STS keypad prepayment energy meter

Basic Technical Specification

Single phase key-pad prepayment meter

Standards

l  IEC62055-41, IEC62055-31

IEC62053-21

SPLN D3.009-1:2010

Connection

l  I Phase 2 Wire with Maximum 80A Disconnect Switch

Measured Energy Values

l  Accuracy: Class 1 / Class 2

l  Import/Export WH

l  Absolute WH

l  W, V_RMS, I_RMS,Fundamental V,I

l  Power Factor

l  Frequency

l  Phase Angles

Voltage &Power Supply

l  Nominal Voltage:220V/ 230V(±20%))

l  Operating Range: 0-253V(418V for 1h without )

l  Frequency Range: 50Hz/60Hz

Current

l  Nominal Rate(Base(Max)): 5/60A,5/100A,10/100A, 20/80A,20/100A,30/120A

l  Burden: less than 0.5VA/phase

Prepayment

l  Credit or Debit Operation

l  Energy or Currency Based

l  Multiple Energy Sources

l  Minimum Charges &Emergency Credit

l  Configuring Warnings &Indicators

Environmental

l  Operating Range: -25℃~+55℃

l  Limit Range: -40℃~+70℃

l  Relative Humidity: Up to 75% mean, 95% non-condensing for 30 days

Time Clock &Calendar

l  Accuracy (internal) within 15 Seconds per Month at 23℃

l  Backup Time of 10 Years without Power(Lithium Battery)

l  Internal Crystal Timing

LCD Display

l  Large 7-Segment Display

l  6 integral with 2 decimal or 5 with 3(programmable)

l  Programmable units, multipliers and leading zeros

l  Up to 64 user definable screen displays

l  Displays any available meter parameter

Security

l  Multi-level Security(Username &Password including Encrypted Log-in)

l  Up to 3 Independent Security Levels

l  Up to 3 Individual Users

Tamper Detection& Alarms

l  Provision for Sealing with Lead Seals

l  Bypassing &Reverse Current

l  Advanced Tamper Detection and Logging

l  Pre-programmed Alarms for Meter Self-check

l  Alarms Trigger LEDs, Relay Outputs or Communication Events

l  Alarms are Stored in Event Logs

Communications

l  IR Port

l  RS485

l  IEC61107

Software

l   Wisdom Software Available for Meter Programming &Reading(Windows 7/Vista/XP/2000)

[Content in LCD Display]