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US standard single phase three wire wifi energy meter 110VAC/100A

EEDS238-1 WIFI type multi-function smart energy meter is designed to measure single phase two wire AC active energy and variable parameter. The meter have WIFI communication , it can use APP for remote reading and control on/off. Its data communication rules obey the requirement of WIFI 802.11b/g/n. It is a long life meter with the advantage of high stability , high over load capability , low power loss and small volume .
  • EEDS238-1



The meter is manufactured complying with international standard IEC62052-11 on "Electricity metering equipment (AC) General requirements test and test conditions” and IEC62053-21 on “Static meters for active energy (classes 1 and 2).


Meter type


Rate frequency

50 or 60 Hz

Rated current

5(60)A  or  5(100)A  clamp CT

Rate voltage

120V / 220V / 230V /240V

Limits voltage range

90~300V (L-N)

kWh Accuracy

Class 1

R.M.S accuracy

Class 0.5

LCD display kWh

999999.9 kWh

Starting current

20mA  (min measure )

Voltage circuit



802.11b/g/n ,only support 2.4GHz network , not support 5GHz network

Operation temperature


Basic Features

1 Measuring positive & negative active energy with negative energy accumulated into positive energy,.

2 The meter also display  real voltage , real current , real active power;

3 Pulse LED indicates working of meter,Pulse output with optical coupling isolation;

4 Measuring active energy without calibration under long term operation;

5 Display step by step with button;

6 It can use APP software for data reading and remote control on/off;

7 Meter should used with AC contactor to control on/off;

8 it has timing control function , it can set value from APP.

Working principles

Single phase voltage and current are sampled from respective sampling circuit and transformed into suitable signal, which is carried into integrated circuit , then the meter output pulse signal in positive appropriation to measured power to drive LCD counter to realize energy measurement. The meter has energy pulse output for testing with pulse width of 80+20ms.


The meter consists of meter base , meter cover , terminal base , terminal cover . there are lead seal on meter cover  and terminal cover . A special screw is used to fix the terminal cover on which a lead seal can be installed.


USA/JAPAN usage single phase three wire 100A LCD display din rail kwh current voltage measure wifi energy meter

Wire connection

USA/JAPAN usage single phase three wire 100A LCD display din rail kwh current voltage measure wifi energy meter

L-N connect on AC Power, Relay connect on AC contactor.

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