1. Introduction and Overview
The SINOTIMER DDS6619 Din Rail Single Phase Electronic Energy Meter is a new style, whole electronic type meter designed for measuring active energy power consumption. It adopts advanced micro-electronics techniques, imported large-scale integrated circuits, digital sampling, and SMT technologies.
This meter is used for accurately and directly measuring active energy consumption from positive and reverse directions at a rated frequency of 50Hz or 60Hz. It offers good reliability, small volume, light weight, a pleasing appearance, and advanced technical features.
Environmental Conditions
The meter is designed for indoor installation. The operating environmental conditions are as follows:
- Ambient temperature: -25°C to +55°C
- Relative humidity: Not more than 95%
- Absence of heavy corrosive gas, dust, mold, or insects.
2. Safety Information
Please read this manual carefully before installation and operation. Failure to follow these instructions may result in electric shock, fire, or other hazards.
- Installation and maintenance should only be performed by experienced electricians or professional technicians.
- Always disconnect power before installing or servicing the meter.
- Ensure all connections are secure to prevent loose contacts, which can lead to overheating and damage.
- Install the meter in a protective box in dusty environments or where mechanical damage is possible.
- Take precautions against lightning damage, especially in areas prone to thunderstorms.
- Do not exceed the maximum operating current to prevent inaccurate readings or damage to the current coil.
3. Product Features
- Maximum Current: 80A
- Pulse Frequency: 1000 imp/kWh
- Display: LCD with backlight
- Installation: 35mm DIN rail mounting
- Multi-functional Display: The meter cycles through or allows manual selection of the following parameters:
- Total Energy (kWh)
- Temporary Energy (kWh) - resettable
- Real-time Voltage (V)
- Real-time Current (A)
- Real-time Power (W)
- Impulse Indication: A pulse LED indicates energy consumption (lights up for approximately 80ms per impulse).
- Reverse Direction Indication: A dedicated indicator light illuminates if energy is being consumed in the reverse direction.
4. Specifications
| Attribute | Value |
|---|---|
| Model Number | DDS6619 |
| Rated Voltage | AC 220V |
| Max. Operating Current | 80A |
| Max Operating Current Range | 50A - 79A (Max 80A) |
| Power Supply | AC |
| Phase | Single-phase |
| Accuracy Class | 1 |
| Measuring Energy Range | 99999.9 kWh |
| Display Type | LCD |
| Backlight | Yes |
| Pulse Frequency | 1000 imp/kWh |
| Operating Temperature | -25°C to +55°C |
| Dimensions | 78.5 x 65.6 x 36.5 mm |
| DIY Supplies | Electrical |
| Certification | CE |
5. Installation
The meter is designed for 35mm DIN rail installation. Please follow these guidelines carefully:
- The meter should only be installed after being tested and sealed. If the seal is broken or the storage time is too long, the meter must be retested before installation.
- Upon unpacking, inspect the meter and its packaging. If the inner packaging or meter cover is found broken, do not install the meter and contact technical service.
- Installation must be performed by an experienced electrician or professional technician who has read and understood this User Manual.
- Install the meter in a well-ventilated and dry location. The meter's baseboard must be mounted on a fire-resistant and stable wall.
- Always install the meter within a protective box to shield it from dust and potential mechanical damage.
- Connections must strictly adhere to the wiring diagrams provided in this manual. It is recommended to use soft brass wires for input to prevent burning due to loose contact.
- After correct connection to the electricity net, the meter's power indication light should illuminate.
- The load capacity of the meter is between 0.05Ib and Imax (80A). Exceeding this capacity will result in inaccurate readings and may cause the current coil to overheat and burn.
Wiring Diagrams
Refer to the following diagrams for proper connection. Ensure the Line (L) and Neutral (N) connections are correct.
Figure 1: General Wiring Diagram showing connection between power switch, energy meter, and air circuit breaker.
