DAE DDM730 KIT 120/240V
5.0Editor score
Internal CT for Easy Install
Din Rail Mounting Support
Cloud Metering Ready
In this guide
Finding the right electric sub meter is essential for anyone looking to monitor energy consumption accurately. Whether you are a landlord managing multiple rental units or a homeowner tracking solar output, the right meter provides clarity on usage patterns and helps reduce waste through informed decisions.
We evaluated ten leading models based on accuracy, installation ease, communication features, and durability. Our comparison covers single phase and multi wire options designed for residential and light commercial applications. Each product was assessed for its ability to deliver reliable data in diverse electrical environments.
Each pick below highlights specific strengths such as cloud connectivity, analog output, or plug in design. Please note that pricing and availability can change frequently on retail platforms. Always verify current specifications and compatibility before purchasing to ensure the unit meets your specific electrical needs and local codes.
Top 3 Picks for Best Electric Sub Meter
Digital Electric Sub Meters for Landlords
4.5Editor score
ANSI Form 2S Plug In Design
Real Time LCD kWh Readings
Solar Import Export Monitoring
DAE P153-200-S KIT
4.5Editor score
Revenue Grade Accuracy Certified
California CTEP Approved
Remote Cloud Gateway Support
Top 10 Best Electric Sub Meter in 2026 Compared
The following table offers a side by side overview of all ten models examined in this guide. It highlights key specifications such as voltage range, amperage capacity, and communication protocols to help you quickly identify the right fit for your project.
ProductsSpecificationsEditor scorePrice
Editor's Choice
Digital Electric Sub Meters for Landlords
120/240V Single Phase
ANSI Form 2S Socket
LCD Display with Backlight
Modbus and Pulse Output
4.5Editor score
Editor's Choice
Digital Electric Sub Meter CL200
120/240V CL200 Rating
RS485 Modbus Interface
Import Export Measurement
EEPROM Data Storage
4.8Editor score
Best Premium
Series 2000 Single Phase Energy SubMeter
200 Amp Capacity Rated
120/208/240V Compatible
Outdoor Rated Enclosure
1PH 2W 3W Config
3.2Editor score
DAE P153-200-S KIT
Revenue Grade 0.5% Accuracy
200A 120/240V
RS485 Communication Port
Cloud Gateway Compatible
4.5Editor score
DAE DEM730P Electric kWh Submeter
50A Internal CT Rated
120/240V Input
RS485 Data Output
Indoor Use Only Design
4.4Editor score
DAE P254-200-S KIT
3 Phase 200A Support
120 to 480V Range
3 CTs Included
UL CTEP Approved
4.5Editor score
Single Phase kWh Meter Pass Through
100A Max Current Rating
120V or 240V
Pass Through Wiring
Pulse Output Remote
4.4Editor score
DAE DDM730 KIT 120/240V
100 Amp Capacity
1P3W Configuration
Internal CT Design
Din Rail Mountable
5.0Editor score
Universal Single Phase kWh Meter
100A Current Rating
2 or 3 Wire
60Hz Frequency
Local or Remote Read
4.5Editor score
E-Mon D-Mon E10-3208100-JKIT
Class 1000 Rated
100A Capacity
1 or 2 Phase
120/240V Support
4.2Editor score
1. Digital Electric Sub Meters for Landlords – Best Overall Electric Sub Meter
Digital Electric Sub Meters for Landlords
ANSI Form 2S Socket
120/240V Single Phase
LCD Display with Backlight
Pulse and Modbus Output
This digital energy meter stands out as a top choice for landlords and RV owners seeking reliable sub metering. It features an ANSI Form 2S design that simplifies installation into standard socket bases without requiring specialized tools or extensive wiring changes.
Pros
- Easy plug in installation
- Clear LCD with backlight
- Supports solar monitoring
- EEPROM memory retention
- Ideal for rental units
Cons
- Requires proper enclosure
- Modbus needs gateway
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Its bright LCD display provides immediate visibility into voltage, current, and total kWh usage. The meter tracks both import and export energy which is critical for solar setups. Pulse and Modbus outputs allow you to integrate this unit into larger monitoring networks seamlessly.
