Name

Grade

Active current specification

Reactive current specification

Recommended Constants (imp/kWh imp/wvaeh)

Single-phase intelligent electric energy meter (switch built-in)

Active: Grade A

Reactive: Class 2

220V,0.25-0.5(60)A

0.5(60)A

2000

Single-phase intelligent electric energy meter (external switch)

Active: Grade A

Reactive: Class 2

220V,0.25-0.5(80)A

0.5(80)A

2000

Name

Combined active, forward active, reverse active

Combined reactive, with separate metering for all four reactive quadrants

Timing freezing, instantaneous freezing, agreed freezing of electricity

Freezing on the hour, freezing on the day and freezing on the month

Electricity for 24 settlement days on storage

Support 4 decimal high precision power

Measurement and monitoring

Voltage, current, reactive power, frequency and other instantaneous quantity detection

Multi-rate

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

Clock temperature compensation

Event Logging

Zero clearing record, programming record, clock setting record, broadcast timing record, switch-off record, switch-on record, meter cover opening record, overcurrent record, pressure loss record, load switch misoperation record, key update record, ladder table programming record, time table programming record, active combination mode programming record, reactive combination mode programming record, event zero clearing record, power failure record, zero line current anomaly record, clock fault record, metering chip fault record, power abnormal record, clock battery undervoltage record, clock battery replacement, communication module replacement record, communication module abnormal record, low voltage record, high voltage record

Communication and Pulse

RS485, Infrared, Bluetooth

Carrier, micro-power wireless, dual-mode communication module optional

Active LED pulse and switch indicator

Pull-on

Remote switch-on (optional with built-in relay/external relay)

Other

Battery can be replaced

Project

Indicators

Voltage measurement range

0.6Unom~1.3Unom

Current measurement range

0.2ltr ~ 1.2lmax

Power measurement range

PQ (starting power) ~ 1.3 Unomx1.2lmax

Frequency measurement range

47.5Hz ~ 52.5Hz

Reference frequency

50Hz

Clock accuracy

≤ ± 5S/24h(23 ℃)≤ ± 1s/24h(-25 ℃ ~ +70 ℃)

Voltage line power consumption

Without module: active power ≤ 1.5W, apparent power ≤ 6VA;

With module: active power ≤ 2W, apparent power ≤ 8VA;

Current apparent power consumption

≤ 1VA

Weight

> 0.7kg