Multifunction Power Meter Guide: What It Measures, How It Works, Features, Accuracy and Applications

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Multifunction Power Meter Guide: What It Measures, How It Works, Features, Accuracy and Applications

Executive Summary

A multifunction power meter combines several electrical measurement functions into a single digital instrument.

Instead of installing separate meters for voltage, current, active power, reactive power, apparent power, power factor and frequency, a multifunction power meter can collect and calculate these parameters within one device.

Modern multifunction meters can also provide:

Real-time electrical measurement
Energy measurement
Demand monitoring
CT-based current measurement
RS485 communication
Modbus RTU integration
Remote data acquisition
EMS and SCADA integration
Multi-parameter digital display

This makes multifunction power meters particularly useful for:

Industrial power distribution
Manufacturing plants
Commercial buildings
Data centers
Solar PV systems
EV charging infrastructure
Energy management systems
Switchboards and electrical panels

For professional buyers, however, the key question is not simply “Which multifunction meter has the most functions?”

The better question is:

Which measurement functions, accuracy level, electrical topology, current input, communication interface and installation method match the actual project?

This guide explains how multifunction power meters work, what they measure, how to select them, and where they fit into modern energy monitoring architectures.

1. What Is a Multifunction Power Meter?

A multifunction power meter is a digital electrical measurement device that combines multiple electrical measurement capabilities into one instrument.

A conventional electrical panel may require several individual instruments:

Voltage Meter
      +
Current Meter
      +
Power Meter
      +
Power Factor Meter
      +
Frequency Meter
      +
Energy Meter

A multifunction power meter consolidates many of these functions:

              Electrical System
                     ↓
          ┌─────────────────────┐
          │ Multifunction Power │
          │       Meter         │
          └─────────────────────┘
             ↓    ↓    ↓    ↓
             V    A    kW   PF
             ↓    ↓    ↓    ↓
            Hz   kVA  kvar kWh

The exact functions depend on the model.

YADA’s power meter category includes multifunction three-phase meters such as the YD2037Y and YD2040Y, while the wider YADA measurement portfolio also includes power analyzers and energy meters for applications requiring different levels of measurement depth.

2. Why Are Multifunction Power Meters Important?

Modern electrical systems are becoming increasingly complex.

A factory may contain:

Hundreds of electrical loads
Multiple distribution panels
Motors
HVAC systems
Compressors
Variable-frequency drives
Solar generation
Battery storage
EV charging equipment

Simply knowing the total electricity consumption is often insufficient.

Engineers also need to understand:

How much power is being consumed now?
Which feeder is heavily loaded?
Is the voltage stable?
Is the current balanced?
What is the power factor?
How much reactive power is present?
Is the load approaching capacity?
How much energy is being consumed?
Can the data be integrated into an EMS?

A multifunction power meter provides this information from a single measurement point.

3. What Does a Multifunction Power Meter Measure?

The exact measurement list varies by model, but a typical multifunction power meter can monitor several categories.

3.1 Voltage

Typical measurements include:

Phase voltage
Line voltage
Average voltage
Voltage between phases

For three-phase systems, engineers may monitor:

L1-N

L2-N

L3-N

and/or:

L1-L2

L2-L3

L3-L1

depending on the electrical topology and meter design.

4. Current Measurement

Current measurement is one of the fundamental functions of a multifunction power meter.

The meter may measure:

L1 current
L2 current
L3 current
Average current

Current can generally be measured through:

Direct Connection

The load current passes through the meter.

Current Transformer

An external CT provides a scaled measurement signal.

For industrial applications with high current, CT-operated measurement is often more practical.

5. Active Power

Active power represents the power actually transferred to electrical loads.

It is normally expressed in:

W or kW

For example:

Motors consume active power.
HVAC systems consume active power.
Production equipment consumes active power.
Data center IT loads consume active power.

Monitoring active power provides real-time visibility into electrical loading.

6. Reactive Power

Reactive power is associated with the exchange of energy between inductive or capacitive components and the electrical system.

It is normally expressed as:

var or kvar

Reactive power is especially relevant in systems containing:

Motors
Transformers
Inductive loads
HVAC equipment
Industrial machinery

Monitoring reactive power helps engineers understand the behavior of the electrical system beyond simple energy consumption.

7. Apparent Power

Apparent power represents the combined effect of active and reactive power.

It is normally expressed in:

VA or kVA

This parameter is important when evaluating:

Transformer loading
Generator capacity
Distribution equipment
Cable loading
UPS capacity

A multifunction meter can therefore provide a more complete picture of equipment loading than a simple kWh meter.