While the unit is robust, it is designed to be housed in a protected panel or box to ensure longevity against environmental factors. Users should ensure their electrical system matches the 120/240V single phase requirements before purchase to avoid compatibility issues.
We recommend this meter for anyone needing accurate billing data or energy insights in rental properties. It balances ease of use with professional grade features that support long term monitoring needs effectively.
Rental Unit Billing Solutions
The meter allows precise kWh tracking for individual tenants ensuring fair cost allocation and reducing billing disputes between landlords and residents.
Solar System Integration
Built in import export capabilities let you monitor how much energy your solar array sends back to the grid versus what it consumes.
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2. Digital Electric Sub Meter CL200 – Top Rated Sub Meter
Digital Electric Sub Meter CL200
CL200 Rating
RS485 Modbus Support
Import Export Tracking
EEPROM Data Storage
This model offers advanced communication capabilities that appeal to technicians and property managers managing multiple circuits. The RS485 Modbus interface enables centralized data collection which is valuable for large scale monitoring projects requiring detailed analysis.
Pros
- High rating from users
- Advanced RS485 features
- Clear multi parameter LCD
- Data retention on outage
- IR optical interface
Cons
- Requires Modbus knowledge
- Installation needs care
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The large backlit LCD cycles through voltage current power factor and energy readings providing a comprehensive view of system health. Non volatile memory ensures you do not lose critical usage data during power interruptions or maintenance shutdowns.
Configuration via the front infrared interface is straightforward for authorized users needing to adjust settings. However less tech savvy users might find the communication setup more complex than basic plug in meters found in standard retail options.
This meter is an excellent choice for those who need deep data insights and network integration. It delivers reliable performance for tracking energy trends in workshops rental parks or dedicated circuit environments.
Centralized Data Collection
Multiple meters can be daisy chained over RS485 allowing a single gateway to aggregate usage data from various locations efficiently.
Detailed System Monitoring
Real time display of power factor and reactive power helps identify inefficiencies that simple kilowatt hour meters might overlook.
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3. Series 2000 Single Phase Energy SubMeter – Durable Heavy Duty Meter
Series 2000 Single Phase Energy SubMeter
200 Amp Capacity
120/208/240V
Outdoor Rated Enclosure
1PH 2W 3W Config
The Series 2000 is built for robust performance in environments requiring high amperage capacity. With a 200 amp rating and support for multiple voltage inputs this meter accommodates diverse electrical systems found in commercial or industrial light settings.
Pros
- Handles high current loads
- Wide voltage compatibility
- Outdoor rated design
- Space saving form factor
- Multiple wiring configs
Cons
- Lower user rating
- Limited smart features
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Its durable enclosure is designed for outdoor installation making it suitable for remote buildings or external meter boxes where protection from elements is critical. The compact design saves space while maintaining clear labeling for easier installation and maintenance checks.
While it lacks advanced digital communication features like Modbus it serves well as a standalone monitoring tool. Users should verify specific configuration needs as the 1PH 2W and 3W options require correct wiring to function accurately.
This unit is best suited for applications prioritizing durability and capacity over smart connectivity. It provides reliable tracking for circuits handling heavy loads where consistent physical performance is the primary concern.
High Amperage Support
The 200 amp capacity ensures accurate measurement even when running large appliances or industrial equipment that draw significant power.
Outdoor Installation Ready
Designed for external mounting this meter withstands environmental stressors ensuring consistent operation in varied weather conditions.
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4. DAE P153-200-S KIT – Best Premium Electric Sub Meter
DAE P153-200-S KIT
Revenue Grade Accuracy
200A Capacity
UL CTEP Approved
Cloud Gateway Compatible
This kit represents a premium solution for property managers requiring revenue grade accuracy and cloud based billing capabilities. It holds UL CTEP approval which ensures compliance with strict national accuracy standards for commercial billing applications.
