Digital Electric Sub Meters for Landlords
4.5Editor score
ANSI Form 2S Plug-In
Bright LCD Display
Pulse Output
In this guide
Electric sub meters are essential tools for monitoring energy usage across different circuits or tenant spaces. They provide detailed insights into consumption patterns, helping users reduce waste and manage costs effectively in various settings.
We evaluated ten top-rated models based on accuracy, installation ease, and communication features. Each product was selected for its reliability in sub-metering applications, ensuring fair billing and precise energy tracking for diverse electrical needs.
Our list highlights key strengths and limitations of each meter. Prices and availability change frequently, so verify details before purchasing. This guide helps you choose the right electric sub meter for your specific application.
Top 3 Picks for Best Electric Sub Meter
DAE P153-200-S KIT
4.5Editor score
Revenue-Grade Accuracy
Cloud Metering Support
RS485 Modbus
E-Mon D-Mon E10-3208100-JKIT
4.2Editor score
Class 1000 Rating
Dual Phase Support
Industrial Durability
Top 10 Best Electric Sub Meter in 2026 Compared
The following table provides a side-by-side comparison of all ten models, highlighting their key specifications and unique features to help you make an informed decision for your energy monitoring needs.
ProductsSpecificationsEditor scorePrice
Best Budget
Digital Electric Sub Meters for Landlords
120/240V Single Phase
ANSI Form 2S
Pulse Output
Bright LCD
4.5Editor score
Editor's Choice
Digital Electric Sub Meter CL200
120/240V CL200
RS485 Modbus
Import/Export
Multi-Parameter
4.8Editor score
Best Premium
Series 2000 Single Phase
200 Amp
120/208/240V
Outdoor Rated
Compact Design
3.2Editor score
DAE P153-200-S KIT
Revenue-Grade
CTP Approved
Cloud Gateway
RS485
4.5Editor score
DAE DEM730P
50A
Internal CT
IEC Standard
Cloud Ready
4.4Editor score
DAE P254-200-S KIT
3 Phase
200A
Revenue-Grade
3 CTs
4.5Editor score
Single Phase kWh Meter
100A
120V Pass-Through
2/3-Wire
Pulse
4.4Editor score
DAE DDM730 KIT
100 Amp
Internal CT
IEC Standard
Cloud Ready
5.0Editor score
Universal Single Phase kWh Meter
100A
120V/240V
2/3-Wire
Pulse
4.5Editor score
E-Mon D-Mon E10-3208100-JKIT
Class 1000
100A
1/2 Phase
Industrial
4.2Editor score
1. Digital Electric Sub Meters for Landlords – Best Value Sub-Metering
Digital Electric Sub Meters for Landlords
120/240V Single Phase
ANSI Form 2S Socket
Pulse Output
Bright LCD Display
This digital energy meter is ideal for landlords seeking a budget-friendly solution for sub-metering. It features a bright LCD display and fits standard ANSI Form 2S sockets, making installation straightforward for DIY users and professionals alike.
Pros
- Easy snap-in installation
- Bright backlight LCD
- Pulse and Modbus output
- Affordable price point
- Accurate kWh tracking
Cons
- Limited to single phase
- No cloud integration
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Its solid-state design ensures reliable performance even with fluctuating loads from tools or HVAC units. The meter supports pulse and Modbus communication, allowing basic integration with monitoring systems without needing expensive software or hardware.
While it lacks advanced cloud capabilities, the EEPROM memory retains data during power outages, ensuring you don't lose critical usage records. The reverse LED provides immediate feedback on wiring correctness, reducing setup time and errors.
This meter is perfect for rental properties, RV parks, or workshops where cost-effective monitoring is key. It offers accurate billing support and helps reduce energy disputes by providing clear, transparent usage data for tenants.
Quick Installation for Standard Sockets
The ANSI Form 2S fit allows for a simple snap-in install without needing special tools or complex rewiring.
Fair Billing Made Easy
Separate energy consumption accurately across tenants with reliable kWh readings that support transparent cost allocation.
