DAE DDM730 KIT
5.0Editor score
Internal CT pass-through
Din rail mounting
Cloud metering ready
In this guide
Choosing the right electric sub meter helps you track energy usage accurately across different tenants or circuits. These devices provide essential data for billing and managing power consumption efficiently.
We compared ten leading models based on accuracy, installation ease, and communication features. Our list covers single-phase and three-phase options suitable for various residential and light industrial needs.
Each pick highlights key strengths and ideal use cases. While prices may vary over time, these selections offer reliable performance and value for diverse monitoring applications today.
Top 3 Picks for Best Electric Sub Meter
Digital Electric Sub Meters for Landlords
4.5Editor score
Easy ANSI 2S installation
Bright LCD readings
Pulse and Modbus support
DAE P153-200-S KIT
4.5Editor score
Revenue-grade accuracy
UL CTEP approved
RS485 Modbus communication
Top 10 Best Electric Sub Meter in 2026 Compared
This side-by-side comparison highlights key specifications for all ten models. Use this table to quickly identify voltage ratings, amperage limits, and communication protocols.
ProductsSpecificationsEditor scorePrice
Editor's Choice
Digital Electric Sub Meters for Landlords
120/240V Single Phase
200 Amp Capacity
ANSI Form 2S Socket
RS485 Modbus Support
4.5Editor score
Editor's Choice
Digital Electric Sub Meter CL200
120/240V Single Phase
200 Amp Capacity
ANSI Form 2S Socket
RS485 Modbus Interface
4.8Editor score
Best Premium
Series 2000 Single Phase
120/208/240V
200 Amp Rating
1PH/2W/3W Config
Outdoor Rated Enclosure
3.2Editor score
DAE P153-200-S KIT
120/240V Single Phase
200 Amp Rating
UL CTEP Approved
RS485 Modbus Protocol
4.5Editor score
DAE DEM730P Electric kWh
120/240V Single Phase
50 Amp Capacity
Internal CT Built-in
RS485 Modbus Option
4.4Editor score
DAE P254-200-S KIT
120-480V Three Phase
200 Amp Rating
UL CTEP Approved
RS485 Modbus Ready
4.5Editor score
Single Phase kWh Meter Pass-Through
120/240V Single Phase
100 Amp Capacity
Pass-Through Design
Local or Remote Read
4.4Editor score
DAE DDM730 KIT
120/240V Single Phase
100 Amp Rating
Din Rail Mounting
Internal CT Pass-Through
5.0Editor score
Universal Single Phase kWh Meter
120/240V Single Phase
100 Amp Capacity
2 or 3-Wire
Pulse Output Remote
4.5Editor score
E-Mon D-Mon E10-3208100-JKIT
120/208-240V
100 Amp Class 1000
1 or 2 Phase
KWh SubMeter Type
4.2Editor score
1. Digital Electric Sub Meters for Landlords – Best Overall Electric Sub Meter
Digital Electric Sub Meters for Landlords
120/240V Single Phase
200 Amp CL200
ANSI Form 2S Socket
Pulse and Modbus Output
This digital energy meter leads our list with solid performance for landlords and RV owners. Its 4.5-star rating reflects reliable kWh tracking across diverse settings. The bright LCD and clear labeling make setup straightforward.
Pros
- Easy ANSI 2S socket installation
- Bright LCD with auto-cycle display
- Pulse and Modbus communication
- Solar import/export monitoring
- EEPROM retains data during outages
Cons
- Solid-state may not fit old sockets
- Requires proper panel enclosure
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Key strengths include the ANSI 2S 4-jaw fit for quick snap-in installation. You can monitor total consumption, real-time draw, and solar flow. The Reverse-flow LED ensures safety by detecting polarity issues immediately.
Trade-offs involve the need for a standard meter socket base. It is not universal for all legacy systems. However, this limitation is acceptable given the precision and communication features it provides.
Ideal for rental units, garages, and off-grid cabins. It ensures fair billing and helps plan future energy upgrades. Choose this for dependable accuracy and seamless integration with existing electrical panels.
Seamless Integration
The labeled terminals simplify connecting line, load, and neutral. This design allows you to begin monitoring usage immediately through the bright LCD.
Versatile Monitoring
Perfect for DIY users seeking a reliable electric setup. The Pulse and Modbus options support simple trend tracking to identify high-load devices.
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2. Digital Electric Sub Meter CL200 – High-End Electric Sub Meter
Digital Electric Sub Meter CL200
120/240V Single Phase
200 Amp Capacity
ANSI Form 2S Socket
RS485 Modbus Interface
The second pick is a refined model with a 4.8-star rating. It focuses on precise energy measurement and advanced communication. Ideal for professional setups needing detailed data tracking.
