Digital Electric Sub Meters for Landlords
4.5Editor score
ANSI Form 2S plug-in design
Clear LCD with backlight
Pulse and Modbus output
In this guide
Electric sub meters are essential tools for monitoring energy consumption in specific areas like rental units or workshops. They provide accurate data to help manage costs and identify waste efficiently.
We evaluated ten top models based on accuracy, installation ease, communication features, and durability. Each product was assessed for real-world suitability across residential and light industrial settings.
Each pick highlights key strengths and potential drawbacks to guide your decision. Note that prices and availability may change frequently, so verify current details before purchasing online.
Top 3 Picks for Best Electric Sub Meter
Digital Electric Sub Meter CL200
4.8Editor score
RS485 Modbus communication
Import/export energy measurement
Non-volatile EEPROM memory
DAE P153-200-S KIT
4.5Editor score
Revenue-grade accuracy
Cloud metering support
UL CTEP approved
Top 10 Best Electric Sub Meter in 2026 Compared
This comparison table outlines key specifications for all ten models to help you find the right fit for your electrical monitoring needs quickly.
ProductsSpecificationsEditor scorePrice
Best Budget
Digital Electric Sub Meters for Landlords
120/240V single phase
ANSI Form 2S socket
Pulse output included
Bright LCD display
4.5Editor score
Editor's Choice
Digital Electric Sub Meter CL200
RS485 Modbus interface
Import export capability
Backlit LCD display
EEPROM data storage
4.8Editor score
Best Premium
Series 2000 Single Phase Energy SubMeter
Up to 200 Amps
Outdoor rated enclosure
1PH/2W/3W config
Compact space-saving design
3.2Editor score
DAE P153-200-S KIT
Revenue-grade accuracy
Cloud metering ready
UL CTEP listed
RS485 included
4.5Editor score
DAE DEM730P Electric kWh Submeter
50A internal CT
Cloud gateway compatible
IEC standard conformant
RS485 communication
4.4Editor score
DAE P254-200-S KIT
Three phase monitoring
Revenue-grade accuracy
UL CTEP listed
RS485 included
4.5Editor score
Single Phase kWh Meter Pass-Through
100A pass-through
120V to 240V
Pulse output
LCD readout
4.4Editor score
DAE DDM730 KIT
100 Amp rating
Internal CT included
Din Rail mount
Cloud ready
5.0Editor score
Universal Single Phase kWh Meter
100A capacity
2 or 3 wire
60Hz frequency
Pulse output
4.5Editor score
E-Mon D-Mon E10-3208100-JKIT
Class 1000 rating
100 Amp capacity
1 or 2 phase
Standard voltage
4.2Editor score
1. Digital Electric Sub Meters for Landlords – Best Budget Electric Sub Meter
Digital Electric Sub Meters for Landlords
ANSI Form 2S socket
120/240V 3 wire
Pulse and Modbus
Clear LCD display
This digital sub meter is a budget-friendly choice for landlords and RV owners. It offers a 4.5-star rating and fits standard Form 2S sockets easily. The bright LCD display provides clear readings for monitoring consumption daily.
Pros
- Easy plug-in installation
- Pulse and Modbus output
- Backlit LCD for visibility
- Reverse LED for safety
Cons
- Limited to single phase
- No built-in cloud gateway
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Its main strength is simplicity. You can install it in minutes without special tools. The labeled terminals help with line and load connections quickly. It supports both pulse and Modbus outputs for system integration.
While it lacks advanced cloud features, it handles basic tracking well. The solid-state design ensures reliability against fluctuations. Some users may want more data logging options built-in.
Buyers looking for affordable monitoring without complexity will find this ideal. It is perfect for small rentals or shops where fair billing is key. Always check socket compatibility before purchase.
Easy Plug-in Installation
The ANSI Form 2S fit allows a quick snap-in install in standard meter bases.
Multi-Scenario Use
It adapts to RV parks, garages, and rental units with reliable solid-state design.
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2. Digital Electric Sub Meter CL200 – Best Overall Electric Sub Meter
Digital Electric Sub Meter CL200
RS485 Modbus interface
Import export capability
Backlit LCD display
EEPROM data storage
Rated 4.8 stars, this meter stands out for advanced monitoring features. It supports bidirectional energy flow and has a robust Modbus interface. The large LCD cycles through multiple electrical parameters for deep insight.
