DDS720E is an ANSI socket-type solid-state single-phase residential meter. Complying with ANSI C12.1-2008 and C12.2-2010, it features high precision, reliability and cost efficiency. Adopting high-grade components and ultrasonic welded flame-retardant housing, it supports versatile communication for easy integration into utility data collection systems.
Functions
- Measurement Modes: Supports bidirectional/unidirectional measurement
- Display System: Wide-temperature-range large-screen LCD
- Data Interface: Built-in infrared communication module
- Power-off Operation: Passive display readout (no external power required)
- Tamper-Proof Design:
* Reverse wiring detection
* Screw sealing protection
* Tamper Protection: Built-in cover opening detection for enhanced security
Options
- Multi-Tariff Billing: Supports time-of-use pricing for flexible billing needs
- Modular Power Design: Features replaceable battery architecture to extend service life
| Item | Parameter |
|---|---|
| Scoket Type | FM1S2W, FM2S3W |
| Nominal Voltage | 1120 V, 240 V |
| Voltage Range for Operation | 0.7 Un … 1.2 Un |
| Current Class and Test Amperse | CL200 / TA30 A, CL100 TA 15 A |
| Frequency | 50/60 Hz |
| Display | LCD |
| Meter Constant (Kh) | 10, 20 |
| Voltage Circuit Power Consumption | ≤ 1.7 W, 1 VA |
| Current Circuit Power Consumption | ≤1 VA |
Accuracy Class Ingress Protection against Water and Dust | 0.2, 0.5 |
| Operating Temperature | – 30 ℃ … 65 ℃ |
| Storage Temperture Range | – 40 ℃ … 85 ℃ |
| Humidity | ≤ 95% |
| Communication Protocol | IR |
| Dimensions (mm) | 176 (L) × 176 (W) × 77.5 (H) |
| Weight | 800 g |
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Title: DDS720E【NEW】__EN__V2__20260914
file size: 423.52 KB
published: 14 Sep, 2026
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