Pros
- High accuracy energy measurement
- Import/export for solar systems
- Non-volatile EEPROM storage
- Backlit multi-parameter LCD
- Front infrared optical interface
Cons
- Complex for non-technical users
- Requires specific socket type
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It measures import and export energy for solar applications. The reverse current LED provides quick status feedback. RS485 Modbus allows centralized data collection across multiple meters easily.
The learning curve may be steeper for casual users. However, the professional configuration options justify the effort. It offers robust long-term monitoring records for complex electrical systems.
Best for landlords and property managers needing centralized control. The non-volatile memory ensures records survive power interruptions. Choose this for advanced energy management and professional-grade reliability.
Data Integrity
EEPROM retains important energy data during power interruptions. This helps maintain reliable long-term monitoring records without data loss.
Solar Compatibility
Ideal for solar systems and backup power setups. The reverse current LED ensures accurate bidirectional power monitoring.
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3. Series 2000 Single Phase – Reliable Electric Sub Meter
Series 2000 Single Phase
120/208/240V
200 Amp Rating
1PH/2W/3W Config
Outdoor Rated Enclosure
This model is designed for durability and versatile installation. Its 3.2 rating reflects mixed experiences but solid construction. It suits commercial or outdoor settings needing robust performance.
Pros
- Durable outdoor enclosure
- Flexible configuration options
- Broad voltage compatibility
- Compact space-saving design
- Clear labeling for setup
Cons
- Lower user satisfaction ratings
- Fewer smart features included
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The enclosure withstands outdoor conditions effectively. Flexible setup supports 1PH, 2W, or 3W configurations. This allows adaptation to various electrical system requirements easily.
Lack of advanced digital features may limit tracking. However, its simplicity appeals to users needing basic monitoring. The compact design saves space in crowded panels.
Ideal for industrial spaces or outdoor installations. It provides reliable measurement without complex setup. Choose this for durability and broad voltage compatibility in tough environments.
Versatility
Flexible setup supports 1PH, 2W, or 3W configurations. This adapts to various electrical system requirements with ease.
Durability
Rated for outdoor installations with robust construction. It withstands harsh conditions while maintaining accuracy over time.
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4. DAE P153-200-S KIT – Premium Electric Sub Meter
DAE P153-200-S KIT
120/240V Single Phase
200 Amp Rating
UL CTEP Approved
RS485 Modbus Protocol
This premium option offers revenue-grade accuracy and cloud integration. Its 4.5 rating highlights trusted performance for billing. Ideal for landlords needing professional-grade data without IT experts.
Pros
- Revenue-grade accuracy
- Cloud metering integration
- TOU billing reports
- Factory calibration certificates
- Split or solid core CTs
Cons
- Higher investment cost
- Cloud gateway separate purchase
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The Cloud Metering gateway enables real-time access via PC. Time of Use billing reports simplify tenant management. Calibration certificates ensure national accuracy standards are met reliably.
Initial setup requires wiring and potential gateway purchase. However, the long-term billing efficiency is worth it. It supports both split and solid core CTs for flexibility.
Best for multi-unit buildings needing precise billing. It reduces disputes with transparent data. Choose this for high accuracy and professional cloud reporting capabilities.
Billing Simplicity
TOU billing reports are available to simplify tenant management. It helps landlords manage costs efficiently without technical hassle.
Certified Accuracy
Factory Calibration Certificates ensure compliance with national standards. This builds trust in your energy tracking data.
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5. DAE DEM730P Electric kWh – Compact Electric Sub Meter
DAE DEM730P Electric kWh
120/240V Single Phase
50 Amp Capacity
Internal CT Built-in
RS485 Modbus Option
This model simplifies installation with an internal CT. Its 4.4 rating reflects ease of use and reliability. Perfect for smaller circuits needing accurate tracking.
Pros
- Internal CT for easy install
- Cloud metering integration
- TOU billing reports
- IEC standard compliance
- Factory calibration available
Cons
- Indoor use only standard model
- Limited to 50 Amp capacity
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Cloud Metering allows real-time access and billing reports. It conforms to IEC standards for international consistency. The TOU billing features support complex rate structures.
The 50A limit suits light loads or specific circuits. It is also limited to indoor use without extra enclosure. These constraints make it ideal for controlled environments.
Ideal for workshops or small rental units. It provides smart features without complex external wiring. Choose this for a balance of intelligence and compact design.
Smart Billing
Time of Use billing reports support complex rate structures. It helps landlords manage costs efficiently.
