DAE DDM730 KIT
5.0Editor score
Internal CTs included
Cloud metering ready
Pass-through design
In this guide
Choosing the right electric sub meter helps you monitor energy usage across multiple tenants or circuits. A good model offers accurate readings, easy installation, and reliable performance for billing or personal tracking.
We evaluated ten top-rated models based on accuracy, compatibility, communication features, and user feedback. This list covers options for residential, commercial, and solar applications to meet diverse monitoring needs.
Each pick highlights key strengths, pros, and cons to help you decide quickly. Prices and availability may change, so verify details before purchasing to ensure the best fit for your setup.
Top 3 Picks for Best Electric Sub Meter
Digital Electric Sub Meters for Landlords
4.5Editor score
ANSI 2S socket base
Bright LCD display
Modbus communication
DAE P254-200-S KIT
4.5Editor score
Revenue-grade accuracy
3 phase support
UL CTEP approved
Top 10 Best Electric Sub Meter in 2026 Compared
The following table compares key specs for all ten products to help you evaluate options side by side.
ProductsSpecificationsEditor scorePrice
Editor's Choice
Digital Electric Sub Meters for Landlords
120/240V single phase
ANSI Form 2S socket
Pulse Modbus output
Bright LCD display
4.5Editor score
Editor's Choice
Digital Electric Sub Meter CL200
120/240V CL200
RS485 Modbus interface
Import export metering
Backlit LCD screen
4.8Editor score
Best Premium
Series 2000 Single Phase Energy SubMeter
Up to 200 Amps
120/208/240V
1PH 2W or 3W
Compact outdoor enclosure
3.2Editor score
DAE P153-200-S KIT
Revenue-grade accuracy
UL CTEP approved
RS485 communication
Cloud metering ready
4.5Editor score
DAE DEM730P Electric kWh Submeter
50A current rating
Internal CTs included
RS485 output
IEC standard compliant
4.4Editor score
DAE P254-200-S KIT
3 phase support
Revenue-grade accuracy
UL CTEP approved
RS485 communication
4.5Editor score
Single Phase kWh Meter Pass-Through
Up to 100A
120/240V range
Pass-through wiring
Local remote read
4.4Editor score
DAE DDM730 KIT
100 Amp rating
Internal CTs
Pass-through design
Cloud ready
5.0Editor score
Universal Single Phase kWh Meter
Up to 100A
120/240V range
Pass-through wiring
Local remote read
4.5Editor score
E-Mon D-Mon E10-3208100-JKIT
Class 1000
Up to 100A
120/208-240V
Professional submeter
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
Pulse Modbus output
Bright LCD display
This digital electric sub meter is designed for landlords and property managers seeking reliable tracking. It fits ANSI form 2S sockets and offers clear LCD readings.
Pros
- Easy installation in standard sockets
- Accurate kWh tracking
- Clear bright LCD
- Modbus integration
- Good value
Cons
- Indoor use recommended
- Basic LCD only
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Its solid-state design handles various loads like heaters and HVAC units without losing accuracy. Pulse and Modbus outputs support system integration for larger setups.
While the LCD is clear, it lacks advanced connectivity beyond standard ports. However, for most rental and solar uses, this remains a reliable choice.
Choose this meter for fair billing, solar monitoring, or RV upgrades. It balances ease of installation with dependable long-term performance.
Accurate kWh Tracking
The solid-state design ensures consistent readings across power fluctuations and varying loads.
Solar and Bidirectional Monitoring
Import export monitoring with reverse LED helps manage solar power flow effectively.
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2. Digital Electric Sub Meter CL200 – Best for Multi-User
Digital Electric Sub Meter CL200
ANSI Form 2S socket
120/240V CL200
RS485 Modbus interface
Backlit LCD screen
This model stands out for landlords needing networked energy monitoring. It offers clear kWh data for tenant billing and solar integration.
