DTZY188-Z Three-phase Four-wire Prepaid Smart Energy Meter

Electric energy

Electric energy metering

Function

Backlight, alarm, communication, programming, double rate, data display, power freezing, power failure wake-up, multi-level password management of broadcast time adjustment, multi-function detection

Output port, communication relay alarm signal output, auxiliary power supply

Event Logging

Voltage qualification rate record, undervoltage record, loss of voltage record, total loss of voltage record, phase failure record

Current interruption record, overload record, current loss record, current imbalance record, maximum demand record, overcurrent record

Voltage/current reverse phase sequence record, total power factor exceeding lower limit record, programming record, power-down record, timing record, complete event record, load curve record, meter reset record and demand reset record

Complete event record, event zero record, open table cover record, open button cover record

Communication and Pulse

RS485 communication, infrared communication, carrier module communication, wireless module communication

LED pulse, electrical pulse output, clock signal output

Accurate grade

Active power: Class B and Class C;

Reactive: Class 2

Nominal voltage

Direct access type: 3x20 0/380V

Access via transformer: 3x5.7/100V;3x100V

Current specifications

Direct access: 0.2-0.5(60)A;0.4-1(100)A

Connected via transformer: 0.015-0.075(6)A

Starting current

Grade B: 0.04ltr

Class C direct access type: 0.04ltr

Class C via transformer access type: 0.02ltr

Nominal frequency

50Hz

Ambient temperature

Reference temperature is 23 ℃

The specified working range:-25 ℃ ~ 55 ℃

Limit working range:-40 ℃ ~ 70 ℃

Storage and transportation conditions:-40 ℃ ~ 70 ℃

Relative humidity

45% to 75%

Communication Interface

1-way standard RS485, 1-way remote infrared interface, channels are independent of each other

Voltage line power consumption

Non-communication: active power ≤ 1.5W;

apparent power ≤ 6VA;

During communication, the active power of the voltage line shall be ≤ 8W.

Current Line Power Consumption

10ltr<10A:≤ 0.2VA;10ltr ≥ 10A:≤ 0.4VA

Clock accuracy

≤ ± 0. 5S/24h(23 ℃),≤ ± 1s/24h(-25 ℃ ~ +55 ℃)

Battery voltage

Clock battery: 3.6V; Stop battery: 6V

Design service life

≥ 16 years

Weight

About 1.7kg

Overall dimension

290mm (high) x170mm (wide) x85mm (thick)