Single Phase Din Rail Energy Meter DTSY2788 and DSSY2788 Electronic Three-Phase Prepaid Electric Energy Meters are new types of IC card-based prepaid electric energy meters with multiple functions including electric energy measurement, load control, and user information management. They are ideal products for reforming the electricity management system, commercializing electric energy, solving difficulties in fee collection, and regulating grid load conditions.
This series of electronic Single Phase Din Rail Energy Meter supports two connection methods: direct connection or connection via current transformers.
All performance indicators of the product comply with the full technical requirements for electronic three-phase prepaid electric energy meters specified in the standards GB/T 17215.321-2008 Class 1 and Class 2 Static Alternating Current Active Watt-Hour Meters and GB/T 18460.3-2001.
All performance indicators of this product comply with the full technical requirements for electronic prepaid electric energy meters specified in the standards GB/T 17215.321-2008 Class 1 and Class 2 Static Alternating Current Active Watt-Hour Meters and GB/T 18460.3-2001.
Technical Functions
◆ Measures active electrical energy, no need for calibration during long-term operation;
◆ Adopts the ADE7755 dedicated metering chip;
◆ Utilizes a new foreign-specific integrated circuit for electrical energy with a built-in digital multiplier, which greatly expands the meter’s dynamic operating range, enabling the actual overload capacity to reach more than 10 times;
◆ Features favorable error linearity within the 5% Ib – Imax range;
◆ Has few peripheral components, low power consumption, and a simple electric meter structure;
◆ All components inside the electric meter are selected as long-life and highly reliable electronic devices, thus boasting the characteristics of a long service life and high reliability.
◆ Display methods: Counter, liquid crystal;
◆ Equipped with a remote power-off function
◆ Output interface: RS485.
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| Rated Current (A) | Rated Voltage (V) | Rated Frequency (Hz) | Accuracy Class |
| 1.5(6)，2.5(10)，5(20)，5(30),10(40) | 220 or 240 | 50 or 60 | Class 1 or Class 2 |
| 10(60),20(80),30(100) | | | |