Pros
- High accuracy
- RS485 Modbus integration
- Import export monitoring
- Clear backlit display
- Data retention
Cons
- Requires RS485 setup
- Higher cost
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With RS485 Modbus support, multiple meters can share data on one network. The backlit LCD cycles through key electrical parameters for easy viewing.
Setup requires basic networking knowledge but pays off in centralized tracking. Non-volatile memory ensures data stays safe during power loss.
Ideal for RV parks or multi-unit rentals, this meter balances advanced features with straightforward reading displays.
Networked Monitoring
RS485 Modbus allows connecting multiple meters for centralized data collection.
Bidirectional Power Tracking
Import and export energy measurement supports solar systems and grid interaction.
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3. Series 2000 Single Phase Energy SubMeter – Best for 200A Loads
Series 2000 Single Phase Energy SubMeter
Up to 200 Amps
120/208/240V
1PH 2W or 3W
Compact outdoor enclosure
This meter handles heavy loads with a 200A capacity, making it suitable for workshops and larger panels. Its compact design saves space.
Pros
- Handles 200A loads
- Broad voltage support
- Durable outdoor rated
- Space-saving design
- Clear labeling
Cons
- Lower user rating
- Limited smart features
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It supports multiple configurations and voltages for flexibility. The durable enclosure allows outdoor installation in protected boxes.
While smart features are limited, it delivers solid performance for basic monitoring. Lower ratings suggest users should review specs carefully before purchase.
Best for users prioritizing capacity and durability over digital connectivity, it ensures reliable measurement in demanding settings.
Heavy-Duty Capacity
Up to 200A capacity supports high-load circuits and larger electrical panels.
Flexible Voltage Support
Compatible with 120V 208V and 240V for broad system integration.
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4. DAE P153-200-S KIT – Best for Professional Billing
DAE P153-200-S KIT
Revenue-grade accuracy
UL CTEP approved
RS485 communication
Cloud metering ready
This smart submeter offers revenue-grade accuracy for landlords needing precise billing reports. It supports Time of Use billing and cloud integration.
Pros
- Revenue-grade accuracy
- Cloud billing reports
- TOU billing support
- Wireless option available
- Factory calibration
Cons
- High price
- Requires gateway
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With a gateway, data uploads to the cloud for remote access via phone or tablet. Indoor use is recommended unless enclosures are added.
The kit includes CTs for easy setup, though costs are higher. Its precision suits professional property management needs.
Choose this for commercial buildings requiring certified accuracy and detailed tenant billing reports.
Revenue-Grade Precision
Conforms to national accuracy standards for reliable billing applications.
Remote Cloud Access
Gateway integration allows landlords to view usage and billing remotely.
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5. DAE DEM730P Electric kWh Submeter – Best for Small Panels
DAE DEM730P Electric kWh Submeter
50A current rating
Internal CTs included
RS485 output
IEC standard compliant
This submeter is ideal for smaller electrical panels with up to 50A loads. It includes internal CTs for straightforward installation.
Pros
- Internal CTs simplify setup
- RS485 integration
- Cloud billing ready
- IEC standard compliant
- Indoor compact
Cons
- Lower current rating
- Indoor only
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RS485 support allows integration with monitoring systems. Cloud billing via gateway provides tenant usage reports.
Indoor use only unless enclosures are added. The lower current rating limits it to smaller setups.
Best for workshops or small rental units needing accurate digital measurement without external sensors.
Internal CT Integration
Built-in current transformers reduce external wiring complexity.
Compliance
Conforms to IEC standards for reliable performance and safety.
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6. DAE P254-200-S KIT – Best Premium Electric Sub Meter
DAE P254-200-S KIT
3 phase support
Revenue-grade accuracy
UL CTEP approved
RS485 communication
This premium kit supports 3-phase systems with revenue-grade accuracy, making it ideal for commercial buildings. It handles high voltage and offers cloud billing.
Pros
- 3 phase 4 wire support
- Revenue-grade accuracy
- Cloud billing reports
- Wireless connectivity
- High voltage range
Cons
- Expensive
- Complex setup
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With a gateway, tenants receive detailed usage reports. RS485 integration allows multiple meters on a network.
