Specifications

DDSY1531 single-phase prepayment energy meter

PACKAGING & DELIVERY

 Packaging details :CARTON PACKED

 Delivery details :WITHIN 30 DAYS

PRODUCT DESCRIPTION

DDSY1531 single-phase prepayment energy meter   

    introduction

Each performance index of DDS1531 series single-phase electronic prepaid watt-hour meter conforms to standard GB/18460.3-2001 Prepaid Watt-hour Meters ,and all technical requirements for single phase electronic watt-hour meters stipulated in standard GB/T17215-2002 Alternating Current Static Watt-hour Meters for active Energy (Classes 1 and 2)

SPECIFICATION

 Main technical data

1. reference frequency : 50 HZ
2. Class index :1 and 2
3. data protection: data stored time after power off :more than 10 years
4. output contact capacity of relay: AC 220V/10A
5. Conditions of enviroment: Specified working temperature :-20°C~+45°C

                                 utmost working temperature 25°C~+60°C

6. relative humidity:≤85%(at the enviroment temperature 23 °C

7. there shall be n harmful subatance causing corrosion in the air