8. Power Factor

Power factor describes the relationship between active power and apparent power.

A simplified relationship is:

Power Factor = Active Power / Apparent Power

A lower power factor generally means that more current is required to deliver the same amount of useful active power.

For industrial facilities, power factor monitoring can therefore help identify:

Inductive loading
Reactive power demand
Potential compensation requirements
Changes in electrical operating conditions

9. Frequency

Frequency is another basic parameter available on many multifunction meters.

Typical AC systems operate at:

50 Hz
60 Hz

Frequency monitoring can help verify the operating condition of the electrical supply.

For applications requiring detailed disturbance and harmonic analysis, however, a dedicated power quality analyzer may be more appropriate than a standard multifunction power meter.

YADA’s portfolio includes dedicated power quality analyzers such as the YDPQ200-A for applications requiring substantially deeper power-quality measurement.

10. Energy Measurement

Some multifunction power meters also provide energy measurement functions.

Common parameters include:

kWh
kvarh
Import energy
Export energy
Total energy

This makes the multifunction meter useful for both:

Power Monitoring

and

Energy Management

However, if the primary project requirement is certified energy billing, the buyer should verify the specific energy accuracy class and certification of the selected model rather than assuming that every multifunction meter is suitable for billing.

11. Maximum Demand

Some advanced multifunction measurement devices can also provide demand-related information.

Demand monitoring can help facilities understand:

Peak electrical loading
Maximum demand
Load patterns
Capacity utilization

This is particularly useful in facilities where demand charges or limited transformer capacity are important considerations.

12. How Does a Multifunction Power Meter Work?

A modern digital multifunction power meter generally follows this measurement process:

Electrical Signal
      ↓
Voltage Input + Current Input
      ↓
Signal Conditioning
      ↓
Analog-to-Digital Conversion
      ↓
Digital Calculation
      ↓
Electrical Parameter Processing
      ↓
Display / Memory / Communication
      ↓
EMS / SCADA / BMS

The meter continuously acquires voltage and current signals.

It then processes these signals digitally to calculate the required electrical parameters.

13. Voltage and Current Are the Foundation

Almost all power calculations depend on accurate voltage and current measurements.

The meter obtains:

Voltage → V

Current → A

and uses these signals to calculate:

kW
kvar
kVA
Power factor
Energy

This is why the quality and compatibility of the voltage and current inputs are critical to overall system accuracy.

14. The Role of Current Transformers

In high-current applications, the multifunction meter is often connected to external CTs.

The measurement chain becomes:

High Current Feeder
        ↓
Current Transformer
        ↓
Secondary Signal
        ↓
Multifunction Power Meter
        ↓
Electrical Data

For three-phase systems:

L1 → CT1 → Current Input 1
L2 → CT2 → Current Input 2
L3 → CT3 → Current Input 3

The meter combines the current information with the corresponding voltage information to calculate power and energy.

15. Why CT Selection Matters

The multifunction meter itself is only one part of the measurement chain.

Overall performance can be affected by:

CT ratio
CT accuracy
CT burden
CT installation
CT polarity
Wiring
Meter configuration
Electrical load range

For example, if the physical CT is 400/5 A, the meter must be configured correctly for the corresponding CT ratio.

An incorrect ratio can produce incorrect current, power and energy readings even when the meter itself is functioning correctly.

16. Direct-Connect vs CT-Operated Multifunction Power Meters

This is one of the first decisions an engineer should make.

Feature	Direct Connect	CT Operated
Current path	Through meter	Through CT
Typical use	Lower-current circuits	Higher-current circuits
Installation	Simple	Requires CTs
High-current applications	Limited	Suitable
Retrofit flexibility	Moderate	High
Switchgear applications	Depends on rating	Common

YADA’s AC energy-meter portfolio illustrates this distinction, with direct-connect meters for lower-current circuits and CT-operated three-phase models for higher-current distribution applications.

17. Three Phase Multifunction Power Meter

For industrial applications, the most common multifunction configuration is three-phase.

A three-phase multifunction meter may support:

3P3W
3P4W

depending on the model.

The meter can monitor:

L1 ── CT1 ──┐
             │
L2 ── CT2 ──┤
             ├── Multifunction Power Meter
L3 ── CT3 ──┤
             │
N ───────────┘

The actual wiring configuration must always follow the product’s technical documentation.