Pros
- High 4.8-star rating
- RS485 Modbus network ready
- Import and export tracking
- Non-volatile data storage
Cons
- Requires external gateway for cloud
- Configuration needs authorized access
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Landlords appreciate its ability to track tenant usage fairly. The RS485 port enables connecting multiple meters for centralized data collection. Non-volatile memory keeps records safe during power outages reliably.
Its complexity requires some technical knowledge for setup. You will need tools to access IR configuration settings. However, the precision and network options justify the effort for professionals.
This is the top pick for detailed energy management projects. It suits solar installations and multi-tenant buildings well. Ensure you have the right gateway hardware for full cloud access.
Advanced Communication
RS485 Modbus allows multiple meters to connect for centralized data collection easily.
Solar Readiness
Import and export tracking supports bidirectional power monitoring for solar systems well.
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3. DAE P153-200-S KIT – Best Premium Electric Sub Meter
DAE P153-200-S KIT
Revenue-grade accuracy
Cloud metering ready
UL CTEP listed
RS485 included
This premium kit offers revenue-grade accuracy with a 4.5-star rating. It comes with CTs and supports cloud billing reports for property managers. Time of Use billing helps optimize costs effectively for tenants.
Pros
- 0.5% revenue-grade accuracy
- Cloud billing reports available
- Includes CTs and wiring
- Time of Use billing
Cons
- Higher price point than others
- Indoor use without enclosure
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The included gateway kit makes cloud setup straightforward without IT help. Data syncs to a server for remote access from phones. UL and CTEP approvals ensure it meets strict standards for billing.
It is more expensive than basic meters due to advanced features. An optional enclosure is needed for outdoor protection. The initial cost is offset by reliable long-term billing data accuracy.
Property managers seeking fully automated billing solutions should choose this. It handles up to 8 panels remotely with the right kit. Verify enclosure needs before installing in harsh weather.
Cloud Billing Integration
CC2030 Gateway sends data to cloud for remote access and billing reports.
Regulatory Compliance
UL CTEP approval ensures compliance with national billing standards and requirements.
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4. Series 2000 Single Phase Energy SubMeter – Reliable Electric Sub Meter
Series 2000 Single Phase Energy SubMeter
Up to 200 Amps
Outdoor rated enclosure
1PH/2W/3W config
Compact space-saving design
This model provides a robust solution for high-amperage needs. It is designed for outdoor use with a durable enclosure. However, the 3.2-star rating suggests some reliability concerns for users.
Pros
- Handles up to 200 Amps
- Outdoor rated enclosure
- Flexible wiring configs
Cons
- Lower user satisfaction rating
- Limited communication features
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The 200 Amp capacity makes it suitable for larger panels. Multiple wiring configurations allow flexibility across different electrical systems. It is compact for fitting into tight spaces easily.
Lack of communication ports limits remote monitoring capabilities. Users should expect manual reading or simple local tracking. The lower rating implies potential quality or support issues to consider.
It may serve basic needs where durability is prioritized. Check reviews carefully regarding long-term performance. Consider models with better ratings if remote access is required.
High Amp Capacity
Supports up to 200 Amps for larger commercial or residential electrical needs.
Flexible Configurations
Supports 1PH, 2W, or 3W setups to suit various electrical systems well.
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5. DAE DEM730P Electric kWh Submeter – Compact Electric Sub Meter
DAE DEM730P Electric kWh Submeter
50A internal CT
Cloud gateway compatible
IEC standard conformant
RS485 communication
This submeter features an internal CT for simpler installation. It connects to cloud systems for easy landlord data access. The 4.4-star rating indicates solid performance in user feedback.
Pros
- Internal CT simplifies install
- Cloud-ready for data
- Strong 4.4-star rating
Cons
- Indoor use only without enclosure
- Limited to 50 Amps
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RS485 communication allows integration with networked systems. It follows IEC standards for global consistency. The compact design fits well in control panels without taking much space.
Being limited to 50 Amps restricts it to light circuits. An enclosure is necessary for outdoor environments. Verify load requirements before selecting this model for high-demand areas.
It is ideal for smaller circuits needing smart monitoring. Users wanting seamless cloud integration will appreciate the setup. Check enclosure needs to avoid weather-related damage.
Internal CT Design
Internal CT eliminates need for external transformers simplifying wiring significantly.
Global Standard Compliance
Conforms to IEC international standards for broad compatibility and reliability globally.