Standard Compliance
Conforms to International Standard IEC61036. This ensures reliability across different regions.
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6. DAE P254-200-S KIT – Industrial Electric Sub Meter
DAE P254-200-S KIT
120-480V Three Phase
200 Amp Rating
UL CTEP Approved
RS485 Modbus Ready
This model brings precision to three-phase systems. Its 4.5 rating reflects reliable performance in demanding environments. Ideal for industrial or commercial power monitoring.
Pros
- Three-phase capability
- Broad voltage range
- Cloud integration ready
- Factory calibration included
- Fuse-free panel connection
Cons
- Complex wiring for 3-phase
- Requires professional setup
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It handles 120 to 480V flexibly. The fuse-free connection simplifies panel setup. Cloud Metering options enable remote access and billing reports.
The setup is complex for DIY users. However, it saves time and cost compared to separate enclosures. It ensures compliance with national accuracy standards.
Best for commercial buildings needing robust data. It provides accurate billing and energy management. Choose this for three-phase versatility and high accuracy.
Ease of Connection
Confirmed by UL fuse is not required. This simplifies panel connection and reduces parts.
Scalability
Cloud Gateway enables centralized data collection. It supports professional energy management applications.
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7. Single Phase kWh Meter Pass-Through – Flexible Electric Sub Meter
Single Phase kWh Meter Pass-Through
120/240V Single Phase
100 Amp Capacity
Pass-Through Design
Local or Remote Read
This unit offers a straightforward pass-through design. Its 4.4 rating highlights reliability for simple circuits. Ideal for garages or shops needing basic tracking.
Pros
- Pass-through wiring simplicity
- 120V to 240V compatibility
- Up to 100A rating
- Remote pulse output
- Supports various wire sizes
Cons
- No built-in communication
- No automatic display cycling
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It supports 2 or 3-wire systems easily. The local LCD provides instant readings. Pulse output allows remote monitoring if needed.
Lack of advanced smart features limits automation. However, it is robust and easy to install. It handles common wire sizes comfortably.
Best for users seeking simplicity. It measures usage without complex networks. Choose this for reliable tracking in non-smart settings.
Versatile Wiring
Supports 120V or 208-240V systems. This flexibility suits many existing installations.
Wire Capacity
Handles up to 13.5mm wire diameter. This fits a wide range of conductor sizes.
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8. DAE DDM730 KIT – Best Budget Electric Sub Meter
DAE DDM730 KIT
120/240V Single Phase
100 Amp Rating
Din Rail Mounting
Internal CT Pass-Through
This kit offers value with solid features. Its perfect 5.0 rating reflects user satisfaction. Ideal for those needing budget-friendly smart monitoring.
Pros
- Din rail mounting included
- Internal CT for easy install
- Cloud metering ready
- IEC standard compliant
- Cost-effective option
Cons
- Indoor use only standard
- Requires enclosure for outdoor
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Din rail mounting simplifies panel installation. Cloud integration allows easy billing reports. It complies with international standards for reliability.
Outdoor use requires an extra watertight enclosure. However, indoors it is simple and effective. The pass-through design avoids wiring complexity.
Best for workshops or small units. It provides smart tracking without high costs. Choose this for affordability and easy installation.
Simple Install
Internal CT means wiring is straightforward. It reduces time and tools needed for setup.
Modern Integration
Cloud Metering enables remote access. It supports property managers with simple tools.
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9. Universal Single Phase kWh Meter – General Electric Sub Meter
Universal Single Phase kWh Meter
120/240V Single Phase
100 Amp Capacity
2 or 3-Wire
Pulse Output Remote
This model offers universal compatibility for various setups. Its 4.5 rating reflects consistent performance. Ideal for general monitoring needs.
Pros
- Universal wire compatibility
- 100 Amp capacity
- Pulse output support
- Local LCD readings
- Handles thick wires
Cons
- Basic feature set
- No advanced smart features
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It supports 120V to 240V systems. The LCD displays data locally. Pulse output allows external counters if needed.
Basic features mean no cloud connectivity. However, it is robust and accurate. It handles thicker wires than cheaper alternatives.
Best for general electricians or DIY. It offers simplicity and reliability. Choose this for straightforward tracking.
Versatility
Supports 2 or 3-wire systems easily. This makes it adaptable to many panels.
Wire Capacity
Handles up to 100 Amps with thick wires. This suits demanding circuits.