18. Multifunction Power Meter Accuracy

Accuracy is one of the most important specifications for professional buyers.

But accuracy should not be considered as a single number.

The buyer should evaluate:

Meter Accuracy

How accurately does the meter measure the electrical parameter?

CT Accuracy

How accurately does the CT measure current?

System Accuracy

How accurately does the entire measurement chain perform?

A useful engineering principle is:

Measurement accuracy is a system-level consideration, not just a meter specification.

19. Accuracy Class Explained

Depending on the product and measurement function, meters may specify different accuracy classes.

For example:

Class 0.2
Class 0.5
Class 0.5S
Class 1.0

The appropriate class depends on the application.

General Monitoring

Standard industrial accuracy may be sufficient.

Energy Management

Higher accuracy may be preferred.

Cost Allocation

Higher accuracy becomes more important.

Revenue / Billing

Applicable metering standards and certification must be verified.

Do not select an accuracy class solely because it is numerically smaller.

The measurement standard, parameter, operating range and certification all matter.

20. Multifunction Power Meter vs Energy Meter

These devices overlap significantly, but their primary purposes are different.

Feature	Multifunction Power Meter	Energy Meter
Voltage	✓	Model dependent
Current	✓	✓
Active Power	✓	Model dependent
Reactive Power	✓	Model dependent
Apparent Power	✓	Model dependent
Power Factor	✓	Model dependent
Frequency	✓	Model dependent
kWh	Often	Core function
Real-time monitoring	Core function	Common
EMS integration	Common	Common
Billing focus	Model dependent	Common

A multifunction power meter is generally chosen when the project needs real-time electrical visibility.

An energy meter is generally chosen when energy accumulation and accounting are the primary requirements.

Many modern products combine both.

21. Multifunction Power Meter vs Power Quality Analyzer

This distinction is important.

A multifunction power meter focuses on:

Voltage
Current
Power
Energy
Power factor
Frequency

A power quality analyzer is designed for more advanced analysis such as:

Harmonics
THD
Voltage events
Current events
Waveforms
Detailed disturbances
Power-quality compliance

For example, YADA’s YDPQ200-A is positioned as a Class A power-quality analyzer with high-order harmonic analysis, while YD2037Y and YD2040Y serve the broader multifunction power-monitoring role.

Therefore:

Use a multifunction power meter for operational power monitoring; use a power quality analyzer when detailed power-quality diagnosis is required.

22. Communication: Why RS485 Matters

A modern multifunction power meter does not have to operate as a standalone display device.

With communication, it can become a field-level data acquisition device.

A typical architecture is:

Electrical Feeder
       ↓
       CT
       ↓
Multifunction Power Meter
       ↓
    RS485
       ↓
 Modbus RTU
       ↓
   Gateway
       ↓
 EMS / SCADA

This allows measurement data to be collected centrally.

23. Modbus RTU Integration

Modbus RTU over RS485 is widely used in industrial monitoring because it is relatively simple and well suited to multi-device networks.

A typical network may include:

RS485 Bus
──────────────────────────
   │          │          │
Meter 1    Meter 2    Meter 3
   │          │          │
   └──────────┼──────────┘
              ↓
           Gateway
              ↓
             EMS

This architecture can significantly reduce the need for independent communication wiring from every meter to the central system.

24. Multifunction Power Meter for EMS

The multifunction meter often acts as the field measurement layer of an Energy Management System.

A complete architecture may look like:

                 ENERGY SOURCES
                      │
       ┌──────────────┼──────────────┐
       ↓              ↓              ↓
     Grid            PV             BESS
       │              │              │
       └──────────────┼──────────────┘
                      ↓
               Distribution
                      ↓
              CT + Power Meter
                      ↓
                 RS485 Modbus
                      ↓
                   Gateway
                      ↓
                    EMS
                      ↓
          Monitoring / Analysis

The EMS can use the meter data for:

Real-time monitoring
Energy statistics
Load analysis
Energy benchmarking
Peak demand analysis
Cost allocation
Energy-saving decisions

YADA positions its broader portfolio around integrated energy-management solutions spanning power meters, energy meters, CTs, sensors and related electrical monitoring products.

25. Multifunction Power Meter for Industrial Applications

Industrial facilities are one of the primary applications.

A factory may install meters at:

Main Incoming Feeder

To monitor total facility demand.

Production Lines

To compare energy consumption.

Major Equipment

To monitor high-power machinery.

HVAC

To evaluate cooling and ventilation energy.

