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Product Details

Product Introduction

Energy monitor system multifunction power meter lcd display multimeter

SFERE720 is equipped with electrical variable measurement, energy metering and power quality analysis functions. SFERE720 also can be extended with I/O modules for monitoring and controlling equipment at field, realizing system integration with different smart electricity distribution system and energy anagement system, and sharing monitoring data and energy data.

Product Paramenters

Accuracy	Voltage and current			0.2%
	Power,Power Factor			0.2%
	Frequency			±0.01Hz
	Active power			IEC62053-22/IEC61557-12, class 0.2S
	Reactive power			IEC62053-23, class 2
Data update rate					1s
Input	Wiring mode			1P2W、3P3W、3P4W
	Voltage	Rated value	400 VAC L-N (690 VAC L-L)
		Overload	1.2Vln
		Impedance	>1MΩ
	Current	Rated value	1A or 5A
		Overload	Continuous: 1.2In
			Instantaneous: 10In/5s
		burden	<0.1VA
		Rated value	<20mΩ
	Grid frequency			(45～65)Hz
Auxiliary supply	Working range			AC/DC（80～270）V
	consumption			≤ 10VA
Energy pulse output					1 photocouple outputs, pulse width (80±20%) ms
Digital input					AC220V input, isolation：2000VAC
Relay output					Contact rated at AC 250V/5A or DC 30V/5A
					Isolation： 2500VAC
Communications
RS485 port					Modbus-RTU , 2-wire,up to 38400bps
Mechanical Characteristics
IP index	IP65（front panel）and IP20（meter body）
Dimensions	96×96×55mm
Environmental Characteristics
Operating temperature					(-10～60)℃
Storage temperature					(-25～70)℃
Relative humidity					(5～95)% (no gel)
Insulation					IEC 61010-1
Electromagnetic Compatibility
Immunity to electrostatic discharge					IEC 61000-4-2-Level III
Immunity to radio-frequency field					IEC 61000-4-3- Level III
Immunity to electrical fast transients/bursts					IEC 61000-4-4- Level Ⅳ
Immunity to impulse waves					IEC 61000-4-5- Level Ⅳ
Immunity to conducted disturbances					IEC 61000-4-6- Level III
Immunity to power frequency magnetic fields					IEC 61000-4-8- Level III
Immunity to voltage dips and short interruptions					IEC 61000-4-11- Level III
Module
FM1					2 AC digital input
FM2					4 digital inputs
FM3					2 relay outputs
FM4					2 analog inputs：mA
FM5					2 analog inputs：PT100
FM6					2 analog outputs：mA
FM7					RJ45, Modbus/TCP
FM8					DB9, Profibus-DP
FM9					WIFI: Modbus/TCP
FM10					GPRS: Modbus/TCP, SMS
FM11					RS485, Modbus-RTU
FM12					M-Bus communication
FM13					BACnet/MSTP communication
FM14					BACnet/IP communication
FM15					RS232, Modbus-RTU

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