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10. E-Mon D-Mon E10-3208100-JKIT – Specialized Electric Sub Meter
E-Mon D-Mon E10-3208100-JKIT
120/208-240V
100 Amp Class 1000
1 or 2 Phase
KWh SubMeter Type
This specialized unit targets specific electrical needs. Its 4.2 rating suggests niche use. Ideal for Class 1000 compliance.
Pros
- Class 1000 rating
- 1 or 2 Phase support
- Accurate kWh meter
- Broad voltage compatibility
- Specialized design
Cons
- Fewer smart features
- Limited compatibility info
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It supports 1 or 2 Phase configurations. The voltage range is broad. It is a reliable kWh meter for specific circuits.
Limited smart features mean manual monitoring. However, it is accurate and robust. Choose this for compliance with specific standards.
Best for industrial or commercial. It offers precise tracking. Choose this for specialized power management.
Class Compliance
Class 1000 rating ensures accuracy. This suits specific electrical requirements.
Flexibility
Supports 1 or 2 Phase configurations. This adapts to many panel setups.
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Buying Guide – How to Choose the Best Electric Sub Meter
Selecting the ideal meter requires understanding your electrical system and goals.
Voltage and Phase Compatibility
Ensure the meter matches your panel voltage and phase. Most residential units use 120/240V single-phase. Confirm the model supports 1PH or 3PH as needed to avoid mismatch.
Always verify voltage ratings before purchasing to guarantee proper operation.
Amperage Rating
Choose a meter with an amp rating equal to or higher than your circuit. A 200A model suits main feeds while 50A fits smaller circuits. Overloading can damage the device or void warranties.
Check the total load amperage to select the right capacity.
Installation Type
Decide between plug-in sockets and pass-through wiring. ANSI Form 2S sockets fit standard boxes. Pass-through designs work for retrofitting or non-standard setups. Consider your technical skill level.
Pick the method that fits your existing electrical panel.
Communication Features
Modern meters offer Modbus, RS485, or pulse outputs. These enable remote reading and billing automation. For DIY, basic LCDs may suffice. Professionals need protocols for centralized data.
Select communication options based on your tracking needs.
Solar and Bidirectional Support
If using solar panels, verify import/export capability. Some meters track reverse flow to measure energy sent back. This is key for net metering and system efficiency checks.
Look for reverse-current indicators if you have renewable energy.
Environmental Rating
Outdoor use requires weatherproof enclosures. Indoor-only models need separate boxes to survive moisture. Check if the unit is rated for the intended location.
Always match the enclosure to the installation environment.
Accuracy Standards
Revenue-grade meters meet strict national standards. They are necessary for billing tenants fairly. Basic units offer general tracking but lack certified precision.
Check for UL CTEP approval if billing is a priority.
Data Storage and Backup
EEPROM memory retains data during power loss. This ensures you never lose historical usage. Non-volatile storage is critical for accurate billing cycles.
Prioritize models with backup memory for reliability.
How to Use and Care for Your Electric Sub Meter
Start by verifying your panel voltage and phase match the meter. Use a multimeter to double-check before wiring.
Connect line and load terminals carefully. Ensure the neutral is secure to avoid reading errors.
Regularly check the display for accuracy. If readings fluctuate unexpectedly, inspect wiring connections.
Frequently Asked Questions
What is an electric sub meter?
An electric sub meter measures energy usage for specific circuits or tenants separately from the main meter. It helps allocate costs accurately and monitor individual power consumption.
Do I need a professional to install it?
While some models are DIY-friendly, electrical work can be risky. It is best to hire a licensed electrician to ensure safety and code compliance.
Can it track solar energy?
Yes, many models track import and export energy. This bidirectional capability is vital for solar systems to measure energy flow.
Is Modbus better than pulse output?
Modbus allows detailed digital communication and networking. Pulse is simpler and cheaper for basic counting. Choose based on your integration needs.
How accurate are these meters?
High-end models offer revenue-grade accuracy. Basic units are generally accurate enough for tracking but may vary slightly.
Can I use it outdoors?
Only if the model is rated for outdoor use or housed in a weatherproof box. Check specifications before installing outside.
Does it need constant power?
Most meters draw power from the circuit they monitor. Ensure the line voltage stays consistent for proper operation.
How do I reset data?
Most meters have a reset function or require communication access. Consult the manual to clear usage data if needed.
Final Thoughts on Choosing the Best Electric Sub Meter
We highlighted top models like the Digital Electric Sub Meters for Landlords for balanced features. The DAE DDM730 KIT stands out for value and ease of use.
Prioritize compatibility and smart features to save time. Accuracy ensures fair billing for tenants and owners alike.
Always verify current listings for updates. Prices and specs may change, so double-check before buying.