Compressors

To monitor compressed-air system consumption.

Distribution Panels

To provide feeder-level visibility.

The resulting architecture becomes:

                 Factory
                   │
            Main Distribution
                   │
        ┌──────────┼──────────┐
        ↓          ↓          ↓
      Line 1     Line 2     HVAC
        ↓          ↓          ↓
      Meter      Meter      Meter
        │          │          │
        └──────────┼──────────┘
                   ↓
                  EMS

26. Multifunction Power Meter for Data Centers

Data centers require detailed visibility of electrical distribution.

Measurement points may include:

Main switchgear
UPS input
UPS output
PDU
Branch circuits
Cooling systems

A multifunction meter can help operators monitor:

Load
Power factor
Energy
Voltage
Current
Distribution capacity

For more granular branch-circuit measurement, specialized multi-circuit meters may be preferable.

YADA’s AC energy-meter portfolio includes multi-loop products such as the DTSD3366M-4-W1, designed to measure multiple three-phase branches from one device.

27. Multifunction Power Meter for Solar PV

Multifunction power meters can be used on the AC side of solar PV systems.

Typical architecture:

Solar PV
   ↓
Inverter
   ↓
AC Distribution
   ↓
Multifunction Power Meter
   ↓
Grid / Load
   ↓
EMS

The meter can provide visibility into:

AC voltage
AC current
Active power
Reactive power
Power factor
Energy

For projects that also require DC-side measurement, YADA’s DC and new-energy meter portfolio can complement the AC multifunction meter.

28. Multifunction Power Meter for EV Charging

EV charging infrastructure can create concentrated electrical loads.

A multifunction meter can be installed upstream of a charging group:

Grid
 ↓
Main Distribution
 ↓
Multifunction Power Meter
 ↓
EV Chargers

This enables operators to monitor:

Site power
Current
Energy
Power factor
Peak loading

For individual charger energy accounting, an application-specific energy meter may be more appropriate.

Therefore, the measurement point should be defined before selecting the meter.

29. Multifunction Power Meter for Smart Buildings

Smart buildings often require electrical monitoring at several levels.

Typical loads include:

HVAC
Lighting
Elevators
Office areas
Tenant areas
EV charging
Renewable generation

A multifunction power meter can provide feeder-level measurement.

When combined with an EMS or BMS, the data can be used to identify abnormal energy consumption and optimize building operation.

30. Multifunction Power Meter for Energy Auditing

Energy audits require reliable measurement data.

Temporary or permanent meters may be installed to compare:

Production areas
Equipment groups
Buildings
HVAC systems
Lighting
Utility systems

The objective is not simply to determine total energy consumption.

The objective is to understand:

Where energy is consumed, when it is consumed, and which loads are responsible for the consumption.

This is where multifunction measurement becomes particularly valuable.

31. Multifunction Power Meter for Load Monitoring

Load monitoring allows engineers to understand how electrical demand changes over time.

For example:

Low Load
    ↓
Normal Operation
    ↓
Peak Production
    ↓
Peak Demand

By collecting real-time measurements, engineers can identify:

Overloaded feeders
Underutilized capacity
Unexpected demand peaks
Abnormal operating conditions

This information can support future electrical capacity planning.

32. Multifunction Power Meter for Power Distribution Panels

Distribution panels are ideal locations for multifunction meters.

A typical installation is:

Incoming Feeder
      ↓
 Circuit Breaker
      ↓
      CT
      ↓
Multifunction Meter
      ↓
Outgoing Feeders

This provides measurement at the distribution level without requiring a separate meter for every electrical parameter.

33. Digital Display vs Remote Monitoring

A multifunction power meter can provide two complementary access methods.

Local Display

Engineers can immediately view:

Voltage
Current
Power
PF
Frequency

Useful for:

Commissioning
Maintenance
Troubleshooting

Remote Communication

Data can be sent to:

EMS
SCADA
BMS
Cloud platforms

Useful for:

Continuous monitoring
Historical analysis
Centralized management
Multi-site monitoring

The best architecture often combines both.

34. How to Choose a Multifunction Power Meter

A professional selection process should follow several steps.

Step 1: Identify the Electrical System

Determine:

Single phase or three phase
3P3W or 3P4W
AC voltage
Frequency

Step 2: Determine Current

Identify:

Maximum current
Normal operating current
Peak current

Then determine:

Direct connection or CT measurement?

