Grade

Name

Active current specification

Reactive current specification

Recommended constant

(imp/kWh imp/wvaeh)

Active: Class B

Reactive: Class 2

3 x 220/380V

0.01-0.05(10)A

1(10)A

500

Active: Class C

Reactive: Class 2

3 x 220/380V

Active: Class B

Reactive: Class 2

3 x 220/380V

0.2-0.5(80)A

5(80)A

5000

Model

Description

Active Accuracy Class

DTZ188-Z/J/D

Three-phase electronic smart meter (carrier/wireless/dual-mode carrier)

Class B, Class C

Electric energy metering function

Combined active, forward active, reverse active

Combined reactive, with separate metering for all four reactive quadrants

Split-phase positive active energy, split-reverse active energy, split-phase combined reactive power 1 energy, split-phase combined reactive power 2 energy

Maximum demand recording function

Maximum demand, demand period, slip time

Timeshare Rate Function

Multi-rate metering (supports 12 rates, 14 time periods)

Clock temperature compensation

Measurement function

Each phase voltage, current, active power, reactive power, apparent power, power factor, phase angle, etc.

Charge freeze function

Instantaneous energy freezing, timed energy freezing, agreed energy freezing, daily energy freezing, hour freezing, monthly freezing

Display function

Automatic follow-up display, key display

Other

Electric energy meter reset, demand reset, automatic demand reset, event reset, time calibration function, alarm function, communication function, power failure wake-up function, backlight function, load curve recording function, event recording function, multi-function detection output function, control function, safety authentication function, power protection function), external module communication function

Normal operating voltage

0.78Un ~ 1.15Un

Limit working voltage

0.6Un ~ 1.3Un

Voltage line power consumption

Under non-communication condition: active power ≤ 1.5W; apparent power ≤ 6VA

Current Line Power Consumption

The apparent power consumption of the current line is ≤ 0.4VA.

Clock Battery Voltage

3.6V

Power failure meter reading battery voltage

6.0V