Digital Electric Sub Meters for Landlords
4.5Editor score
ANSI Form 2S socket base
120/240V single phase
Pulse and Modbus output
In this guide
Choosing the right electric sub meter helps you track energy usage accurately across multiple tenants or circuits. These devices provide detailed data to ensure fair billing and efficient power management for various electrical systems.
We evaluated ten top-rated models based on their accuracy, connectivity options, and ease of installation. Each product was assessed for compatibility with standard panels, durability under load, and support for modern monitoring tools.
Every pick highlights specific strengths like budget friendliness, cloud integration, or high amp capacity. Note that product availability and pricing fluctuate frequently, so verify current details before making your final purchase decision.
Top 3 Picks for Best Electric Sub Meter
Digital Electric Sub Meter CL200
4.8Editor score
RS485 Modbus communication
Import/export solar measurement
Backlit LCD multi-parameter
DAE P153-200-S KIT
4.5Editor score
UL CTEP revenue grade
Cloud metering gateway ready
0.5 percent accuracy standard
Top 10 Best Electric Sub Meter in 2026 Compared
The following table provides a side-by-side comparison of all ten selected electric sub meters. It highlights key specifications such as voltage range, amperage capacity, communication protocols, and specific use case strengths to help you narrow down your choice quickly.
ProductsSpecificationsEditor scorePrice
Best Budget
Digital Electric Sub Meters for Landlords
120/240V Single Phase
ANSI Form 2S Base
Pulse Modbus Output
Solar Import Export
4.5Editor score
Editor's Choice
Digital Electric Sub Meter CL200
RS485 Modbus Interface
120/240V 200A
Multi-Parameter LCD
Reverse Current LED
4.8Editor score
Best Premium
Series 2000 Single Phase Energy SubMeter
200 Amp Capacity
120/208/240V Range
Outdoor Rated Enclosure
1PH/2W/3W Config
3.2Editor score
DAE P153-200-S KIT
UL CTEP Listed
Cloud Metering Ready
Revenue Grade Accuracy
RS485 Communication
4.5Editor score
DAE DEM730P Electric kWh Submeter
50A Internal CT
RS485 Connectivity
IEC61036 Standard
Cloud Gateway Support
4.4Editor score
DAE P254-200-S KIT
Three Phase 200A
120-480V Range
UL CTEP Listed
Cloud Metering Ready
4.5Editor score
Single Phase kWh Meter Pass-Through
100A Capacity
Pass Through Design
LCD Local Read
Pulse Remote Output
4.4Editor score
DAE DDM730 KIT 120/240V
100A Internal CT
Din Rail Mount
IEC Standards Compliant
Cloud Metering Ready
5.0Editor score
Universal Single Phase kWh Meter
100A Capacity
2 or 3 Wire
Pass Through Type
Local Remote Read
4.5Editor score
E-Mon D-Mon E10-3208100-JKIT
Class 1000 Meter
100A Capacity
120/208-240V
1 or 2 Phase
4.2Editor score
1. Digital Electric Sub Meters for Landlords – Best Budget
Digital Electric Sub Meters for Landlords
ANSI Form 2S Socket
120/240V Single Phase
Pulse and Modbus Output
Reverse Flow LED
This digital electric sub meter stands out as the most affordable entry point for sub-metering needs. With a 4.5 star rating, it delivers reliable performance for landlords and RV park owners who need accurate kWh tracking without breaking the bank.
Pros
- Easy snap-in installation
- Bright LCD readings
- Supports solar monitoring
- Pulse output available
- Affordable pricing
Cons
- Limited to single phase
- No cloud included
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Its design fits standard ANSI Form 2S sockets, making installation straightforward for most electrical panels. The LCD display cycles through voltage, current, and power metrics, while the reverse LED helps verify solar flow direction quickly and effectively.
While it lacks built-in cloud connectivity, the pulse output allows integration with external systems. The lack of advanced networking features means you might need extra hardware for remote monitoring, but this trade-off keeps the unit cost low.
Buyers seeking a budget-friendly solution for tenant billing or workshop energy tracking will find this model highly effective. Its simplicity ensures it works well in garage, RV, and small apartment setups where complex features are unnecessary.
