Single Phase Energy Meter
Leading Single Phase Energy Meter Manufacturers in China
Dadao stands out to those seeking trustworthy energy consumption meter manufacturers around the world. Serving as a globally renowned producer based out of China, Dadao specializes in delivering high end energy consumption and other meter manufacturing gadgets in both commercially and residential markets. With Dadao, you are guaranteed the best quality international standard energy meters without any worries. For further details, get in touch with us today.

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Dadao Single Phase Energy Meter Solution
Sophisticated Measurement
Enables uni-directional and bi-directional energy measurement with Class 1.0 (Active) and Class 2.0 (Reactive) standards.
Wide Area Coverage
Gives options of RF, GSM/GPRS, and PLC to allow remote control and integration.
Regulation Adherence
Aligned and certified to standards IEC, DLMS and KEMA for international credibility and interoperability.

Anti-tamper Technology
Secure the integrity of the database through discarding any unauthorized modification.
Radical User Interface
High Definition LCD Screen that self updates enabling in-depth interactive visualizations
Operational Environmental
Functional range of -25°C to 70°C with IP54 rating which allows for robust operating conditions.
Single-Phase Wall-Mounted Energy Meter (State Grid Type) for sale
DDS5688
DDSY5688
DDSD5688


DDS5688(State Grid Type)
Dadao/DDS5688 is a single-phase wall-mounted energy meter. It is accurate and reliable for metering electricity for state grids with features of bidirectional measurement, power theft prevention, low power consumption and compact design. Easy to fit and cost-effective, it guarantees the right quantity of energy in your firm and secure management.
- Starting Current:≤0.004Ib
- Pulse Constant:1600 imp/kWh
- Energy LCD:Displays 0~999999.99kWh
- Operating Temperature Range:-30℃65℃, extreme temperature range: -40℃70℃, relative humidity ≤85%


DDSY5688 (State Grid Type)
Efficiency and reliability are the main features of the DDSY5688 (State Grid Type). This single-phase electronic prepaid meter has advanced microcontroller technology, an IC card for secure data handling, and accurate measurement of anti-electromagnetic interference. It is suitable for complex power environments due to its low self-consumption as well as anti tampering capacities, and robust vandal resistant design.
- Frequency Range: Suitable for active energy measurement at 50Hz or 60Hz.
- Ambient Temperature: -30℃ to +75℃
- Relative Humidity: Up to 85%
- Surrounding Air: Should be free of corrosive gases


DDSD5688 (State Grid Type)
The Dadao/DDSD5688 Single-phase Wall-mounted Kilowatt-hour Meter is a dependable, inexpensive product manufactured for the State Grid Type. It uses a sophisticated integrated circuit that guarantees precise measurements and has time-sharing abilities. The use of infrared and RS-485 communication links makes data retrieval easier while its durability ensures protection from interferences. It’s designed with a wide operating temperature range to provide durable and accurate energy monitoring over the long term.
- Reference voltage: 220V
- Reference current: 2.5(10)A 5(20)A 10(40)A 20(80)A
- Reference frequency: 50Hz
- Accuracy level: 1.0
Technical drawings of Single-Phase Wall-Mounted Energy Meter (State Grid Type)
Single-Phase Wall-Mounted Energy Meter (IoT Type) for sale
DDSY5688(IoT Type)
DDSD5688(IoT Type)
DDSF5688(IoT Type)


DDSY5688 (IoT Type)
Efficiency and reliability are the main features of the DDSY5688 (State Grid Type). This single-phase electronic prepaid meter has advanced microcontroller technology, an IC card for secure data handling, and accurate measurement of anti-electromagnetic interference. It is suitable for complex power environments due to its low self-consumption as well as anti tampering capacities, and robust vandal resistant design.
- Starting Current:≦ 0.004Ib
- Pulse constant:1600 imp/kWh
- Clock Error:<0.5s/d (23℃),<1s/d (-23-+60℃)
- Working Environment:-30 - 65°C / RH≤85% condensationless (/ No corrosive gas)
- Submersible Logic:anti-submersible function