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2. Digital Electric Sub Meter CL200 – Advanced Communication Features
Digital Electric Sub Meter CL200
120/240V CL200
RS485 Modbus
Import/Export Metering
Multi-Parameter LCD
This model stands out for its advanced RS485 Modbus communication, enabling centralized data collection for multi-meter setups. It tracks import and export energy, making it suitable for solar applications where bidirectional flow is critical.
Pros
- RS485 Modbus support
- Import and export tracking
- Backlit LCD display
- Non-volatile EEPROM
- Front IR interface
Cons
- Requires Modbus hub
- Higher setup complexity
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The large backlit LCD provides visibility into voltage, current, and power factor, offering detailed diagnostics. Its non-volatile memory ensures data integrity even during outages, and the IR port allows configuration without opening the panel.
The higher rating reflects its reliability and feature set. While requiring more setup than basic meters, its ability to connect to gateways makes it ideal for property managers needing real-time access to consumption data.
Choose this for applications where data integration and solar monitoring are priorities. It bridges the gap between basic sub-metering and full smart grid compatibility, supporting future automation needs.
Solar and Grid Balance Monitoring
Import and export tracking provides precise insight into solar generation versus grid consumption for balanced systems.
Networked Data Collection
RS485 allows multiple meters to connect to a single gateway, simplifying centralized management and reporting.
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3. Series 2000 Single Phase – Durable Industrial Design
Series 2000 Single Phase
200 Amp Capacity
120/208/240V
Outdoor Rated Enclosure
Compact Space-Saving
The Series 2000 offers robust construction suitable for outdoor installations requiring higher amperage handling. Its versatile voltage range supports various power configurations, and the compact design saves space in crowded panels.
Pros
- High 200 Amp rating
- Outdoor rated enclosure
- Flexible voltage options
- Compact size
Cons
- Limited online reviews
- Basic feature set
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Built with durability in mind, it withstands harsh environmental conditions, making it a reliable choice for remote buildings or industrial spaces. However, its lower rating suggests potential reliability concerns or limited user feedback.
While it provides solid mechanical performance, it lacks advanced communication features found in other models. This makes it best suited for applications where basic, accurate kWh tracking is the primary requirement.
Consider this if you need a simple, rugged meter for heavy-duty circuits. Its straightforward design reduces complexity, ensuring consistent operation without the need for software or network integration.
Outdoor and Heavy-Duty Use
The rugged enclosure is designed for outdoor mounting, protecting the electronics from weather and temperature changes.
Simple and Straightforward
Basic functionality ensures easy setup and operation without requiring technical expertise for configuration.
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4. DAE P153-200-S KIT – Professional Smart Sub-Metering
DAE P153-200-S KIT
Revenue-Grade 0.5% Accuracy
UL CTEP Listed
Cloud Metering Ready
RS485 Modbus
This smart submeter is designed for landlords needing precise, revenue-grade billing. It comes with a gateway for cloud access, allowing remote monitoring via PC or mobile devices. The system supports time-of-use reports, helping optimize energy costs.
Pros
- Revenue-grade accuracy
- Cloud gateway included
- Time-of-use billing
- Wireless options available
- Factory calibration certs
Cons
- Higher price point
- Requires Ethernet for cloud
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Its accuracy meets national standards, ensuring fair billing and reducing disputes. Factory calibration certificates provide additional confidence in its measurements. The RS485 port allows for easy integration with other systems if cloud connectivity isn't needed.
The higher price reflects its professional features and certification. While requiring some setup for cloud access, the remote data collection capabilities significantly reduce manual reading and administrative workload for property managers.
Choose this for rental properties where billing accuracy and remote management are critical. It offers a complete solution from metering to reporting, simplifying tenant billing operations with reliable automated tools.
Remote Access and Cloud Billing
Cloud gateway allows landlords to access real-time data and monthly billing reports from anywhere with an internet connection.
Revenue-Grade Precision
Certified accuracy ensures billing records are reliable and meet regulatory requirements for tenant electricity usage.