Pros
- California CTEP approved
- 0.5% accuracy rating
- Cloud billing support
- RF converter options
- Factory calibration certs
Cons
- Higher price point
- Cloud requires gateway
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The included gateway allows landlords to access real time data and generate time of use reports remotely. This feature significantly simplifies the process of billing tenants based on actual usage rather than flat rates or estimates.
Wireless connectivity options via RF converters make it adaptable for older buildings where running cables is difficult. However the total cost includes additional components which may be a consideration for smaller projects with limited budgets.
We recommend this system for professional property management where precise billing and remote access justify the investment. It offers a comprehensive suite of tools for managing energy usage at scale.
Professional Billing Tools
Time of use reports help landlords implement dynamic pricing strategies that reflect peak and off peak electricity consumption patterns accurately.
Compliance and Accuracy
Meeting ANSI C12.1 and C12.20 standards ensures the meter is legally acceptable for billing purposes in regulated jurisdictions.
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5. DAE DEM730P Electric kWh Submeter – Compact Sub Meter
DAE DEM730P Electric kWh Submeter
50A Internal CT
RS485 Interface
Indoor Use Only
Cloud Compatible
This model is designed for indoor applications where space is at a premium and internal current transformers are preferred. The 50 amp rating makes it suitable for circuits powering specific appliances or smaller residential units without excessive load.
Pros
- Internal CT simplifies wiring
- Cloud ready connectivity
- Compact profile
- Supports billing reports
- Wireless adapter support
Cons
- Indoor only use
- Limited amperage
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It integrates with the same cloud gateway system as other DAE models allowing remote access to usage data via PC or mobile device. This connectivity enables detailed tracking of consumption patterns for better energy management.
Since the unit is rated for indoor use only it should be protected from moisture and direct exposure to weather. For outdoor scenarios users would need to purchase a separate watertight enclosure to maintain safety standards.
We suggest this meter for retrofitting smaller circuits where external CTs are impractical. It offers a clean install solution with robust data capabilities for monitoring indoor energy usage.
Space Efficient Design
The compact form factor allows installation in tight electrical panels where standard meters might not fit properly.
Remote Data Access
Cloud integration allows property managers to review usage data from anywhere without visiting the physical site.
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6. DAE P254-200-S KIT – Best 3 Phase Electric Sub Meter
DAE P254-200-S KIT
3 Phase Support
200A Capacity
120-480V Range
3 CTs Included
This kit is specifically engineered for three phase electrical systems commonly found in commercial buildings and light industrial settings. It supports voltages up to 480V and includes three current transformers for comprehensive monitoring across all phases.
Pros
- Handles 3 phase power
- Wide voltage range
- Revenue grade certified
- Cloud billing reports
- RF wireless options
Cons
- Complex wiring
- Requires gateway access
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Like other DAE premium models it offers revenue grade accuracy and integration with cloud billing software. This capability is vital for businesses that need precise data to allocate costs accurately across different departments or tenants.
The system supports both wired and wireless connections via RF converters to adapt to existing infrastructure. Users should ensure they have the necessary technical knowledge to wire three phase systems safely and correctly.
We recommend this for commercial property managers dealing with three phase infrastructure who need accurate billing data. It provides a professional solution for complex energy monitoring challenges.
Commercial Grade Capability
Designed to meet industrial needs this meter handles higher power loads and voltage ranges typical in office and factory settings.
Phase Monitoring Detail
Tracking each phase individually helps identify imbalances that can lead to equipment inefficiency or failure.
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7. Single Phase kWh Meter Pass Through – Reliable Pass Through Meter
Single Phase kWh Meter Pass Through
100A Max Rating
Pass Through Wiring
120V or 240V
Pulse Output
This meter simplifies installation by allowing wires to pass directly through the unit without complex current transformer setups. It is robust enough to handle up to 100 amps making it suitable for main panel monitoring or dedicated sub circuits.