Simple Installation
The snap-in design allows users to install this meter into standard sockets without specialized tools, speeding up deployment in rental units.
Solar Compatibility
Solar users can track import and export energy flow thanks to the reverse flow LED, which provides instant visual feedback on system direction.
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2. Digital Electric Sub Meter CL200 – Editor's Choice
Digital Electric Sub Meter CL200
RS485 Modbus Interface
120/240V 200A
Multi-Parameter LCD
Non-Volatile EEPROM
With a 4.8 star rating, this digital electric sub meter offers an excellent balance of features and reliability. It is our Editor's Choice for those who need robust data collection without investing in enterprise-level systems immediately.
Pros
- High rating score
- Modbus communication built-in
- Import export tracking
- Data storage memory
- IR configuration port
Cons
- Requires RS485 network
- Not plug-and-play cloud
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The RS485 Modbus interface allows you to connect multiple meters to a central gateway easily. This feature is crucial for property managers needing detailed usage data across several units, and the large backlit LCD ensures visibility in dim conditions.
Although it stores data reliably with non-volatile memory, you still need external hardware to send that data to the cloud. This adds a layer of complexity compared to cloud-native solutions, but it offers greater control over your network setup.
Ideal for workshop owners or landlords managing multiple tenants, this unit ensures you never lose critical usage history. Its high accuracy and strong build quality justify the moderate price point for anyone serious about energy monitoring.
Robust Communication
RS485 Modbus support lets you scale your monitoring system by connecting many meters to one gateway for centralized data collection.
Reliable Storage
EEPROM memory retains all your kWh data even if power cuts out, ensuring no consumption records are lost during maintenance or storms.
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3. DAE P153-200-S KIT – Best Premium
DAE P153-200-S KIT
UL CTEP Listed
Cloud Metering Ready
Revenue Grade Accuracy
Factory Calibration
This premium kit delivers professional-grade accuracy and advanced billing capabilities for commercial or high-end residential use. The 4.5 star rating reflects its precision and the value provided by its compliance with strict industry standards.
Pros
- Revenue grade 0.5% accuracy
- Cloud gateway compatible
- California CTEP approved
- Time of Use billing
- Wireless options available
Cons
- Higher price point
- Requires gateway for cloud
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Designed for landlords who need to issue accurate bills, this meter supports Time of Use billing reports through the DAE Cloud system. This helps property managers maximize revenue by tracking peak and off-peak usage efficiently across multiple tenants.
While the initial cost is higher than basic models, the revenue-grade accuracy ensures fair billing and reduces disputes. You will need to purchase a gateway separately for full cloud functionality, but this setup provides enterprise-level reporting features.
Choose this kit if you require verified accuracy for commercial billing or need to integrate with existing smart building systems. Its certification and detailed reporting features make it a top choice for serious property managers and facility engineers.
Revenue Grade Precision
Meeting ANSI C12.20 standards, this meter offers 0.5 percent accuracy, ensuring fair billing and reducing disputes with tenants over energy costs.
Cloud Integration
Compatible with the DAE CC2030 Gateway, this unit sends data over Ethernet so you can track usage from anywhere using your phone or PC.
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4. Series 2000 Single Phase Energy SubMeter – Durable Design
Series 2000 Single Phase Energy SubMeter
200 Amp Capacity
120/208/240V Range
Outdoor Rated Enclosure
Compact Form Factor
This Series 2000 meter focuses on durability and high amperage capacity for demanding environments. While its rating is lower than competitors, it remains a solid choice for spaces needing robust construction and broad voltage compatibility.
Pros
- High amperage rating
- Outdoor rated housing
- Flexible voltage options
- Compact space-saving size
- Clear labeling
Cons
- Lower user rating
- Limited smart features
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The enclosure is built to withstand outdoor conditions, making it suitable for remote installations like barns or workshops. Its ability to handle 200 amps ensures it can support heavy industrial loads without overheating or failing under stress.
Users note that the unit lacks advanced communication features found in modern smart meters. If you need remote monitoring, you may need to pair it with separate hardware, which adds complexity to the installation process.
Ideal for industrial users prioritizing physical durability over digital features, this meter provides reliable energy tracking for large systems. Check current specs before buying to ensure it meets your specific networking requirements.