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5. DAE DEM730P – Compact Internal CT Submeter
DAE DEM730P
50A Capacity
Internal CT Included
IEC61036 Compliant
RS485 Communication
The DAE DEM730P simplifies installation with internal current transformers, eliminating external wiring needs. It adheres to international standards and supports cloud integration for remote monitoring. Its compact form factor fits easily into existing panels.
Pros
- Built-in CTs
- IEC standard compliance
- Compact design
- Cloud ready
Cons
- Lower amp capacity
- Indoor use only
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While its 50A limit suits smaller circuits, the cloud gateway option provides scalability. Users can view data remotely, enabling quick identification of usage spikes. Indoor installation is required, ensuring stable environmental conditions.
This meter balances cost and features well for light commercial use. Its compliance with international standards ensures reliability, and the cloud support offers flexibility for future monitoring expansions without major hardware changes.
Consider this for smaller apartments or circuits under 50A. It offers a straightforward path to smart monitoring without requiring external sensors or complex mounting solutions, saving space and labor time.
Internal CT Convenience
Built-in current transformers mean no external CTs are needed, simplifying wiring and reducing installation time.
Compliance and Reliability
Meeting IEC61036 standards ensures consistent performance and compatibility with international energy tracking systems.
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6. DAE P254-200-S KIT – 3-Phase Industrial Solution
DAE P254-200-S KIT
3 Phase Support
200A Rating
Revenue-Grade Accuracy
3 CTs Included
This 3-phase model is ideal for commercial facilities requiring high-capacity monitoring. It supports 200A loads and includes three CTs for complete phase tracking. Revenue-grade accuracy ensures precise billing for large industrial or commercial tenants.
Pros
- Full 3-phase capability
- High 200A rating
- Revenue-grade accuracy
- Cloud gateway compatible
Cons
- Requires 3-phase power
- Higher cost
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The cloud gateway allows for centralized management across multiple panels, enabling remote troubleshooting and reporting. With a 120-480V range, it fits diverse voltage systems. The UL CTEP listing adds regulatory confidence.
While designed for heavy-duty use, its modular setup allows scalability. Users can connect multiple units for comprehensive site monitoring. The higher price is justified by its professional accuracy and capacity for complex electrical setups.
Choose this for businesses needing reliable 3-phase data. It handles high loads accurately and integrates easily with management systems, ensuring transparency in energy use and fair billing for industrial tenants.
Industrial-Scale Monitoring
Supports up to 200A across three phases, meeting the demands of commercial machinery and HVAC systems.
Scalable and Integrated
Modular design allows multiple meters to connect to a single gateway, simplifying site-wide energy management.
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7. Single Phase kWh Meter – Simple Pass-Through Design
Single Phase kWh Meter
100A Capacity
120V or 240V
Pass-Through Wiring
Pulse Output
This pass-through meter simplifies installation by accepting wires directly, eliminating external current transformers. It supports both 120V and 240V configurations, making it versatile for residential and small commercial circuits.
Pros
- Direct pass-through wiring
- No external CTs
- Flexible wire compatibility
- Simple to install
Cons
- No cloud features
- Basic display
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Its straightforward design focuses on accurate kWh tracking without complex software. The pulse output allows connection to basic counters. It handles wire diameters up to 13.5mm, ensuring flexibility for existing installations.
While lacking smart features, its simplicity reduces failure points. Ideal for users who need reliable tracking without cloud dependency. The lack of a backlight may limit readability in dark panels, requiring external lighting.
Select this for DIY sub-metering or small workshops. It provides essential tracking capabilities in a cost-effective package, suitable for situations where manual reading or basic pulse monitoring meets your needs.
Direct Pass-Through Installation
Wires connect directly to the meter, removing the need for external transformers or additional wiring components.
Basic and Reliable
Focuses on core metering without extra features, ensuring long-term reliability and minimal maintenance requirements.
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8. DAE DDM730 KIT – DIN Rail Submeter with Cloud
DAE DDM730 KIT
100A Rating
Internal CT
Din Rail Mount
IEC Compliance
The DAE DDM730 KIT boasts a perfect rating, reflecting its ease of use and reliability. It supports cloud monitoring and mounts on din rails for clean panel organization. Its internal CT design simplifies wiring further.
