activities to measure your benefits
Diagram
Reference wiring and deployment views for installation planning and system integration.
Product Map
Hardware layout reference for interface identification and installation planning.
Key Specs
Core performance highlights for specification review and project planning.
Measurement Accuracy
Delivers high-accuracy power quality monitoring for demanding commercial and industrial electrical systems.
Harmonic Analysis
Supports harmonic analysis up to the 63rd order to help identify distortion sources and improve system reliability.
Waveform & Event Recording
Captures waveform data and event records for faster diagnostics, troubleshooting, and post-event review.
System Integration
Integrates with SCADA, BMS, and EMS platforms through industry-standard Modbus communication.
Parameters
Detailed technical parameters for model selection and configuration review.
| Function / Parameter | BRN-D603 | BRN-D603A | BRN-D603B |
|---|---|---|---|
| General System Parameters | |||
| Dimensions | 230 × 145 × 83 mm | 230 × 145 × 83 mm | 230 × 145 × 83 mm |
| Weight | 2.0 kg | 2.0 kg | 2.0 kg |
| Operating Conditions | 0 °C to +45 °C, Humidity < 90% RH | 0 °C to +45 °C, Humidity < 90% RH | 0 °C to +45 °C, Humidity < 90% RH |
| Storage Conditions | -20 °C to +50 °C, Humidity < 95% RH | -20 °C to +50 °C, Humidity < 95% RH | -20 °C to +50 °C, Humidity < 95% RH |
| Input Voltage | AC 100V - 240V, 50Hz | AC 100V - 240V, 50Hz | AC 100V - 240V, 50Hz |
| Power Consumption | 7 W | 7 W | 7 W |
| Battery Save | Adjustable LCD backlight brightness | Adjustable LCD backlight brightness | Adjustable LCD backlight brightness |
| Memory Type | SD | SD | SD |
| Capacity | 32 GB | 32 GB | 32 GB |
| Screen Size | 112.8 × 84.6 mm | 112.8 × 84.6 mm | 112.8 × 84.6 mm |
| Resolution | 640 × 480 pixels | 640 × 480 pixels | 640 × 480 pixels |
| Measurement & Recording Functions | |||
| Waveform Real-time waveforms for Voltage and Current (Phases A, B, C, N) | ✓ | ✓ | ✓ |
| Frequency / Voltage Frequency, RMS, Phase Angle, Peak Values | ✓ | ✓ | ✓ |
| Power & Energy Active, Reactive, Apparent Power, Power Factor, 1-63th Harmonic Power | ✓ | ✓ | ✓ |
| Harmonics THD, DC, Amplitude, Phase Angle, Content (1-63th) | ✓ | ✓ | ✓ |
| Flicker PST (Short-term), PLT (Long-term) | ✓ | ✓ | ✓ |
| Imbalance Sequence Voltage/Current and Imbalance Ratios | ✓ | ✓ | ✓ |
| Event Recording Dips, Swells, Interruptions, Impulse Current, Limit Violations | ✓ | ✓ | ✓ |
| Analysis Automatic/Manual fault recording and power quality reports | ✓ | ✓ | ✓ |
| Parameter Accuracy Specifications | |||
| Frequency | 0.001 Hz | 42.5 Hz - 57.5 Hz | ±0.001 Hz | 0.001 Hz | 42.5 Hz - 57.5 Hz | ±0.001 Hz | 0.001 Hz | 42.5 Hz - 57.5 Hz | ±0.001 Hz |
| Voltage (RMS) | 0.001 V | 1 V - 1000 V | 0.1% of Nominal | 0.001 V | 1 V - 1000 V | 0.1% of Nominal | 0.001 V | 1 V - 1000 V | 0.1% of Nominal |
| Current (RMS) | 0.001 A | Dependent on Transformer | 0.1% + CT Accuracy | 0.001 A | Dependent on Transformer | 0.1% + CT Accuracy | 0.001 A | Dependent on Transformer | 0.1% + CT Accuracy |
| Power | 0.001 W | Dependent on V/I Range | 0.5% + CT Accuracy | 0.001 W | Dependent on V/I Range | 0.5% + CT Accuracy | 0.001 W | Dependent on V/I Range | 0.5% + CT Accuracy |
| Unbalance | 0.00001 | N/A | Voltage ±0.2% / Current ±0.5% | 0.00001 | N/A | Voltage ±0.2% / Current ±0.5% | 0.00001 | N/A | Voltage ±0.2% / Current ±0.5% |
| Flicker Accuracy | 0 - 20 | ±5% | 0 - 20 | ±5% | 0 - 20 | ±5% |
| Harmonics Accuracy | Up to 50th Order | <1% of reading (>1% nominal) | Up to 50th Order | <1% of reading (>1% nominal) | Up to 50th Order | <1% of reading (>1% nominal) |
| Standards & Compliance | |||
| Power Quality | IEC 61000-4-30 (Class A) | IEC 61000-4-30 (Class A) | IEC 61000-4-30 (Class A) |