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6. DAE P254-200-S KIT – Three Phase Electric Sub Meter
DAE P254-200-S KIT
Three phase monitoring
Revenue-grade accuracy
UL CTEP listed
RS485 included
This kit handles three-phase electrical systems effectively. It shares many premium features with the single-phase version. The 4.5-star rating reflects strong performance and reliability in complex setups.
Pros
- Three-phase support included
- 0.5% accuracy standard
- Includes all necessary CTs
Cons
- Higher cost than single phase
- Enclosure needed for outside
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It includes three CTs and supports revenue-grade accuracy. RS485 networking enables scalable monitoring across multiple phases. UL and CTEP approvals make it suitable for billing purposes legally.
Cost is higher than basic models due to complexity. You will need additional enclosure for outdoor protection. Professional installation may be required for three-phase wiring correctly.
Small businesses with three-phase power will find this essential. It balances advanced features with regulatory compliance. Ensure you have the correct gateway for full cloud capabilities.
Three-Phase Capability
Designed for three-phase systems with support for both 3-wire and 4-wire setups.
Revenue-Grade Accuracy
Meets ANSI standards for accuracy suitable for official billing and verification.
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7. Single Phase kWh Meter Pass-Through – Versatile Electric Sub Meter
Single Phase kWh Meter Pass-Through
100A pass-through
120V to 240V
Pulse output
LCD readout
This pass-through model supports up to 100 Amps directly. It offers versatile wiring for 2 or 3-wire setups easily. The 4.4-star rating shows satisfaction with its straightforward utility.
Pros
- Handles up to 100 Amps
- Versatile wiring options
- Pulse output supported
Cons
- Requires proper pass-through setup
- No smart cloud features
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Local LCD readings make daily checks simple. Pulse output allows connection to external counters for data logging. It is designed for standard single-phase residential or light commercial needs.
It lacks internal smart features like remote data sync. Users must rely on external hardware for cloud integration. The pass-through design may need careful wiring to avoid errors.
It works well where simple local monitoring is needed. Check wire diameter limits to ensure safe connection. Good for users who prefer hands-on local data access.
High Amp Pass-Through
Up to 100 Amp pass-through capacity supports heavy loads directly without CTs.
Flexible Wiring
Accommodates 2 or 3-wire configurations for broad voltage compatibility.
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8. DAE DDM730 KIT – DIN Rail Electric Sub Meter
DAE DDM730 KIT
100 Amp rating
Internal CT included
Din Rail mount
Cloud ready
This kit holds a perfect 5.0-star rating for quality. It uses Din Rail mounting for easy panel integration. Cloud billing tools enable automated reporting for property owners.
Pros
- Perfect 5.0-star rating
- Din Rail mounting style
- Full cloud billing access
Cons
- Indoor only standard
- Requires specific enclosure
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Internal CTs simplify the wiring process significantly. It monitors 100 Amp loads across 120 and 240 volt circuits. TOU billing reports help optimize usage during peak times effectively.
You need an optional enclosure for outdoor durability. The kit is optimized for indoor electrical panels. Users must ensure voltage matches their panel setup before purchasing.
It is highly recommended for landlords with indoor panels. The perfect rating suggests few failures or complaints. Verify enclosure compatibility if you plan outdoor use.
Perfect User Rating
Earns a perfect 5.0-star rating from customers for reliability and ease of use.
Cloud Billing Features
Time of Use billing reports help tenants manage costs better.
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9. Universal Single Phase kWh Meter – Universal Electric Sub Meter
Universal Single Phase kWh Meter
100A capacity
2 or 3 wire
60Hz frequency
Pulse output
This meter offers broad compatibility with 100A capacity. It supports both 2 and 3-wire configurations flexibly. The 4.5-star rating suggests it performs reliably for basic tasks.
Pros
- Strong 4.5-star rating
- Universal wiring support
- Pulse output included
Cons
- Basic local monitoring only
- Higher price than others
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Pulse output allows external counters for tracking data. Local LCD displays keep daily monitoring accessible. It is built for standard 60Hz systems found in homes.
It lacks smart features that modern users often want. Some may find the price high for a basic model. Ensure you need universal support before buying this over others.
Ideal for general utility monitoring in various settings. Its versatility makes it suitable for multiple projects. Check if cloud features are necessary for your specific needs.
Universal Compatibility
Supports multiple voltage and wire configurations for broad use cases.
Reliable Basic Metering
Provides stable 100A pass-through monitoring for standard 60Hz systems.