Pros
- Perfect 5.0 rating
- Cloud gateway ready
- Din rail mounting
- IEC standard
Cons
- Indoor use only
- Requires enclosure outside
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It tracks both 120V and 240V circuits, offering broad coverage. The cloud gateway allows remote access, while the enclosure option provides protection for outdoor setups. Compliance with IEC standards ensures consistent performance.
The high rating suggests minimal user complaints and strong performance. While indoor-only, the enclosure solution addresses outdoor needs. Its compact form and cloud support make it ideal for modern smart buildings.
Consider this for residential or light commercial projects needing smart tracking. It balances affordability with cloud features, making it accessible for those wanting remote insights without complex infrastructure.
Space-Efficient Din Rail Mount
Din rail mounting allows easy installation in standard panels without requiring special brackets or additional space.
Perfect Rating Reliability
The 5.0 user rating highlights strong performance and ease of use, making it a trusted choice.
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9. Universal Single Phase kWh Meter – Flexible Wiring
Universal Single Phase kWh Meter
100A Capacity
2 or 3-Wire
120V to 240V
Pulse Output
This universal model adapts to both 2 and 3-wire systems, making it versatile for existing circuits. Its 100A rating suits standard residential or light commercial loads. Pulse output allows easy external monitoring.
Pros
- Supports 2 or 3-wire
- Pulse output included
- Flexible voltage
- Simple to use
Cons
- Basic interface
- No cloud
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The simple design ensures reliability without complex configuration. While lacking smart features, it provides accurate tracking for billing or load analysis. The high rating suggests consistent performance across users.
It is best for setups requiring straightforward installation without software. The lack of a backlight or advanced display limits visibility, but its core function of accurate measurement is solid.
Select this for retrofits or DIY projects needing flexibility. It offers a cost-effective way to separate circuits for billing or analysis without the overhead of smart systems.
Universal Wire Compatibility
Supports 2 or 3-wire configurations, allowing installation in varied existing systems without rewiring.
Reliable Core Performance
Focuses on essential accuracy without unnecessary complexity, ensuring consistent energy tracking over time.
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10. E-Mon D-Mon E10-3208100-JKIT – Premium Industrial Grade
E-Mon D-Mon E10-3208100-JKIT
Class 1000 Rating
1 or 2 Phase
120/208-240V
100A Capacity
This premium model targets industrial applications requiring Class 1000 accuracy and durability. It supports single or dual-phase loads, offering flexibility for specialized setups. Its rugged construction ensures stability in demanding environments.
Pros
- Industrial durability
- Class 1000
- 2-phase support
- Professional grade
Cons
- Expensive
- Limited features
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While expensive, its precision justifies the cost for critical billing or regulatory needs. The brand reputation adds confidence. However, it lacks modern smart features, focusing purely on robust measurement.
It is best for facilities where meter accuracy and reliability are paramount. The lack of cloud or pulse options means manual or local reading, but the core performance is exceptional.
Choose this for industrial or regulatory-grade requirements. Its premium design ensures long-term accuracy, making it a trustworthy investment for facilities needing precise energy tracking.
Industrial-Grade Accuracy
Class 1000 rating ensures high precision and stability for critical commercial and industrial energy monitoring.
Robust Build Quality
Designed to withstand harsh conditions, ensuring reliable operation in demanding environments without frequent replacement.
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Buying Guide – How to Choose the Best Electric Sub Meter
Selecting the right electric sub meter requires evaluating voltage, capacity, communication needs, and installation complexity. This guide breaks down the key factors to help you choose a model that fits your specific requirements.
Voltage and Phase Configuration
Ensure the meter matches your system voltage, typically 120/240V for residential or 208/480V for commercial. Single-phase models are common for most sub-metering, while three-phase units are needed for industrial setups.
Verify phase compatibility to avoid installation issues or inaccurate readings.
Current Capacity and Load Rating
Check the meter's amperage rating to handle your circuit's maximum load. Models range from 50A for small circuits to 200A for main panels. Undersized meters can overheat or fail under heavy loads.
Select a meter with sufficient capacity for your expected consumption.
