成人无码视频97免费,欧美巨大xxxx做受中文字幕,久久久久久精品精品免费,无码黄片一级视频,久久黄色网站一级片,国产精品一级毛片视频,色色一级毛片综合视频,国产av一级喷不卡大奶,一级特黄美女裸体毛毛片

Product Center IEC Series Meter Smart Prepayment Meter Smart Prepayment Meter Single phase STS prepaid keyboard meter DDS1079
Smart Prepayment Meter
Single phase STS prepaid keyboard meter DDS1079
Overview

DTSD178-2 is an intelligent three-phase prepaid residential keyboard meter, which provides local and remote reading, writing, and recharging functions through STS standards and a unique pluggable communication module. DTSD178-2 is designed for measuring active/reactive/apparent energy, TOU metering, data logging, alarm detection and load control functions.

Key features

? IP54

? Plug and play modular design(PLC/RF/GPRS/3G/LTE).

? Multi-rate electric energy and maximum demand calculation.

? Rich auto display, push-button display, high resolution display items.

? High precision RTC clock and calendar.

? Powerful anti-tampering function.

? Prepay/Post pay function, local/remote charges.

? High-capacity storage for curve data, event recording, etc.. 

? AMI interconnection design, remote firmware upgrade.

? Multi-mode load control logic.

? Provide STS/IEC/DLMS/KEMA certification.