Rugged Housing
The durable enclosure protects the internal components from weather and physical damage, making this unit suitable for outdoor or industrial installations.
High Amp Support
Rated for up to 200 amps, this meter handles heavy industrial loads effectively, ensuring accurate monitoring even under high power demand.
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5. DAE DEM730P Electric kWh Submeter – Cloud Ready
DAE DEM730P Electric kWh Submeter
50A Internal CT
RS485 Connectivity
IEC61036 Standard
Cloud Gateway Support
This compact submeter offers cloud capabilities for those managing smaller circuits. With a 4.4 star rating, it provides a convenient path for landlords to access remote data without complex wiring solutions.
Pros
- Internal current transformer
- RS485 output
- Cloud billing compatible
- Time of Use support
- Factory calibration available
Cons
- Limited to 50A
- Wireless add-ons needed
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The internal current transformer simplifies installation since you do not need external sensors for the 50A load. RS485 communication ensures you can connect it to a DAE gateway to start tracking usage immediately.
While it is a robust tool for indoor use, outdoor applications require an additional watertight enclosure. This requirement adds to the total cost and effort needed for exterior setups, so consider your location carefully.
Best suited for indoor panels or small offices, this model balances price with cloud integration. If you need remote access for tenants, this unit offers a clear path to billing reports without needing dedicated IT staff.
Internal Sensors
Built-in current transformers reduce the need for external wiring, making installation faster and cleaner for indoor panels and smaller electrical circuits.
Billing Reports
Link to the DAE Cloud system to generate automated monthly bills for tenants, saving time and ensuring transparency in energy usage charges.
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6. DAE P254-200-S KIT – Three Phase Power
DAE P254-200-S KIT
Three Phase 200A
120-480V Range
UL CTEP Listed
Cloud Metering Ready
This three-phase kit is essential for commercial facilities needing precise energy tracking across balanced loads. It carries the same premium features as the single-phase variant but adapts them for three-phase electrical systems.
Pros
- Three phase capability
- Revenue grade accuracy
- Wide voltage range
- Cloud gateway ready
- California CTEP approved
Cons
- Higher setup complexity
- Premium pricing
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The UL CTEP listing ensures high accuracy, making it suitable for billing tenants in large commercial buildings. With a 4.5 star rating, users appreciate the reliability and the detailed data it provides for energy audits.
While powerful, installing this unit requires specialized knowledge of three-phase wiring. Ensure you have a qualified electrician handle the setup to avoid safety risks and to maintain the warranty on the system components.
Ideal for warehouses or large offices, this meter ensures you can track power usage across all three phases accurately. Its compatibility with cloud reporting makes it easy to manage energy costs for complex commercial spaces.
Three Phase Support
Designed for three-phase systems, this meter tracks consumption on each leg independently, providing complete visibility into complex commercial electrical loads.
Revenue Grade
Compliance with ANSI standards ensures billing accuracy, reducing disputes with commercial tenants and helping facility managers optimize operational costs effectively.
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7. Single Phase kWh Meter Pass-Through – Simple Pass-Through
Single Phase kWh Meter Pass-Through
100A Capacity
Pass Through Design
LCD Local Read
Pulse Remote Output
This pass-through meter is designed for straightforward energy monitoring without the complexity of external CTs. It works well for 100A panels where you want to track total usage without splitting circuits manually.
Pros
- Pass-through wiring simple
- LCD local display
- Pulse output available
- Compatible with 100A
- Handles various wire sizes
Cons
- Basic features only
- No advanced networking
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The unit features a simple LCD display for local readings and offers a pulse output for basic remote logging. Its 4.4 star rating indicates reliable performance for users who prioritize simplicity over smart features.
It accommodates a range of wire sizes, making it flexible for different installation scenarios. However, it does not support cloud connectivity, which means you must use separate hardware to send data elsewhere.
Best for homeowners or small businesses needing simple metering, this model is easy to install and maintains accuracy. Choose it if you want a no-fuss solution for tracking total energy consumption in a standard panel.
Pass-Through Design
Wires pass directly through the meter, simplifying the installation process and removing the need for additional current transformer accessories.
Local Monitoring
A clear LCD display lets you view energy consumption instantly, ensuring you have immediate access to usage data without needing external tools.