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10. E-Mon D-Mon E10-3208100-JKIT – Commercial Grade Electric Sub Meter
E-Mon D-Mon E10-3208100-JKIT
Class 1000 rating
100 Amp capacity
1 or 2 phase
Standard voltage
E-Mon offers a Class 1000 certified meter for robust use. It handles 100A across single or two-phase setups. The 4.2-star rating indicates decent performance in commercial environments.
Pros
- Class 1000 certified
- Handles single or dual phase
- Strong commercial design
Cons
- Limited public info details
- Higher cost for basic setup
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The design suits larger electrical systems with standard voltages. It provides accurate energy measurement for billing purposes. Users should verify specific details before purchasing online.
Limited product information online makes comparison harder. The price reflects its commercial-grade durability and standards. Ensure your electrical system matches its specific voltage requirements carefully.
It is a good choice for commercial applications needing durability. Check current specifications for updated features. Suitable for professional installers familiar with this brand.
Class 1000 Certification
Class 1000 rating ensures reliability for rigorous commercial electrical monitoring.
Flexible Phase Support
Handles both single-phase and two-phase configurations for various systems.
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Buying Guide – How to Choose the Best Electric Sub Meter
Choosing the right sub meter depends on your specific voltage, capacity, and connectivity needs.
Voltage Compatibility
Ensure the meter matches your system voltage like 120V or 240V. Incorrect voltage can cause inaccurate readings or safety hazards.
Check the product specs to confirm support for 120/240V single-phase setups.
Amp Capacity
Select a meter rated for your panel's total amperage. Overloading a meter can lead to failures or safety risks.
For standard residential panels, a 100A to 200A rating is often sufficient.
Communication Features
Consider if you need remote access via Modbus or cloud gateways. Basic models only offer local LCD readings without network support.
Invest in models with RS485 if you plan to connect multiple devices.
Installation Type
Determine if you need a plug-in socket or pass-through design. Plug-in models fit standard sockets easily while pass-through needs direct wiring.
Check socket forms like Form 2S for compatibility with your existing panel.
Revenue-Grade Accuracy
If billing tenants, choose a meter meeting revenue-grade standards. This ensures legal compliance and high accuracy for financial transactions.
Look for certifications like CTEP or ANSI standards for billing purposes.
Outdoor Durability
For outdoor use, verify the enclosure rating or add a protective box. Direct weather exposure can damage internal electronics quickly.
Many indoor models require additional housing to withstand rain and heat.
Data Retention
Choose meters with non-volatile memory to save data during power outages. This prevents loss of usage history during blackouts.
EEPROM or flash memory is common for long-term storage in quality units.
Cloud Integration
Modern landlords often prefer cloud systems for easy remote access. This allows tracking usage via phone without visiting the property.
Ensure the package includes the necessary gateway or confirms compatibility.
How to Use and Care for Your Electric Sub Meter
Install the meter securely in the panel or socket to ensure stable connections. Loose wiring can lead to inaccurate measurements or overheating over time.
Regularly check the LCD display for consistent readings and error signs. Clean the surface to keep visibility clear for your manual checks.
If using network features, test the connection monthly to confirm data syncing. Replace batteries for clocks if the model requires external power backup.
Frequently Asked Questions
What is an electric sub meter used for?
An electric sub meter tracks energy use in specific areas like apartments or RVs. It helps landlords bill tenants fairly or users monitor solar usage.
Can I install a sub meter myself?
DIY installation is possible for plug-in models if you have electrical skills. However, always turn off power and consult a professional for safety.
Do these meters work with solar systems?
Many models support import/export tracking for solar. Check if the meter has bidirectional features to measure generation and consumption.
How do I read the data?
Most models have an LCD for local reading. Advanced ones send data to a cloud server or external dashboard automatically.
Are these meters accurate enough for billing?
Revenue-grade meters are designed for billing accuracy. Look for CTEP or ANSI approvals to ensure legal compliance for tenant charges.
What if I need outdoor protection?
Many meters are indoor-only. You will need a separate weatherproof enclosure to install them outside safely.
Final Thoughts on Choosing the Best Electric Sub Meter
We reviewed ten models offering various features from basic to premium cloud access. Our top picks suit landlords and solar users seeking accuracy and ease.
Prioritize voltage compatibility and amp capacity to match your electrical system. Add communication features if remote tracking is a priority for you.
Prices and availability may change often. Verify current details with the seller before finalizing your purchase online.