Abstract

Linshu Single phase RF Card Prepaid Electric Meter with integrated chip. It uses M1 card to manage electric information, RS 485 to realize meter correction, The meter has automatically correction function with software and overload protection function. One RF card for for one meter, intellectual charge control and users can clearly manage the power consumption of each meter.

Feature

● One meter for one card with good anti-counterfeiting. First take integrated circuit RF card to prepaid the bill, then the fee transmit into client RF card, put the RF card onto the single phase RF card electric meter, the meter will deduct the price of electricity (0.1kWh as base) according to the unit price, this is set on the RF card to be transferred into the meter. We could also realize the function that one meter with more than one RF card.

● Backlight LCD display, 6+2 digits. It could display balance electricity fee, total electricity consumption, unit price. When displays the balance credit and unit price, it is 6+2 digits (two digits for decimal), and when displays the energy consumption, it is 7+1 digits (one digit for decimal).

● Automatically correction function. If the unit price of electricity changes, the displayed unit price will also be changed through the communication RF card modified from the vending system.

● Partition management with our software. Divide your clients into several groups and manage the meters easily.

● Alarm when low energy/overload/fraud. Overload indicator function

● Memorize function. The meter will keep data or get recovery when being powered on/off automatically. It will not lose the historical data if there is a power outage.

● Low power alarm function. The indicator light will flash when the balance electric amount is equal to the warning level, to remind users to buy electricity timely.

● Automatically trip when the balance power quantity is “0”, and automatically power on after the electricity bill is purchased and send credit into meter.

● Data write-back function. Easy for management of power sector.

● Perfect interface protection. high quality ABS material, has excellent flame retardant, anti-corrosion, heat and cold resistant.

● Long service life and reliable accuracy. Enhanced 8052MCU core, integrated AFE and RTC models to make the data reliable.

Specification

Name: Single phase RF card prepaid electric meter

Rated current: 5(20)A; 5(40)A; 5(60)A; 10(40)A; 10(60)A; 15(60)A

Pulse frequency: 3200 imp/kWh; 3200 imp/kWh; 800 imp/kWh; 3200 imp/kWh; 800 imp/kWh; 800 imp/kWh

Reference voltage: 180V-265V

Accuracy: Class 2.0

Rated frequency: 50Hz/60Hz

Meter consumption: < 1.0 W

Item size: 136 * 109 * 60 mm/ 5.35 * 4.29 * 2.36 in

Life time: > 10 years

Application

Our single-phase RF card prepaid energy meter could be used in home, hotel, apartment, building, school, factory, etc.

http://www.wirelessmartsystems.com/