DDSD5688 (IoT Type)
The Dadao/DDSD5688 Single-Phase Wall-Mounted Energy Meter is a highly accurate and dependable energy measuring instrument that comes with advanced IoT functionality. It is characterized by ruggedness against environmental fluctuations, compactness with high seals, and lithium backup batteries to prevent data loss during power outages. Additional functions are error correction, time-of-use control, and a pulse output interface for accurate testing. This meter is the perfect solution for the effective management of energy.
- Rated Operating Voltage:Un 220V (70% - 120%)
- Single-phase Critical Voltage: The energy meter can work at 60% (0.7Un or more communication, backlighting, pulling, and closing the gate can work normally).
- Accuracy: Class 1.0
- Current:1.5(6)A 、5(10)A 、5(20)A 、5(30)A 、10(40)A 、 10(50)A 、10(60)A、20(80)A、20(100)A


DDSF5688 (IoT Type)
To boost your energy management, consider the Dadao/DDSF5688 IoT Single-Phase Energy Meter. It is a precisely designed gadget that comes with state-of-the-art features, time of usage metering, real-time data transmission and prepaid functionality. In terms of communication, it is compatible with RS485, NB-IoT as well as 4G which guarantees a seamless supply for single phase networks while also offering dependable energy monitoring. Get this advanced meter that uses internet of things to ensure you have power over your own consumption.
- Submersible: Logic anti-submersible function
- Pulse constant:1600 imp/kWh
- Power LCD :Display 0-999999.99kWh
- Clock Error:<0.5s/d (23℃),<1s/d (-23-+60℃)
- Battery:3.6V 1.2Ah (non-rechargeable)
Technical drawings of Single-Phase Wall-Mounted Energy Meter (IoT Type)
Single Phase Energy Meter Specifications
Specification | Details |
---|---|
Voltage Range | 230V AC |
Current Capacity | 0.25-80A |
Accuracy Class | Class 1.0 (Active Energy) |
Frequency | 50Hz |
Display Type | LCD display |
Measurement Capabilities | Single-phase, Multi-rate function |
Communication Interfaces | RS485, Modbus protocol |
Installation Type | Wall-mounted |
Certification | CE-certified |
Pulse Output | 1000 imp/kWh |
Environmental Conditions | -25°C to +55°C (Operating), -40°C to +70°C (Storage) |
Build Quality | Durable materials |
Warranty | 2-year warranty |
Dimensions and Weight | Compact and lightweight |