Pros
- Straight pass through install
- Handles up to 100A
- Works with 2 or 3 wire
- Local LCD display
- Remote pulse output
Cons
- No cloud features
- Pulse needs external counter
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The LCD display provides local readouts of cumulative energy usage which is perfect for periodic manual checks. For those needing automation the pulse output can connect to external counters or monitoring systems for data logging.
It lacks advanced digital connectivity like Modbus or cloud integration keeping it a simpler choice for basic tracking needs. This simplicity often translates to greater reliability and fewer points of failure in the system.
We suggest this model for users who want a no fuss reliable meter without needing remote data access. It is an effective tool for tracking general consumption trends efficiently.
Direct Wire Integration
Pass through wiring reduces installation time and cost by eliminating the need for external transformers.
Flexible Configuration
Supports both two and three wire setups making it versatile for different residential electrical configurations.
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8. DAE DDM730 KIT 120/240V – Best Budget Electric Sub Meter
DAE DDM730 KIT 120/240V
100 Amp Capacity
Internal CT Design
Din Rail Mounting
Cloud Ready
This kit offers an excellent balance of features and cost for budget conscious buyers. Its internal CT design eliminates the need for external transformers making it easier to install in standard residential panels.
Pros
- Internal CT design
- Din rail mounting
- Cloud ready features
- High user rating
- Affordable price point
Cons
- Indoor use only
- Basic display
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The unit fits on din rails which simplifies mounting in electrical enclosures. Despite its lower cost it supports cloud connectivity via the CC2030 gateway enabling remote billing and usage tracking similar to premium models.
Users must note it is intended for indoor use and may require an enclosure for outdoor protection. The internal current transformers are calibrated for the 100 amp capacity ensuring accurate readings within this range.
We recommend this meter for DIYers and landlords looking for affordable smart metering capabilities. It delivers high value by combining ease of installation with modern data features.
Affordable Smart Features
Even at a budget price point this meter offers cloud capabilities that are usually found in higher priced units.
Easy Mounting
Din rail support ensures the unit can be secured quickly in modern electrical panels without custom mounting hardware.
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9. Universal Single Phase kWh Meter – Universal Sub Meter Option
Universal Single Phase kWh Meter
100A Max Current
Universal Wire Config
60Hz Frequency
Pulse Output
This meter is designed for versatility fitting both two and three wire circuits without requiring special adapters. It handles up to 100 amps making it a solid choice for monitoring residential panels or workshop power supplies.
Pros
- Universal wire support
- Handles 100 amps
- Pulse output included
- Local LCD display
- Solid reliability
Cons
- Basic features
- No cloud integration
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Like other pass through models it includes a pulse output for external monitoring systems. This allows users to track usage remotely if they connect the pulse signal to a compatible data logger or controller.
It does not offer modern cloud connectivity or Modbus communication which limits its use to basic tracking needs. However its simplicity and robust build make it a reliable long term monitoring solution.
We suggest this meter for projects where local readouts and basic remote pulses are sufficient. It provides a dependable way to track energy consumption without unnecessary complexity.
Versatile Wiring
Supporting multiple wire configurations means you can use this meter in a wide range of existing electrical setups.
External Monitoring
The pulse output allows integration with external devices if you need to log data without smart home features.
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10. E-Mon D-Mon E10-3208100-JKIT – Professional Grade Electric Sub Meter
E-Mon D-Mon E10-3208100-JKIT
Class 1000 Rated
100A Capacity
1 or 2 Phase
120/240V Support
This meter is designed for professional applications requiring high accuracy and durability. As a Class 1000 unit it is built to withstand rigorous use in environments where precise billing or monitoring is critical.
Pros
- Professional grade build
- Accurate measurement
- Handles 2 phase
- Robust enclosure
- Dedicated support
Cons
- Higher price
- Advanced setup needed
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It supports both one and two phase configurations providing flexibility for various residential and commercial systems. The enclosure is designed to protect internal components ensuring consistent performance over time.
Installation may require professional expertise to ensure proper wiring and configuration for two phase systems. Users should verify local codes before installation to ensure compliance with safety standards.
We recommend this for professionals or commercial tenants needing reliable metering. It delivers precision and durability that justifies the higher cost in critical applications.