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8. DAE DDM730 KIT 120/240V – Din Rail Mount
DAE DDM730 KIT 120/240V
100A Internal CT
Din Rail Mount
IEC Standards Compliant
Cloud Metering Ready
This kit is a top-rated option for indoor electrical panels due to its clean din rail design. With a perfect 5.0 star rating, users praise its ease of use and accurate monitoring capabilities.
Pros
- Perfect 5.0 rating
- Din rail mounting
- Internal CT included
- Cloud compatible
- Compact size
Cons
- Indoor use only
- Requires gateway for cloud
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The internal current transformers eliminate the need for bulky external sensors, keeping the panel neat. It fits into standard din rail enclosures and provides reliable tracking for mixed 120V and 240V circuits.
While it supports cloud reporting, you need a separate gateway to connect to the network. This requirement adds a small step to the setup but ensures you still get the benefits of remote billing and data access.
Perfect for home workshops or small offices, this meter offers excellent value and reliability. Its high rating suggests minimal failures and consistent performance for anyone needing accurate indoor energy tracking.
Din Rail Mount
The compact design allows for easy mounting on standard din rails, saving space inside electrical panels and keeping the installation tidy and organized.
Internal Sensors
Internal current transformers simplify wiring, removing the need for external CTs and reducing potential points of failure in the power setup.
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9. Universal Single Phase kWh Meter – Universal Fit
Universal Single Phase kWh Meter
100A Capacity
2 or 3 Wire
Pass Through Type
Local Remote Read
This universal meter adapts to both 2-wire and 3-wire systems, making it highly versatile for older or varied electrical setups. It is rated for 100A and supports a wide range of wire sizes for flexible installation.
Pros
- Handles 2 or 3 wire
- Pass-through wiring
- 100A capacity
- Local remote read
- Wide wire diameter
Cons
- Basic interface
- No advanced smart features
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With a 4.5 star rating, it performs reliably for basic monitoring needs. Users can read data locally on the LCD or connect to pulse counters for basic remote tracking without needing complex networking.
It lacks advanced cloud features, which limits its utility for automated tenant billing. However, its straightforward design ensures longevity and ease of repair if something goes wrong over time.
Ideal for retrofits or simple residential monitoring, this unit handles various configurations without issue. Choose it if you need a robust and adaptable meter for older systems or diverse wiring setups.
Versatile Wiring
Supports both 2-wire and 3-wire setups, allowing this meter to fit older panels or varied electrical systems without requiring custom modifications.
Local Remote Read
Read data locally on the LCD or connect to pulse output for basic remote tracking, giving you flexibility in how you monitor your energy usage.
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10. E-Mon D-Mon E10-3208100-JKIT – High Class Meter
E-Mon D-Mon E10-3208100-JKIT
Class 1000 Meter
100A Capacity
120/208-240V
1 or 2 Phase
This unit is designed for high-accuracy metering in commercial environments. As a Class 1000 meter, it ensures precise billing data for those requiring strict measurement standards across multiple phases.
Pros
- High accuracy class
- Handles 1 or 2 phase
- Solid build quality
- Reliable monitoring
- Wide voltage range
Cons
- High price point
- Limited smart features
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The 4.2 star rating reflects its reliability for core metering tasks. While it supports 1 or 2 phase systems, it does not offer advanced smart connectivity as standard, which may require extra add-ons for remote access.
The price is higher than many competitors due to its accuracy class and build quality. This investment pays off for businesses that need precise data for utility audits or detailed financial reporting.
Choose this meter if you need certified accuracy for commercial billing. It is best suited for facilities where measurement precision is critical and budget allows for premium metering equipment.
High Accuracy Class
Class 1000 rating ensures high precision for commercial applications where accurate billing and detailed energy data are critical for financial management.
Versatile Phases
Supports both 1 and 2 phase systems, offering flexibility for different electrical configurations found in various commercial or industrial settings.
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Buying Guide – How to Choose the Best Electric Sub Meter
Selecting the right electric sub meter requires balancing technical requirements with budget constraints. This guide covers the essential factors to consider before making your final decision.
Voltage and Phase Compatibility
Ensure the meter matches your electrical panel's voltage and phase configuration. Most residential units operate at 120/240V single phase, while commercial spaces may need three-phase support for accurate tracking.