While costly, it provides certified accuracy and advanced billing features. Requires professional installation for best results.
Best for large properties needing precise, multi-phase monitoring with billing compliance.
3-Phase Capability
Supports 3-phase 4-wire and 3-wire configurations for commercial panels.
Advanced Billing
Time of Use and monthly reports help optimize rental billing.
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7. Single Phase kWh Meter Pass-Through – Best for Retrofit
Single Phase kWh Meter Pass-Through
Up to 100A
120/240V range
Pass-through wiring
Local remote read
This pass-through meter simplifies retrofitting by allowing wires to run through without breaking. It supports up to 100A.
Pros
- Pass-through wiring
- High current capacity
- Pulse output
- Flexible voltage
- Easy retrofit
Cons
- No cloud features
- Basic display
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Local LCD reading and pulse output enable basic monitoring and integration. Voltage flexibility covers 120V and 240V.
While it lacks smart features, its physical design is reliable for older panels. Setup is straightforward for electricians.
Ideal for users upgrading existing systems with minimal disruption and straightforward readouts.
Pass-Through Design
Wires pass through the meter reducing panel modifications.
Pulse Output
Remote pulse allows connection to external counters.
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8. DAE DDM730 KIT – Best Budget Electric Sub Meter
DAE DDM730 KIT
100 Amp rating
Internal CTs
Pass-through design
Cloud ready
Rated 5.0, this model offers excellent value with internal CTs and cloud billing. It supports 100A loads and pass-through wiring.
Pros
- Highest rated
- Affordable
- Internal CTs
- Cloud billing ready
- Din rail install
Cons
- Indoor only
- No outdoor enclosure
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Landlords can access tenant data remotely with a gateway. It follows IEC standards and fits DIN rail setups.
Indoor only unless enclosures are added. The cost-to-performance ratio is outstanding.
Best for cost-conscious users needing accurate digital monitoring without breaking the budget.
High User Satisfaction
Perfect rating reflects reliability and ease of use.
Affordable Cloud Billing
Gateway integration enables remote data without high hardware costs.
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9. Universal Single Phase kWh Meter – Best for Simplicity
Universal Single Phase kWh Meter
Up to 100A
120/240V range
Pass-through wiring
Local remote read
This universal meter is straightforward and reliable for basic monitoring. It passes wires through and handles up to 100A.
Pros
- Simple install
- High amp capacity
- Flexible voltage
- Pulse output
- Reliable
Cons
- Basic features
- No cloud
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Local LCD and pulse output support simple tracking or external systems. Voltage flexibility covers most residential circuits.
While not smart-enabled, its durability and ease of use stand out. A solid choice for DIY projects.
Best for those who need a no-fuss, accurate meter without advanced networking.
Universal Compatibility
Works with 2 or 3-wire configurations across standard voltages.
Pass-Through Installation
Wiring passes through the unit reducing panel cuts.
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10. E-Mon D-Mon E10-3208100-JKIT – Best for Professional Install
E-Mon D-Mon E10-3208100-JKIT
Class 1000
Up to 100A
120/208-240V
Professional submeter
This professional submeter offers Class 1000 certification and handles 100A loads across various voltages. It is robust and reliable.
Pros
- Class 1000 certified
- Professional grade
- Broad voltage
- Reliable build
- Multi-phase
Cons
- High cost
- Specialized setup
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Designed for commercial use, it supports accurate billing. Setup is specialized and best handled by licensed electricians.
While expensive, the certification ensures compliance. Ideal for users who prioritize long-term reliability.
Best for professional projects requiring certified equipment and precise energy tracking.
Professional Certification
Class 1000 rating ensures industry-standard compliance.
Commercial Reliability
Built for demanding environments with accurate measurement.
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Buying Guide – How to Choose the Best Electric Sub Meter
Selecting the right electric sub meter requires considering voltage, amp rating, installation, and communication features to meet your goals.