Communication and Connectivity Options
Determine if you need local reading only or remote access via Modbus, RS485, or cloud gateways. Basic pulse outputs suffice for simple counters, while smart models offer real-time monitoring and billing reports.
Choose communication features based on your data tracking needs and infrastructure.
Installation Type and Wiring Method
Consider whether the meter uses plug-in sockets, din rails, or pass-through wiring. Internal CTs simplify setup but limit capacity. External CTs offer flexibility but add complexity.
Match the installation method to your panel configuration and technical skill level.
Accuracy and Regulatory Compliance
For billing purposes, look for revenue-grade accuracy or CTEP approval. Standard models are fine for tracking, but certified meters ensure compliance for tenant charges.
Verify certification requirements to avoid legal or billing disputes.
Durability and Environmental Rating
Outdoor or industrial installations require weatherproof enclosures. Indoor units may need additional protection if exposed to dust or moisture. Check operating temperature and humidity ranges.
Ensure the meter's build suits your environment for long-term reliability.
Display and User Interface
Backlit LCDs improve visibility in dark panels. Some models offer multi-parameter views for diagnostics, while others show only kWh. Select based on how often you read data.
Prioritize readability if manual checks are frequent.
Budget and Total Cost of Ownership
Prices vary from budget-friendly basic units to premium smart systems. Factor in gateway costs or external accessories. Higher initial costs may save money through accurate billing.
Balance upfront costs with long-term benefits for your application.
How to Use and Care for Your Electric Sub Meter
Install the meter following local electrical codes. Turn off the main breaker, connect lines to labeled terminals, and secure the unit. Use insulated tools and ensure proper wire sizing for safety.
For smart models, connect the gateway to your router and register the device via the provided software. Regularly check the display for error codes or low readings. Reset if necessary using the front interface.
Clean the housing gently to avoid dust buildup. Inspect wiring periodically for wear. Protect outdoor units from direct moisture exposure. Keep firmware updated for smart meters to ensure compatibility.
Frequently Asked Questions
Can an electric sub meter replace a utility meter?
No, electric sub meters are for tracking usage downstream of the main utility meter. They are used for billing tenants or managing circuits within a property. The utility meter remains the official billing device for the provider.
What is the difference between single-phase and three-phase meters?
Single-phase meters measure 120/240V circuits common in homes. Three-phase meters handle 208/480V industrial power. Choosing the right type ensures accurate tracking and prevents equipment damage due to mismatched voltages.
Are smart sub meters harder to install?
Smart models require extra steps for communication setup, such as connecting RS485 cables or configuring gateways. However, many offer plug-in designs that simplify wiring. Basic units are easier for straightforward installs.
Do electric sub meters work with solar systems?
Yes, models with import/export tracking can monitor solar generation and grid usage. They track power flow in both directions. Ensure the meter supports bidirectional measurement for accurate renewable energy insights.
How accurate are consumer-grade sub meters?
Most provide ±1% to ±2% accuracy, sufficient for monitoring and basic billing. Revenue-grade units certified by CTEP offer higher precision for official charges. Choose based on whether you need compliance or just general insights.
Can I read data remotely without a smart meter?
No, remote access requires communication features like Modbus or cloud gateways. Traditional meters only show data on their display. To monitor from afar, invest in smart models with the appropriate connectivity options.
What happens if power is lost during tracking?
Most sub meters have non-volatile memory to retain usage data during outages. Once power returns, they resume tracking without resetting totals. Check EEPROM support to ensure data persistence during interruptions.
Final Thoughts on Choosing the Best Electric Sub Meter
The Digital Electric Sub Meters for Landlords and DAE P153-200-S KIT stand out for their reliability and feature sets. Whether you need budget-friendly tracking or professional billing tools, our top picks cover diverse needs.
Prioritize voltage, capacity, and communication features when deciding. Consider your specific needs for indoor versus outdoor use. Smart meters offer long-term benefits for property managers seeking automated billing solutions.
Prices and availability can change. Always verify the latest specs and certifications before purchasing. This guide helps ensure you select a model that delivers accuracy, efficiency, and peace of mind for your energy tracking.