DDSYU866(RF) Single phase rail type prepaid energy meter (Non contact/RF card with RS485 communication interface 4P)

Overview

The DDSY866 (RF) series electronic single-phase prepaid electricity meter adopts a shielded and sealed structure, and uses a single-chip microcontroller for data acquisition, processing, and storage. Has good resistance to electromagnetic interference, low power consumption, high accuracy, high overload, and long lifespan. Safety meets all technical requirements for electronic single-phase prepaid electricity meters in GB/T17215-2002, GB/T18460.3-2001, and DL/T645-1997 standards.

Features

Apply computer management to purchase electricity before using it; Can provide load limiting control according to user requirements, one meter one card (one meter multiple cards), dedicated card, no power loss after card loss, and can be reused after card replacement; Electric cards can transmit data bidirectionally; Can automatically alert users to purchase electricity or overload; When the battery level is zero, the power will automatically trip and cut off; Has certain anti-theft software design, etc.

Technical Specifications

◆ Model: DDSY866 (RF) type

Accuracy level: 1.0 or 2.0

Reference voltage: 220V

Reference current: 1.5 (6) A, 5 (20) A, 10 (40) A, 15 (60) A, 20 (80) A

Reference frequency: 50Hz, 60Hz.

Basic operating temperature: -20 ℃ to+55 ℃

Extreme working temperature: -25 ℃ to+60 ℃

Relative humidity: ≤ 85%

Accuracy does not require calibration for long-term work.

There should be no corrosive gases in the surrounding air, and dust, salt spray, condensation, etc. should be avoided.

◆ Dimensions: 75mm × 88mm × 73.5mm