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China High Quality earth resistivity measurment of electrical sub station Factories – Online Insulation Monitoring Device for DC System – HV Hipot

China High Quality earth resistivity measurment of electrical sub station Factories – Online Insulation Monitoring Device for DC System – HV Hipot

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  • China High Quality earth resistivity measurment of electrical sub station Factories – Online Insulation Monitoring Device for DC System – HV Hipot

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We take "customer-friendly, quality-oriented, integrative, innovative" as objectives. "Truth and honesty" is our administration ideal for Low Capacitance Measurement Circuit, Online Partial Discharge Testing, Power Factor Meter, In a word, when you choose us, you choose a ideal life. Welcome to go to our manufacturing unit and welcome your get! For further more inquiries, remember to usually do not be reluctant to get in touch with us.
China High Quality earth resistivity measurment of electrical sub station Factories – 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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China High Quality earth resistivity measurment of electrical sub station Factories – Online Insulation Monitoring Device for DC System – HV Hipot detail pictures

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Innovation, excellent and reliability are the core values of our company. These principles today much more than ever form the basis of our success as an internationally active mid-size business for China High Quality earth resistivity measurment of electrical sub station Factories – Online Insulation Monitoring Device for DC System – HV Hipot , The product will supply to all over the world, such as: Los Angeles, Georgia, Poland, We will supply much better products with diversified designs and professional services. We sincerely welcome friends from over the world to visit our company and cooperate with us on the basis of long-term and mutual benefits.
    • Although we are a small company, we are also respected. Reliable quality, sincere service and good credit, we are honored to be able to work with you!
    5 Stars By Honorio from Manila - 2017.10.23 10:29
    The company account manager has a wealth of industry knowledge and experience, he could provide appropriate program according our needs and speak English fluently.
    5 Stars By Honorio from Brisbane - 2018.11.28 16:25

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