Figure 2: Detailed Wiring Diagram for Model 1, illustrating L and N input/output terminals.
Figure 3: Detailed Wiring Diagram for Model 3, illustrating L and N input/output terminals.
Terminal Connections
| Terminal | Note |
|---|---|
| 1 | Input phase line (L) |
| 4 | Neutral line (N) |
| 2 | Outgoing phase line (L) |
| 3 | Neutral line (N) |
6. Operation
Display Modes
The meter features an LCD display that cycles through various parameters. You can also manually press the button on the front panel to cycle through the displays:
- Total Energy (kWh): This value accumulates total energy consumption and cannot be reset.
- Temporary Energy (kWh): This value shows temporary energy consumption and can be reset to zero.
- Voltage (V): Displays the real-time voltage.
- Current (A): Displays the real-time current.
- Power (W): Displays the real-time power consumption.
Figure 4: Example of meter display showing various parameters.
Resetting Temporary kWh
To reset the temporary kWh reading to zero, press and hold the "RESET" button on the front panel for approximately 6 seconds. Note that only the temporary kWh can be reset; the total kWh is permanent.
Impulse Indication
When the meter is connected to a load and consuming energy, the impulse indicator light will flash (approximately 80ms per flash) to indicate energy pulses.
Reverse Direction Indication
If the meter detects energy consumption in the reverse direction, a dedicated reverse direction indicator light will illuminate.
Operation Video
Video demonstrating the meter's display functions and the temporary kWh reset feature.
7. Maintenance
- Keep the meter clean and free from dust.
- Regularly check all electrical connections for tightness to prevent loose contacts.
- Do not attempt to open or repair the meter yourself, as this may void the warranty and pose safety risks.
- Store the meter in its original packing box in a dry place with an ambient temperature between -35°C and +65°C and relative humidity not exceeding 95%. Avoid corrosive gases.
- When storing multiple meters, stack boxes no more than five high on a rack. Individual meters should not be stored separately without their protective packaging.
8. Troubleshooting
| Problem | Possible Cause / Solution |
|---|---|
| Meter not powering on / Display blank | Check all electrical connections for proper wiring and secure contact. Ensure power is supplied to the meter. |
| Inaccurate readings | Verify that the load capacity does not exceed the meter's maximum (80A). If the meter was unsealed or stored for a long time, it might require retesting. |
| Temporary kWh not resetting | Ensure the "RESET" button is pressed and held for the specified duration (approx. 6 seconds). |
| No impulse indication (LED not flashing) | Check if a load is connected and actively consuming energy. Verify wiring. |
| Reverse direction indicator light is on | Check the wiring connections to ensure the Line (L) and Neutral (N) are correctly installed and not reversed. |
| Backlight always on | This is normal operation for models with backlight. The backlight is designed to remain on. |
| Total kWh resets after power cut | The total kWh is designed to be non-resettable and retain its value even after power loss. If it resets, the unit may be faulty. |
9. User Tips
- Many users find this meter to be accurate and reliable for monitoring energy consumption.
- The meter works effectively with 220V and 240V systems.
- The temporary kWh reset function is useful for tracking consumption over specific periods (e.g., monthly).
- The backlight is a continuous feature, providing clear visibility of readings.
- The total kWh reading is non-volatile and will not reset upon power loss, making it suitable for long-term monitoring.
10. Warranty
The manufacturer guarantees to repair or replace the meter free of charge within 18 months from the date of manufacture, provided the user complies with all rules outlined in this manual. This warranty applies if the sealed meter does not conform to the technical requirements of IEC62053-21 & GB/T172-15.321-2008, or any certification from a Power Department or Measuring Department.
11. Support
For technical assistance, questions, or to report issues, please contact the seller or manufacturer's customer support. When contacting support, please provide your product model (DDS6619) and a detailed description of the issue.
A detailed user manual in PDF format is available for download: SINOTIMER DDS6619 User Manual (PDF)