ZHURUI
Shenzhen Zhurui Technology Co.,Ltd.
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Function list
Function
Function
Function
Power measure
●
Display date and time
●
2 special timers
○
Voltage measure
●
5 date formats
●
7 common timers
○
Current measure
●
Display historic data
●
Time can be set
●
Power Factor measure
●
Historic data of
year chart
●
Alarm function
●
Frequency measure
●
Historic data of year list
●
Output protection function
○
Total energy
●
Historic data of month chart
●
Three states can be chosen when
power on
○
Total electricity fees
●
Historic data of month list
●
Screen can be off when no touching
●
Total elapsing of time
●
Tariff can be set
●
The records can be cleared
●
One-shot energy
●
Support time-sharing tariff
●
Total electricity can be cleared
●
One-shot electricity fees
●
Support stage tariff
●
Factory reset
●
One-shot elapsing of time
●
23 currency units
●
Chinese/English can be switched
●
●
has the function
○
only external relay version has the function
The model of this monitor
EM20-ER
Energy Monitor
External relay or not
Blank: No external relay
ER: With external relay
Technical Index
Electrical Parameters
Parameter
Measuring range
Resolution
Measuring Accuracy
Voltage
AC85~265V
[1]
0.1V
±
(0.5FS+0.5V)
CT: 40A
1000:1
Power
0.5W~10kW
[2]
0.1W
[3]
±
(0.5FS+0.5W)
[3]
Current 0.01~40A
[1]
0.001A
±
(0.5FS+0.003A)
CT: 60A
1000:1
Power
0.5W~15kW
[2]
0.1W
[3]
±
(0.5FS+0.5W)
[3]
Current 0.01~60A
[1]
0.001A
±
(0.5FS+0.003A)
CT: 80A
1000:1
Power
1W~20kW
[2]
0.1W
[3]
±
(0.5FS+1W)
[3]
Current 0.02~80A
[1]
0.001A
±
(0.5FS+0.005A)
CT:100A
2000:1
Power
1W~25kW
[2]
0.1W
[3]
±
(0.5FS+1W)
[3]
Current 0.02~100A
[1]
0.001A
±
(0.5FS+0.005A)
CT:120A
2000:1
[6]
Power
1W~30kW
[2]
0.1W
[3]
±
(0.5FS+1W)
[3]
Current 0.02~120A
[1]
0.001
A
±
(0.5FS+0.005A)
Power Factor
0~1.000
0.001
±
(0.5FS+0.005)
Frequency
45~65HZ
0.1HZ
±
(0.5FS+0.1HZ
Electricity fees
0~999999
0.01
[4]
±
(0.5FS+0.01)
[4]
Electricity
0~999999kWh
0.0001kWh
[5]
±
(0.5FS+0.0001kWh)
[5]
Note: [1]. Voltage and Current are True RMS value.
[2]. Power is active power.
[3]. When the power <1000W, the resolution is 0.1W, when the power >=1kW, the resolution is 0.001kW, when the power >10kW, the resolution