Step 3: Select CT

If using CTs, confirm:

Primary current
Secondary current
Ratio
Accuracy
Window size
Installation type

Step 4: Define Required Parameters

Do you need:

Voltage?
Current?
kW?
kvar?
kVA?
PF?
Hz?
kWh?
Demand?

Do not pay for functions that the project does not need.

Step 5: Define Accuracy

Determine whether the meter is being used for:

General monitoring
Energy management
Cost allocation
Billing
Technical analysis

Step 6: Define Communication

Common requirements include:

RS485
Modbus RTU
Ethernet
Modbus TCP

For EMS integration, communication compatibility should be confirmed before purchase.

Step 7: Confirm Installation

Check:

Panel mount
DIN rail
Panel cutout
Module width
Terminal arrangement
Environmental conditions

35. Multifunction Power Meter Selection Checklist

Requirement	Questions to Ask
System	Single phase or three phase?
Wiring	3P3W or 3P4W?
Voltage	What is the rated voltage?
Current	What is maximum current?
CT	Is external CT required?
CT ratio	What ratio is required?
Accuracy	What accuracy class is needed?
Measurement	Which parameters are required?
Energy	Is kWh required?
Communication	RS485 / Modbus RTU?
Installation	DIN rail or panel mount?
Integration	EMS / SCADA / BMS?
Application	Industrial / solar / EV / data center?
Certification	Are project-specific certifications required?

36. YADA Multifunction Power Meter Solutions

YADA’s power-meter portfolio includes multifunction meters designed for industrial power monitoring and smart energy-management applications.

The current YADA Power Meter category lists the YD2037Y and YD2040Y as three-phase multifunction power-meter products.

YD2037Y

YD2037Y is positioned as a three-phase multifunction power meter for digital electrical monitoring and industrial power-distribution applications.

Typical application areas include:

Industrial power distribution
Electrical panels
Energy monitoring
Power management
EMS integration

For buyers looking for a multifunction instrument rather than a simple kWh meter, it can serve as a field-level electrical measurement device.

View YADA Power Meter Solutions

37. YADA YD2040Y

The YD2040Y is another three-phase multifunction power-meter solution in the YADA portfolio.

It is positioned for:

Digital power monitoring
Three-phase measurement
Industrial distribution
RS485 Modbus RTU communication
Smart energy management

The combination of multifunction measurement and communication makes this type of meter suitable for applications where the field device must provide data to a centralized monitoring system.

38. YD6600-N and YD2202

For projects requiring broader power-analysis options, YADA also lists the YD6600-N and YD2202 in its power-quality/power-analysis portfolio.

The YD6600-N is described as a three-phase multifunction smart power meter supporting RS485 and Modbus TCP, while the YD2202 is positioned as a digital power analyzer supporting single- and three-phase systems.

This gives system integrators multiple options depending on:

Measurement depth
Communication architecture
Electrical topology
Installation requirements
Power-quality requirements

39. Multifunction Power Meter as Part of a Complete YADA Solution

A multifunction meter is rarely the only component required for a modern energy-monitoring project.

A complete architecture may include:

              ELECTRICAL SYSTEM
                     │
                     ↓
              Current Sensors
                     │
                     ↓
              Current Transformers
                     │
                     ↓
          Multifunction Power Meter
                     │
              RS485 / Modbus
                     │
                     ↓
                  Gateway
                     │
                     ↓
              EMS / SCADA / BMS
                     │
        ┌────────────┼────────────┐
        ↓            ↓            ↓
   Monitoring     Analysis     Reporting

YADA’s product ecosystem includes:

This allows system integrators to build a broader electrical measurement and energy-management architecture rather than sourcing every measurement component separately.

40. Common Multifunction Power Meter Selection Mistakes

Mistake 1: Choosing Based Only on Number of Functions

More functions do not automatically mean a better meter.

The correct meter is the one whose functions match the project.

Mistake 2: Ignoring CT Compatibility

The meter and CT should be treated as a complete measurement chain.

Mistake 3: Selecting Accuracy Without Defining the Application

General monitoring and billing have different requirements.

Mistake 4: Ignoring Communication

If the meter must connect to an EMS, communication should be defined before purchasing.

Mistake 5: Confusing Power Monitoring With Power Quality Analysis

A multifunction meter is not automatically a Class A power quality analyzer.

If the project requires detailed harmonic or disturbance analysis, select the appropriate power-quality instrument.

Mistake 6: Ignoring the Electrical Topology

Always confirm:

1P2W
3P3W
3P4W

before ordering.

41. Frequently Asked Questions

What is a multifunction power meter?