Voltage and Amp Rating
Ensure the meter matches your system voltage and amperage. Residential systems often use 120/240V, while commercial ones may need 208V or 3-phase support. Amp capacity should exceed your expected load.
Choose a meter rated for your max amp to avoid overheating and ensure accuracy.
Installation Compatibility
Check socket types like ANSI Form 2S or DIN rail mounts. Some models use pass-through wiring for easy retrofits. Verify if the meter fits your panel box.
A compatible installation reduces labor costs and simplifies setup.
Communication Features
Look for RS485 Modbus or pulse outputs if you need centralized data. Cloud-ready meters allow remote tracking. Basic meters offer LCD only.
Advanced communication helps for landlords managing multiple units remotely.
Accuracy Standards
Revenue-grade models like those with UL CTEP approval ensure billing accuracy. Check for ANSI or IEC compliance. Accuracy impacts billing disputes.
Higher accuracy is critical for commercial billing and compliance needs.
Solar and Import Export
For solar users, bidirectional meters with import/export tracking are vital. Look for reverse current LEDs. These prevent overbilling or grid issues.
Import export metering supports hybrid off-grid systems effectively.
Environmental Suitability
Most meters are indoor only. Check ratings for outdoor use or enclosures. Sealed housings protect against humidity and dust.
Choose weather-resistant options for outdoor pedestals or garages.
Budget and Total Cost
Compare meter price plus accessories like CTs or gateways. Some kits include all parts while others need extras. Long-term savings matter for ROI.
Factor in gateway or enclosure costs when comparing models.
User Experience and Support
Check reviews for reliability and setup ease. Good support helps with wiring or software. Clear manuals reduce errors during installation.
Strong user feedback indicates better product reliability.
How to Use and Care for Your Electric Sub Meter
Ensure power is off before wiring. Follow terminal labels for line, load, and neutral. Secure connections tightly to prevent heating.
For cloud-enabled models, connect the gateway via Ethernet or wireless. Sync the app to view usage data and billing reports.
Keep the meter clean and dust-free. Check displays regularly and ensure firmware is updated. Contact support if readings seem off.
Frequently Asked Questions
What is an electric sub meter used for?
An electric sub meter tracks energy usage on specific circuits or units. It helps landlords bill tenants accurately or monitor solar systems. Sub-metering allows fair cost allocation across multiple users.
Do I need a professional to install a sub meter?
While some models are DIY-friendly, electrical safety is critical. Licensed electricians ensure compliance with local codes. Always verify your panel capacity before installation.
Can a sub meter measure solar energy?
Yes, bidirectional meters track both import and export energy. They monitor solar output and grid usage. Look for reverse current indicators.
What is revenue-grade accuracy?
Revenue-grade accuracy means the meter meets strict standards for billing. It is required for commercial billing. Models with UL CTEP approval often qualify.
How do I connect a sub meter to my internet?
Use an RS485 gateway or Wi-Fi module supported by the meter. Connect the gateway to your router for cloud access. The meter then sends data for monitoring.
Can I use a sub meter outdoors?
Most meters are indoor-rated. Outdoor models need watertight enclosures. Check product specs to ensure weather protection.
Do sub meters require an external power source?
Most run from the measured circuit. Some need auxiliary power for communication. Check if the model supports power from line voltage.
What is the lifespan of a digital sub meter?
Digital meters typically last many years with proper installation. Solid-state designs avoid moving parts. Check manufacturer warranties for expected lifespan.
Final Thoughts on Choosing the Best Electric Sub Meter
The top picks include the Digital Electric Sub Meters for Landlords for overall value, the DAE DDM730 KIT for budget, and the DAE P254-200-S KIT for premium needs.
Prioritize voltage, amp rating, and communication features based on your system. Accuracy and installation ease matter for long-term satisfaction.
Prices and availability may vary. Verify current details before purchasing to ensure the best fit for your energy tracking goals.