Application

Each performance index of DTSY1531 and DSSY1531 series single-phase electronic prepaid watt-hour meter conforms to standard gb/T1 84 60 .3-200 1 Prepaid Watt-h our Meters , and all technical requirements for three-phase electronic watt-hour meters stipulated in standard GB/T17215-2 002 Alternating Current

Static Watt-hour Meters for Active Energy(Classes 1 and 2) .

Produce Specification

Main Technical data

1 .Reference frequency 50Hz

2 .Class index 1, 2

3 .Data protection ; Data stored time after power off:≥1Oy ears

4 . Output contact capacity of relay:AC 220V/10A

5 .Condition s of environment :

Specified working temperature: -20~45"C

Utmost working temperature:-25~60"C

Relative humidity: ≤85%

(at environmenta temperature 23"C)

There shall be harmful substances causin g corrosion in the air.

Main functions

1. Measure active electric energy, needn,t to be corrected after working along time .

2, Purchase electricity first, then use electricity ;

3, Alarm for lack of residual electricity

4, Record information of power utilization

5, One card is supplied for one user, which has fine 6, Display residual electricity, accumulate and alarm

8, Test pulse of electric energy output

Outline & installation size