Three Phase Four Wire Smart Energy Meter
Type: DTSD1311
This three-phase smart meter supports energy metering, data communication, TOU tariff control, monthly settlement, daily data freezing, load profile recording, event logging, LCD display, firmware upgrade and PUSH data transmission functions.
description
| Item | Sub-item | Parameters |
| Basic Parameters | Meter Type | 3-Phase 4-Wire (3P4W) Smart Meter |
| Accuracy Class | Active Energy (DT Type): Class 1 (IEC 62053-21) Reactive Energy: Class 1 (IEC 62053-23) | |
| Rated Voltage | Rated Voltage: 3x230V/400V Operating Voltage: 0.8Un ~ 1.2Un | |
| Rated Frequency | 50Hz | |
| Current Rating | DT Type Meter: 5(80)A | |
| Starting Current | DT Type Meter: 0.004Ib | |
| Pulse Constant | DT Type Meter: 1000imp/kWh, 1000imp/kvarh | |
| Power Consumption (excluding modules) | Current circuit active power consumption < 1VA; Voltage circuit active power consumption < 2.0W, apparent power consumption < 10VA (without communication module) | |
| Operating Temperature Range | -40°C ~ +70°C | |
| Extreme Temperature Range | -40°C ~ +70°C | |
| Basic Tests | Compliance Standards | IEC 62053-22IEC 62053-23IEC 62052-11 |
| Communication | Communication Ports | 1 x Near-Infrared Communication Port 1 x RS485 Communication Port 1 x 4G Communication Port 1 x Wmbus Communication Module |
| Communication Protocol | Optical: IEC62056-21 mode E, 9600bps RS485: DLMS HDLC, 38400bps 4G: Wrapper Wmbus: EN13757 | |
| PUSH Function | Supports Wmbus scheduled PUSHSupports 4G module event PUSH | |
| Data Security | The meter adopts DLMS security suite 0 | |
| Metering | Energy Measurement | – Forward active energy (1.8.0) + by tariff – Reverse active energy (2.8.0) + by tariff – Forward reactive energy (3.8.0) + by tariff – Reverse reactive energy (4.8.0) + by tariff – Quadrant I reactive energy (5.8.0) + by tariff – Quadrant II reactive energy (6.8.0) + by tariff – Quadrant III reactive energy (7.8.0) + by tariff – Quadrant IV reactive energy (8.8.0) + by tariff – Forward apparent energy (9.8.0) + by tariff – Reverse apparent energy (10.8.0) + by tariff – Total active energy (15.8.0) + by tariff – Phase A forward active energy: 21.8.0 – Phase A reverse active energy: 22.8.0 – Phase B forward active energy: 41.8.0 – Phase B reverse active energy: 42.8.0 – Phase C forward active energy: 21.8.0 – Phase C reverse active energy: 22.8.0 |
| Instantaneous Values | – Voltage (L1~L3) – Current (L1~L3) – Total forward active power – Total reverse active power – Active forward/reverse power (L1~L3) – Reactive forward/reverse power (L1~L3) -Apparent forward/reverse power (L1~L3) – Total power factor- Power factor (L1~L3) – Grid frequency – Quadrant IV reactive power (L1~L3) – Voltage phase angle (L1~L3) – Voltage-current phase angle (L1~L3) | |
| Demand | Demand interval: – 300 seconds – 600 seconds – 900 seconds (default) – 1200 seconds – 1800 seconds – 3600 seconds Demand calculation method: Block | |
| LED & LCD Display | LED Indicators | 4 LEDs from left to right: – Active pulse output indicator – Electricity theft alarm indicator – Reserved LED (for future use) – Reactive pulse output indicator |
| LCD Display | Energy display format: 5+3/6+2/7+1/8+0 configurable, default 8+0 Power display format (kW): 3 decimal places Voltage display format (V): 1 decimal place Current display format (A): 2 decimal places | |
| Display Modes | Auto scroll displayKeypad displayService scroll display modePower-off display | |
| Display Duration | Normal display: 5s~60s configurable, default 7s Keypad display time: 5s~60s configurable, default 60s Power-off display time: 30s | |
| Display Content | See 【Appendix A】Appendix A: Display Item List for details | |
| TOU | Maximum TOU Table Quantity | Supports up to 10 sets of TOU tables |
| Time-of-Use Tariff | 8 tariffs12 daily time-of-use tables10 daily tables12 weekly tables10 seasonal tables100 holidays | |
| Clock | Accuracy ≤0.5s/day (at 23°C) Supports daylight saving time switching function | |
| Battery Service Life | External replaceable battery Service life: 15 years Continuous working life after power failure: 2 years | |
| Load Profile | Load Profile with Period 1 | Load interval: 1/5/10/15/30/60 minutes configurable, default 30 minutesStorage capacity: At least 4320 records (13289 records for default objects in actual use) Selective access: by range and by entry; Sorted method: smallest; Captured objects: See Load Profile with Period 1 for details |
| Power Quality Profile | Load interval: 1/5/10/15/30/60 minutes configurable, default 30 minutesStorage capacity: At least 1152 records (6225 records for default objects in actual use) Selective access: by range and by entry; Sorted method: smallest; Captured objects: See Power Quality Profile for details | |
| Billing | Daily Billing | Storage capacity: At least 10 days of data (231 records for default objects in actual use) Billing method: Auto Billing at 00:00:00; Selective access: by range and by entry. Sorted method: unsorted (FIFO). Billing content: See Daily Freezing for details |
| Monthly Billing | Storage capacity: Stores at least the latest 14 monthly Billing records;Billing methods: 1) When a contract starts or ends, the meter will trigger billing and save the current contract data. 2) Automatic billing based on RTC (Real Time Clock). The billing date and time is programmable via the end of billing period/MDI reset object, default time is 00:00:00 on the 1st day of every month. 3) Triggered by remote or local billing command.Selective access: by range and by entry.Sorted method: unsorted (FIFO).Billing content: See Monthly Billing for details | |
| Disconnector Control | Disconnector | Built-in internal disconnection switch, minimum switching operation life at full rated load: 10,000 times |
| Event | Event Logs | 1) Standard Event Log; 2) Fraud Event Log; 3) Disconnector Control Event Log; 4) Power Quality Event Log; 5) Communication Event Log; 6) Firmware Upgrade Event Log; 7) Power Failure Event Log; 8) Security Event LogMaximum 200 records for each type of event |
| Upgrade | Firmware Upgrade | 1) Supports local upgrade via optical port 2) Supports local upgrade via RS485 3) Supports remote upgrade via 4G 4) Supports upgrade via 4G module |
| Mechanical Specifications | Installation Standard | BS7856 crimping type |
| Protection Level | IP54 | |
| Sampling Connection Method | Rigid and flexible connection | |
| Seals | 1 module cover seal 2 meter cover seals1 keypad seal 2 cover plate seals | |
| Meter Material | PC + 10% GF | |
| Dimensions (L×W×H) | 260mm × 170mm × 80mm | |
| Weight | Approx. 2kg |