| Flicker Standard | IEC 61000-4-15 | IEC 61000-4-15 | IEC 61000-4-15 |
| Harmonics Standard | IEC 61000-4-7 | IEC 61000-4-7 | IEC 61000-4-7 |
| Power Decomposition | IEEE 1459 | IEEE 1459 | IEEE 1459 |
| EMC Immunity | GB/T 17626.2 / .3 / .4 / .5 / .8 / .9 / .12 | GB/T 17626.2 / .3 / .4 / .5 / .8 / .9 / .12 | GB/T 17626.2 / .3 / .4 / .5 / .8 / .9 / .12 |
| Safety Level | CAT III 1000V / CAT IV 600V | CAT III 1000V / CAT IV 600V | CAT III 1000V / CAT IV 600V |
Related Industries
Software workflows for dispatch, forecasting, planning, and grid reliability.
Accessories
IP66/NEMA 4X Protective Cover
Designed for Acuvim II Series energy meter's 96mm by 96mm display. Crucial in harsh environments, it increases the IP environmental rating of a meter's display to IP66 or NEMA 4X.
USB-to-RS485 Converter
This plug-and-play USB to Serial RS485 Converter is designed to provide a convenient and reliable connection from Acuvim II meters to other devices with a USB port.
DIN Rail Adapter
Adapter provides the option to mount the Acuvim II meter on a DIN rail either at a horizontal or vertical angle. It is easily secured to the meter or AXM modules.
UL 508A Panel Shop
Pre-configured, pre-wired panel solution is ideal for on-site installations need to meet regional regulatory safety and environmental compliance. All panels are quality tested to be reliable and fault-free.
AC Current Transformers
The Acuvim II power meter support multiple current inputs: 5A/1A, 333mV and Rogowski Coil, and 80mA/100mA/200mA. They are among the industry's highest accuracy metering CT offering exceptional value.
Inline Fuse
In-line fuse holders are used in places with spatial constraints to provide circuit protection in the event of a fault. It is designed to be safe to the touch and flexible for use in different types of applications.
Test Lead & Voltage Clip
Testing leads are interfaced with two banana insertions for a secure fit. The voltage clip is insulated in a EPR case for a CAT IV safety rating and a strong installation alligator clamp.
Frequently Asked Questions
Common questions on wiring, setup, and commissioning.
AC energy metering is the process of measuring voltage, current, active power, reactive power, demand, and energy consumption in alternating-current systems so teams can monitor performance, billing data, and power quality behavior.
Digital panel meters focus on local display and operator visibility at the panel door, while transducers convert electrical measurements into standardized analog or digital output signals that are easier to integrate into PLC, SCADA, or DCS platforms.
Yes. With interval data, demand trends, and load profiling, an AC power meter helps identify waste, peak demand penalties, and abnormal operating patterns so optimization actions can be implemented and verified.
Current transformers safely scale primary current to a lower measurable value and provide isolation for metering devices. They allow accurate measurement on high-current circuits that cannot be directly connected to instrument inputs.
Choose a CT ratio that matches expected operating current and set the same ratio in the meter configuration. If CT ratio settings are incorrect, displayed current, power, and energy will scale incorrectly even if wiring is correct.
Typical mistakes include reversed CT polarity, phase sequence mismatch, wrong voltage pickup points, incorrect wiring mode selection, and leaving meter parameters at default values instead of site-specific configuration.
Follow the wiring diagram, verify phase mapping before commissioning, confirm CT/PT ratios in both hardware and meter settings, and run a commissioning checklist that compares measured values against known reference loads.
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