why choose Dadao Factory's Single Phase Energy Meter
Dadao Factory provides highly competitive rates which makes it a more appealing selection for bulk buyers. With wholesale price points panning out to be between $6.36 to $7.23 per unit, depending on the volume of the order. This provides a competitive edge to the distributors aiming to sell these in the markets as it will allow one to keep a healthy margin for resale.
Key Data Parameter:
- Price Range (per unit): $6.36 to $7.23 (limited-time offer).
Dado pays strong emphasis to accuracy in its Great Wall Electricity Single Phase Meters. The higher deice is maintained across a wide temperature span which allows the Meters to perform strong and reliable. Furthermore, a Rugged Construction feature allows the design to work around -20 degrees to +70 degrees with decency. Additionally a starting crank of around 0.02A allows the device to work under low load circumstances.
Key Data Parameters:
Grade Of Accuracy: 1.0.
Temperature Limits: -20℃ to +70℃.
Current Required For Starting: 0.02A.
Dadao Factory has well-defined manufacturing procedures which satisfy international regulations aiding their customers in world-wide purchasing of these manufactured goods. For general quality assurance, the manufacturing process complies with ISO9001 while the meters bear CE and RoHS which ensures their safety and environmental end use. On top of that, these meters meet the requirements set by the IEC62053-21 standard regarding static watt-hour meters.
Key Data Parameters:
ISO9001, CE, RoHS certification types.
Standard of compliance IEC62053-21.
The customized nature of Dadao’s meters further explains the reason behind their market penetration. Customers are able to demand their own designs in terms of decoration and preferred names cladded on the meters. Such functionalities help redevelopers to adapt the item to their market requirements and therefore assists in creating more recognition of the brand. The meters stand in different ranges of colors with numerous applications of logos such as laser engraving or printing.
Key Data Parameters:
- Features of Customization: Logo engraving/printing, designs and colors.
Dadao developed technologically advanced features, thus meeting the requirements of the contemporary consumer. The meters utilize an LCD display, RS485 Modbus for enhanced system communication, and GPRS functionalities which allow remote data collection. Such features enable the utilization of the meters for a wide variety of household and business uses.
Key Data Parameters:
Display Type: LCD.
Communication Protocol: RS485 Modbus.
Support Feature: GPRS.
Welcome to Dadao's Single Phase Smart Energy Meter Factories
Look into Dadao’s Single Phase Smart Energy Meters that are best suited for residential as well as commercial purposes because they promise accuracy and advance monitoring with smooth integration.
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Frequently Asked Questions
Q: Define a single phase energy meter.
A: A single phase energy meter is a physical apparatus crafted for the sole purpose of recording the electrical energy utilized in households and low-scale business entities. It keeps on tracking the quantity of electrical energy consumed in the form of kilowatt-hours which is then used alongside other information for formulating the electric bill.
Q: Explain the working principle of single-phase energy meter.
A: The construction of a single phase energy meter allows it to record only the various parameters that corresponds to the energy consumed either in an AC or DC application. By taking the product of both the current and voltage and applying an integral over time results in defining the total energy consumed. Furthermore, modernized digital meters have then been developed allowing additional operations including power factor and frequency readings.
Q: What are the advantages of a digital single phase energy meter?
A: Compared to their counter part, which are the traditional single phase energy meters, the digital single phase energy meters have a great number of benefits which include improved accuracy of readings, reading capability for a higher number of indexes which includes voltage, current and power factor, digital screens which further improves readability and saving of telemetry signals which allows smart features and advanced remote systems.
Q: Are single-phase energy meters installed on solar PV systems?
A: There are some single-phase energy meters that can be incorporated on a solar PV system. These types of single-phase energy meters are dual-purpose, in that, they can be used with a solar grid system compensating for both the outgoing and incoming energy.
Q: Can you describe what a DIN Rail Energy Meter is?
A: A DIN rail energy meter is in the form of a single-phase energy meter that is relevant to be attached to a normal DIN rail within an electrical box. Their small size enables these devices to be used in home repairs or automatic projects which enables ease of installation. These devices have add-ons such as a Modbus communication that enable other systems monitoring energy consumption to be connected to it.
Q: What should I look for in customer reviews when choosing a single phase energy meter?
A: For single phase energy meters one should review customer comments and feedback for its accuracy, reliability and ease of installation and clarity of the display. Moreover, for complex meters, feedback on the performance of energy monitoring features and the operation with other systems should be sought. Also, reports of the quality of technical assistance rendered to customers are also important.
Q: What does “100A” refer to in single phase energy metre product description?
A: In an energy meter with single phase the term “100A” specifically pertains to the highest value of the current. Hence, it means such meters could accurately measure electrical loads of up to a hundred amperes. It is better to make use of a meter with a current rating that is equivalent or better than the expected maximum to however guarantee precision and safety.
Q: Is it possible for a single phase energy meter to be capable of measuring both a 120V and a 220V system?
A: Depending on the design of some single-phase energy meters, it has been noted that they are capable of functioning for both 120V and 220V. However, such feature needs to be enabled within the energy meter design. It is always advisable to review the product specifications to ensure compatibility with the meter’s voltage. It is worth noting that, many of the global market’s new digital meters are capable of flexible use due to an automatic voltage range detection and measurement feature.
Q: In terms of effectiveness, how correct can the single phase energy meters be when used for in house energy monitoring systems?
A: For consumer purposes, single phase energy meters of good quality can cost quite a lot because their accuracy tends to be excellent within a range no more than ±0.5 to ±1 in most cases . In newer models, digital meters are commonly used in cars which made it possible to measure much more accurately than classical analogue meters. Handling the device properly and keeping it in the right position is crucial to achieving the best results. There are also many advanced models that provide the exact amount of power consumed at a specific moment and can be connected to home devices for optimization purposes.