Electric Energy Meter

1.three-phase electricity energy meter 2.M-BUS protocol 3.Modbus available upon request 4.AMR solution available

Performance criteria:

Operating humidity	≤ 75%
Storage humidity	≤ 95%
Operating temperature	-10°C - +50°C
Storage temperature	-30°C - +70°C
International standard	IEC 62053-21
Accuracy class	1
Protection against penetration of dust and water IP51
Insulating encased meter of protective class

 

Meter  specifications:

Nominal voltage(Un)	230/400V AC (3~)
Operational voltage	161/279 – 300/520V AC (3~)
Insulation capabilities	- AC voltage withstand    2KV for 1 minute
Insulation capabilities	- Impulse voltage withstand    6KV – 1.2µS waveform

Basic current (Ib):

CT type	1.5A
Directly connect	10A

Maximum rated current (Imax)

CT type	6A
Directly connect	100A
Operational current range	0.4% Ib- Imax
Over current withstand	30Imax for 0.01s
Operational frequency range	50Hz ±10%
Internal power consumption	≤2W / 10VA  per phase

Test output flash rate (PULSE LED):

CT type	1600imp/kWh
Directly connect	400imp/kWh

Test pulse output rate (pins 8 & 9) :

CT type	1600imp/kWh
Directly connect	400imp/kWh

CT Changing-Ratio: 27 ratios to choose

Power supply indicator (Phase A,B &C LED)	Meter is connected and A/B/C voltage power on
Consumption indicator (PULSE &SO LED)	Flashing at load running
Communication indicator	Flashing at communication running
Data communication port	M-bus and far infrared(option)
Data save	The data can be stored more than 20 years when power off

    

M-bus communication specifications:

Bus type	M-bus
Baud rate	300,2400,9600(default),600,1200,4800,19200, 38400(option)
Rage	≤380m    250PCS  ≤3600m   64PCS
Downlink signal	Master to slave,Voltage modulation
Uplink signal	slave to master,Current modulation
Cable	JYSTY (n×2×0.8)
Protocol	EN13757-3

Electric Energy Meter