A multifunction power meter is a digital electrical measurement device that combines multiple electrical measurement functions, such as voltage, current, power, power factor and frequency, into one instrument.

What does a multifunction power meter measure?

Depending on the model, it may measure:

Voltage
Current
Active power
Reactive power
Apparent power
Power factor
Frequency
Energy
Demand

Is a multifunction power meter the same as an energy meter?

Not necessarily.

A multifunction power meter emphasizes real-time electrical parameters, while an energy meter primarily focuses on accumulated energy. Many modern devices combine both capabilities.

Does a multifunction power meter require CTs?

Not always.

Direct-connect models can be used for suitable lower-current applications, while CT-operated models are commonly used for larger electrical feeders.

How many CTs are needed for a three-phase multifunction meter?

A typical three-phase CT measurement system uses three CTs, one for each phase.

The exact topology depends on the meter and electrical system.

Can a multifunction power meter connect to an EMS?

Yes, if it provides a compatible communication interface and protocol.

RS485 Modbus RTU is a common industrial architecture.

What is the difference between RS485 and Modbus RTU?

RS485 is the physical communication interface.

Modbus RTU is the communication protocol commonly transmitted over RS485.

They are related but are not the same thing.

Can a multifunction power meter measure solar power?

Yes.

It can be installed on the AC side of a solar inverter to monitor three-phase AC electrical parameters.

Can a multifunction power meter be used in a data center?

Yes.

It can be installed at:

Main switchgear
UPS
PDU
Distribution panels

For branch-level monitoring, specialized multi-circuit metering may provide better density.

Is a multifunction power meter suitable for power-quality analysis?

Only to the extent of its specified functions.

If the application requires detailed harmonic analysis, waveform capture or IEC 61000-4-30 Class A measurement, a dedicated power quality analyzer should be considered.

42. Glossary

Multifunction Power Meter

A digital meter combining several electrical measurement functions.

Active Power

Real power consumed or delivered by an electrical system, normally expressed in kW.

Reactive Power

Reactive component of electrical power, normally expressed in kvar.

Apparent Power

Combined electrical loading represented in kVA.

Power Factor

Relationship between active and apparent power.

CT

Current Transformer used to measure high electrical currents indirectly.

CT Ratio

Relationship between CT primary and secondary current.

RS485

A differential serial communication interface widely used in industrial systems.

Modbus RTU

An industrial communication protocol commonly implemented over RS485.

EMS

Energy Management System.

SCADA

Supervisory Control and Data Acquisition system.

BMS

Building Management System.

PDU

Power Distribution Unit.

Power Quality Analyzer

An instrument designed for advanced electrical power-quality measurement and analysis.

43. Key Takeaways

A multifunction power meter provides much more information than a simple electricity meter.

Its core value comes from combining:

Measurement + Calculation + Display + Communication

into one device.

For professional projects, the selection process should focus on:

Electrical topology + Current Measurement + CT Compatibility + Measurement Functions + Accuracy + Communication + Installation + Application

A typical industrial architecture is:

Three Phase Feeder → CT → Multifunction Power Meter → RS485 Modbus → EMS

A solar architecture may be:

PV → Inverter → Multifunction Power Meter → Grid / Load → EMS

A data center architecture may be:

Utility → Switchgear → UPS → PDU → Multifunction Meters → Monitoring Platform

The most important principle is:

Choose the multifunction power meter according to the measurement objective and system architecture—not simply according to the number of parameters listed on the datasheet.

Need a Multifunction Power Meter for Your Project?

YADA provides multifunction power meters and complementary electrical measurement products for industrial, commercial, renewable-energy and smart-energy applications.

The portfolio includes:

Three Phase Multifunction Power Meters
AC Energy Meters
DC Energy Meters
New Energy Meters
Current Transformers
Hall Current Sensors
Power Quality Analyzers
Active Harmonic Filters
Surge Protection Devices

YADA’s Power Meter category currently includes the YD2037Y and YD2040Y, while its wider measurement portfolio supports applications ranging from industrial distribution and EMS to renewable energy and data-center monitoring.

Talk to YADA’s Engineering Team

For a project quotation or technical recommendation, provide:

System voltage
Single-phase or three-phase
3P3W or 3P4W
Maximum current
CT ratio if applicable
Required accuracy
Required measurement parameters
Communication protocol
Installation method
Application scenario

YADA can help match the appropriate multifunction power meter, CT configuration and communication architecture to your project requirements.

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