Check that the meter supports your system's voltage and phase to avoid installation errors.
Amperage Capacity
The amperage rating must accommodate the total load of the circuits you intend to monitor. If you are sub-metering a main panel, a 200A unit might be necessary for full coverage.
Select an amperage rating that exceeds your expected total load to ensure safety and accuracy.
Communication Protocols
Modern meters offer connectivity like RS485 Modbus or pulse outputs for remote monitoring. These features are vital for landlords who need to track usage across multiple units without visiting each one.
Choose a communication protocol that aligns with your existing or planned monitoring infrastructure.
Cloud Integration
Some models support cloud gateways for real-time data access. This is particularly useful for automated billing and remote audits without manual data collection.
Verify if the meter supports cloud integration to streamline your data collection process.
Accuracy Standards
Look for meters that meet ANSI or IEC standards for accuracy. Revenue-grade meters ensure you bill tenants correctly, reducing disputes and improving tenant satisfaction.
Prioritize revenue-grade accuracy if billing accuracy is a top priority for your project.
Installation Requirements
Consider whether the meter needs a specific socket base or if it is a pass-through design. Some models require external current transformers, which adds to the installation time and cost.
Opt for a design that simplifies your installation process, such as integrated CTs or snap-in bases.
Budget
Prices vary significantly based on features. Basic models are affordable but lack smart features, while premium units offer advanced networking but cost more. Determine your needs before setting a budget.
Balance cost with necessary features to avoid overspending on capabilities you won't use.
Durability
If installing outdoors, ensure the meter has a suitable enclosure rating. Sealed housings protect against weather and dust, extending the lifespan of the device.
Choose a ruggedized model for outdoor or harsh industrial environments to ensure longevity.
How to Use and Care for Your Electric Sub Meter
Always shut off power before installing any electric sub meter. Verify the voltage rating matches your panel to ensure safe and accurate operation.
For models with RS485 or pulse outputs, connect them to your gateway or data logger properly. This ensures all usage data is captured correctly for future analysis.
Periodically clean the LCD screen and check connections for loose wires. Regular maintenance ensures the unit remains accurate and extends its operational lifespan.
Frequently Asked Questions
Can I use an electric sub meter for outdoor installations?
Yes, but only if the unit has a weather-resistant enclosure. Many indoor models require a separate watertight housing to survive outdoor elements. Always verify the product's weather rating before installation.
Do these meters require external current transformers?
Some models come with integrated CTs, while others require external sensors. Check the product specifications to see if CTs are included. This distinction affects the complexity of your installation process.
How do I read data from these electric sub meters?
You can read data directly from the LCD display or connect the meter to a gateway for remote access. The method depends on the model you choose and your network capabilities.
Are these meters compatible with solar systems?
Many models support import and export tracking, which is essential for solar users. Check for a reverse flow LED or bidirectional capability to ensure solar generation is tracked accurately.
Do I need a special license to install these meters?
Yes, electrical work should be done by a licensed electrician. Improper installation can be dangerous and may violate local codes. Always consult a professional for panel connections.
What is the typical accuracy of these meters?
Most models range from 1 percent to 0.5 percent accuracy. Revenue-grade units offer higher precision for commercial billing. Check the ANSI or IEC standard listed for specific details.
Can I track usage remotely without an internet connection?
Remote tracking typically requires a local network or cloud gateway. Without a gateway, you must read the LCD display manually. Plan for hardware that suits your connectivity needs.
How do I verify if a meter is revenue grade?
Look for certifications like UL CTEP or ANSI C12.20. These indicate the meter meets strict accuracy standards for billing. This certification is essential for commercial tenant charges.
Final Thoughts on Choosing the Best Electric Sub Meter
We have reviewed ten top models ranging from budget-friendly plug-ins to premium cloud-ready kits. The Editor's Choice offers the best balance of features for most users, while the Budget pick serves smaller needs well.
Prioritize accuracy and connectivity based on your specific use case. If you need automated billing, look for cloud support. If you just need basic tracking, a simple pass-through model may suffice.
Remember that pricing and availability change frequently. Always verify current stock and specifications on the vendor site before finalizing your purchase to ensure you get the right fit for your system.