Rail Type Dual Phase Meter

• Customization: Available
• After-sales Service: Two Years
• Warranty: Two Years
• Model NO.: LINK812C
• Display: Digital
• Installation: Direct Connected
• Usage: Multi-Functional Energy Meter, Meter for Industry and Home Use, Prepayment Meter
• Electric Equipment: Three-phase Four-wire
• Theory: Electric Apparatus
• Measured Signal: Continuous Wave
• Type: Power Meter
• Certification: ISO
• Customized: Customized
• Trademark: Linkelec
• Origin: Made in China
• Production Capacity: 20000 Per Month

Product Description

Rail type dual phase meter

1.Product Introduction
This product is mainly used in the field of electricity information collection for three-phase power networks with frequencies ranging from 45 to 65Hz. It can measure all electrical parameters in the power grid and exchange data with the upper computer through communication. Users can set the internal parameters of the product according to the actual situation on site, which is convenient to use, easy to operate, and has high accuracy; Widely used in various power ubiquitous IoT usage scenarios.
It can achieve high-precision measurement and metrology to meet measurement and other applications. Adopting standard DIN35mm rail installation and modular structural design, it can be easily installed inside the distribution box. Users can easily switch displays and set parameters on-site, making it flexible and convenient to use. It can directly replace conventional power transmitters and other auxiliary units as an advanced intelligent digital power grid front-end acquisition component, widely used in various control systems, substation automation systems, and distribution automation systems. It has the characteristics of easy installation, simple wiring, convenient maintenance, and small engineering quantity, and can flexibly network with various communication software.

 

2.Technical parameter

Performance point	Performance index
input voltage	rated voltage	220V AC
	frequency range	45~65Hz
	overload capacity	1.2Un (continuous); 2Un (10s allowed)
	measuring range	0.5 Un~1.2Un
	Power consumption	< 0.3VA per loop
incoming current	rated current	5(60)A
	overload capacity	1.2In (continuous); 20In (1s allowed)
	measuring range	0~1.2Imax, and the threshold value is 50mA.
	Power consumption	< 0.5VA per loop
working power supply	Operating voltage range	0.7 Un~1.2 Un
	Power consumption	<2.5W,5VA
Internal relay	Maximum switching current	80A
communication interface	Interface form	Half duplex, optical isolation, RS485 interface
	Address range	1~247
	protocol	Modbus-RTU
	Communication baud rate	2400~19200bps, the default is 9600bps.
environmental conditions	Working temperature	-20ºC~70ºC
	storage temperature	-40ºC~70ºC
	Working humidity	0 ~ 95% does not condense.
	atmospheric pressure	86kPa~106kPa
mechanical character	vibrate	GB/T 11287 severity level 1
	lash	GB/T 14537 severity level 1
	collide	GB/T 14537 severity level 1
Electromagnetic compatibility performance	Radio frequency electromagnetic field immunity test	GB/T 17626.3-2006 Severity Grade 3
	Electrical fast transient test	GB/T 17626.4-2008 Severity Grade 4
	Attenuated oscillation wave immunity test	Severity grade 3-12-1998
	Electrostatic discharge test	GB/T 17626.2-2006 Severity Grade 4
	Surge immunity	GB/T 17626.5-2008 Severity Grade 4
	Radio frequency conduction immunity	GB/T 17626.6-2008 Severity Grade 3
	radio disturbance	GB/T 17215.211-2006 7.5.8 Class B Equipment
	Interference degree of power frequency magnetic field	GB/T 17626.8-2006 Severity Grade 3
Electrical insulation performance	insulance	GBT 13729-2002, not less than 100MΩ.
	dielectric strength	GB/T 13729-2002, power frequency voltage 2kV, 1 minute.
	surging	GB/T 13729-2002,1.2/50μs,5kV

 

3.Selection specifications

functional module	S/N	Function point	Function Point Description	LINK812C
				Single-phase rail prepayment meter
real-time measurement	1	Voltage	Phase voltage: U	√
	2	electric current	Phase current: IA, IB	√
	3	Active power	Active power: PA, PB, P	√
	4	Reactive power	Reactive power: QA, QB, Q	√
	5	Apparent power	Apparent power: SA, SB, S	√
	6	power factor	Power factor: PFA, PFB, PF	√
	7	frequency	System frequency: f	√
Electricity metering	8	Active kilowatt hour	Bidirectional active energy of each loop	√
	9	Reactive kilowatt hour	Bidirectional reactive energy of each loop	√
Multiple rate	10	time zone	Supports up to 4 time zones.	-
	11	time interval	Up to 4 daily time slots are supported, and each daily time slot supports up to 8 time slots.
	12	rate	Up to four rates, namely, peak, flat and valley, are supported.
	13	Multiple rate kilowatt hour	Forward/reverse active complex rate electricity
Prepayment	14	call the	Prepayment has an alarm function, and the alarm threshold can be set. When the remaining amount/power is less than or equal to the threshold, an alarm will be given to remind users to recharge in time.	√
	15	get credit	Can realize credit function, credit threshold can be set.	√
frozen	16	Monthly freeze	The freezing day of the month can be set from 1 to 28, and the electric energy of this month can be automatically recorded at the zero point of the setting day of each month, which can be recorded for 12 consecutive months.	-
	17	Daily freeze	This month's electric energy can be automatically recorded at 0: 00 every day, which can record the recent 90 days' electric energy continuously.	-
Telesignalling	18	Over limit alarm	Remote communication state with 8-level out-of-limit alarm	-
	19	Prepaid status	Alarm status such as insufficient balance and no balance.	√
Malignant load	20	Malignant load identification	Total current limit, total power limit, single load power limit and malignant load limit can be realized.	√
exceed the time limit	21	Over limit alarm	8-level over-limit alarm function, which can monitor power parameters and remote signal volume, generate an alarm when conditions are met, and can be linked with the exit of the alarm.	○
Event record	22	SOE record	It has 64 SOE recording functions, including remote control, recharge and other records, and records with time scales.	√
	23	Record of maximum value	The maximum and minimum values of relevant parameters (voltage, current, active power, reactive power, apparent power, power factor and frequency) can be counted in real time, and recorded with time scales.	○
Clock	24	Clock	Accurate clock with hardware	√
Input and output	25	Built in relay	Optional built-in relay to realize opening and closing.	√
	26	Pulse output	With active energy pulse output port, used for accuracy detection of electric energy meter.	√
communication interface	27	RS485 communication	1 RS485 communication, supporting MODBUS-RTU protocol; Support online upgrade program through RS485 interface.	√
	28	NB Communication	Support NB communication mode	○
	29	telecommunications	Support wireless communication and MODBUS-RTU protocol.	○

4.Product perforation and installation diagram

5.About our service :                  
*  We could provide 7* 24-hour phone call after-sales service. 
*  We provide a 2-year guarantee time and will change the meter for you within 1 year if there's something wrong with the product. Except for natural disasters or man-made reasons.
*  Recommend the most advanced application technology and management model in the industry to customers, and provide customers with detailed solutions.

6.Delivery Diagram