Professional Reliability
Built to industrial standards this meter provides the precision needed for commercial billing and energy auditing.
Multi Phase Flexibility
Supporting two phase power allows broader application in buildings where standard single phase meters would not suffice.
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Buying Guide – How to Choose the Best Electric Sub Meter
Selecting the right electric sub meter involves understanding your specific electrical needs and usage goals. This guide outlines the key factors to consider for making an informed choice.
Voltage and Phase Compatibility
Ensure the meter matches your electrical system voltage such as 120V 240V or 480V. Single phase meters work for most homes while three phase models are needed for commercial setups.
Always check the product specs to confirm it supports the required voltage and phase configuration before purchase.
Amperage Capacity
Select a meter rated for the maximum current your circuit will carry. Common ratings include 50A 100A and 200A depending on the load.
Overloading a meter can lead to inaccurate readings or safety hazards so match the amp rating to your breaker panel.
Communication Features
Modern meters offer pulse Modbus RS485 or cloud connectivity options. Choose based on whether you need local readouts or remote data access.
Communication ports allow integration with broader energy management systems for automated tracking.
Installation Type
Some meters use ANSI Form 2S sockets for plug in ease while others require hard wiring. Internal CT models simplify installation by removing external transformers.
Evaluate your comfort level with wiring to decide between DIY friendly or professional install options.
Accuracy and Certification
Look for ANSI C12.1 or revenue grade accuracy if billing is a primary use case. Certified units ensure data is legally defensible.
Higher accuracy often comes with a higher price but is essential for commercial billing environments.
Indoor vs Outdoor Rating
Verify if the unit is rated for indoor only or outdoor use. Outdoor models have weather resistant enclosures.
Using an indoor unit outside can lead to premature failure and safety risks.
Data Storage and Memory
Meters with EEPROM or non volatile memory retain data during power outages. This ensures you do not lose cumulative usage records.
This feature is critical for billing accuracy where data gaps are unacceptable.
Budget and Value
Prices vary widely from affordable basic models to premium cloud enabled systems. Determine what features are necessary for your specific application.
Sometimes a simple unit with no connectivity is more cost effective than a complex smart meter.
How to Use and Care for Your Electric Sub Meter
Read the installation manual carefully before wiring. Turn off power at the main breaker to ensure safety during installation.
Regularly inspect the meter display to ensure it is cycling through readings correctly. Clear readings indicate proper operation.
Keep the surrounding panel clean and free of dust. Ensure the meter is securely mounted to avoid vibration damage.
Frequently Asked Questions
What is an electric sub meter used for?
An electric sub meter is used to measure energy consumption for specific circuits or tenants separately. It helps landlords bill accurately and homeowners monitor usage for efficiency.
Do I need an electrician to install one?
For hard wired models hiring a licensed electrician is recommended to ensure compliance with codes. Plug in models may be installed by experienced DIYers.
Can I use a sub meter for solar monitoring?
Yes many modern sub meters support import export tracking for solar systems. This allows you to monitor energy sent to the grid versus used by the home.
What is the difference between revenue grade and standard meters?
Revenue grade meters have higher accuracy and are certified for billing purposes. Standard meters are less precise and generally for general monitoring only.
How do I read data from a sub meter remotely?
Remote data access requires a meter with Modbus RS485 or cloud features connected to a gateway. This sends data to a server you can access via web or mobile.
Are indoor meters safe for outdoor use?
No indoor rated meters are not built to withstand moisture or temperature extremes. Use outdoor rated units or enclosures for external installations.
Final Thoughts on Choosing the Best Electric Sub Meter
We reviewed ten distinct models ranging from basic plug in units to advanced cloud connected systems. The right choice depends on your specific need for data accuracy and remote access.
Prioritize compatibility with your existing panel and ensure the amperage rating meets your load requirements. Communication features should match your technical capability and monitoring goals.
Check current availability and verify local code compliance before ordering. Regular maintenance ensures your meter continues to provide accurate data for years to come.