China China High Quality low cost insulation tester Manufacturers – Online Insulation Monitoring Device for DC System – HV Hipot Manufacture and Factory

China High Quality low cost insulation tester Manufacturers – Online Insulation Monitoring Device for DC System – HV Hipot

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China High Quality low cost insulation tester Manufacturers – Online Insulation Monitoring Device for DC System – HV Hipot Detail:

General Information

GDF-5000/OL Online Insulation Monitoring Device for DC System is used for real-time online monitoring of insulation status of DC bus and branch. This device adopts the detection method of DC balanced resistance. It does not produce any AC or DC interference signal to busbar, and will not cause the artificial insulation resistance drop. It is suitable for power plants and substations of any voltage level.

GDF-5000/OL’s unique stability and anti-distributed capacitance make it more suitable for bus system under complex working conditions, standard instrument structure, compact size, convenient installation and better applicability.

GDF-5000/OL has LCD display, full software function control, perfect man-machine interface, easy operation and use.

Features

● Modular international standard industrial controller structure, standard shell, small size and light weight, easy installation and maintenance;
● Single/double bus up to 64 loop monitoring, DC balanced resistance detection method, no bus interference;
● Branch fast detection, inspection time is less than 20 seconds;
● The measured results are not related to bus distributed capacitance;
● Automatic/manual inspection of branches;
● The configuration of DC leakage current sensor is flexible and convenient.
● Isolated RS-485 communication interface, MODBUS/Emerson communication protocol is fully compatible;
● Industrial operating temperature range;

Specification

Parameters	Symbol	Test condition	Min.	Typical	Max.	Unit
Input voltage grade	Vin			24, 48, 110, 220		V
Input voltage range	Vf		80%Vin		140%Vin	V
Voltage measurement accuracy		Vin=Vf			±0.5%
Bus resistance range	Rm	Vin=Vf	0		999	KΩ
Bus resistance accuracy					±5%
Branch resistance range	Rz	Vin=Vf	0.0		100.0	KΩ
Branch resistance accuracy					±5%
Branch numbers of each segment	N		0		64
Rated power consumption	Po			3		W
Operating temperature range	Tj		-10		50	℃
Alarm contact capacity	Pf	DC, no sense			220V 0.2A

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We know that we only thrive if we can guarantee our combined rate competiveness and good quality advantageous at the same time for China High Quality low cost insulation tester Manufacturers – Online Insulation Monitoring Device for DC System – HV Hipot , The product will supply to all over the world, such as: Puerto Rico, Oman, Gabon, Our well-equipped facilities and excellent quality control throughout all stages of production enable us to guarantee total customer satisfaction. If you are interested in any of our products or would like to discuss a custom order, please feel free to contact me. We are looking forward to forming successful business relationship with new clients around the world.

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