DTS541/DSS531 three-phase electronic energy meter adopts a three phase metering chip and active accumulative metering. Accuracy is 1. 0 or 2. 0 grade. Meanwhile, impulse output function can be applied to it. Its structure is solid and practical. It is equal to an active three-phase energy meter. functions include infrared, RS485 meter reading and display last month electricity of power consumption.

Basic parameters:
1) Accuracy class:
a) Active: class 0. 5S
b) Reactive: class 2
2) Reference frequency: 50Hz
3) Potential: with anti-potential logic design
4) Starting current:
a) Active: 0. 001In (transformer connected)
b) Reactive: 0. 003In
5) Service life: 10 years
6) Exterior dimensions: 178. 5 x 172 x 76mm
7) Installation dimensions: 241 x 150mm

Electric parameters:
1) Normal working voltage: 0. 7Un~1. 2Un
2) Voltage circuit power consumption: ¡Ü 1W

Tariff working parameters:
1) Battery accuracy: daily error less than 0. 5s (23ºC)
2) Battery capacity: ¡Ý 1, 000mAh
3) Data storing time after power break: > 10 years (using new battery)

Climatic conditions:
1) Normal working temperature: -20~+45ºC
2) Limit working temperature: -30~+60ºC
3) Storage and transport temperature: -40~+70ºC
4) Storage and transport humidity: ¡Ü 85%

Specifications:
1) Model: DTS541
a) Reference voltage: 3 x 57. 7/100V
b) Basic current (max. current): 1. 5(6)A, 3(6)A
2) Model: DSS531
a) Reference voltage: 3 x 100V
b) Basic current (max. current): 1. 5(6)A, 3(6)A
3) Model: DTS541
a) Reference voltage: 3 x 220/380V
b) Basic current (max. current): 1. 5(6)A, 3(6)A, 5(20)A, 10(40)A, 5(30)A, 15(60)A, 20(80)A, 30(100)A
4) Model: DSS531
a) Reference voltage: 3 x 380V
b) Basic current (max. current): 1. 5(6)A, 3(6)A, 5(20)A, 10(40)A, 5(30)A, 15(60)A, 20(80)A, 30(100)A