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China High Quality partial discharge test report Manufacturer – Partial Discharge Online Monitoring System of GIS – HV Hipot
General Information Gas-insulated metal-enclosed switches (GIS) and gas-insulated metal-enclosed transmission lines (GIL) are one of the most important devices in the power system. They have the dual tasks of control and protection. If they failed during operation and the problem cannot be solved timely,it will cause serious damage to the grid. Partial discharge fault is a common fault type of GIL/GIS. It is necessary to use GIS partial discharge online monitoring and fault location system to perform real-time online monitoring of GIL/GIS partial discharge signals and analyze and process the measured data and real time give comprehensive judgment of insulation status. Then repair schedule can be arranged according to the monitoring results to avoid major grid accidents caused by equi... -
China High Quality closed cup flash point Suppliers – GDBS-305 Automatic Flash Point Closed Cup Tester – HV Hipot
General Information GDBS-305 automatic closed cup flash point tester is the device testing closed cup flash point for petroleum products. It use module design which one host can control several testing furnace, to test different samples at the same time or separately. The testing furnace port can be connected to the host disorderly. It widely used in the field of railway, air company, power, petroleum and research department. Features ● 320*240 TFT LCD screen. ● With high speed signal processor control, reliable and high accuracy. ● One host can control several test furnace to test several samples at one time, which will save testing time. ● Automatic ignition with no gas source ignition mode. ● Built-in atmosphere pressure sensor, auto-measure and calibrate result. ● Self-adapti... -
OEM Best Cable Fault Locating Suppliers – GD-7018A Optical Fiber Identifier – HV Hipot
The GD-7018 series optical fiber pipeline identifier can accurately locate and meaure depth of the underground pipelines, cables and optical cables under the condition of without digging, and accurately find the damage points of the outer coating of the underground pipelines and the location of the underground cable fault points. The instrument incorporates the most advanced technologies such as ultra-narrow band filter, Bluetooth wireless communication, GPS positioning, automatic data mapping by professional data analysis software and automatic generation of test reports. The detection and inspection of various kinds of metal pipelines, pipeline management and maintenance, municipal planning and construction, pipeline inspection in power supply and other departments is one of the neces... -
OEM Best result of closed cup testing Factory – GDND-800 Freezing Point Tester – HV Hipot
General Information 1. Transformer oil freezing point tester has the characteristics of exquisite structural design and unique manufacturing process. It conforms to GB/T 3535 and GB/T510 standards and is used to determine the pour point of petroleum products. 2. This instrument adopts compressor refrigeration technology to save energy, simple operation and long service life. Its main technical indicators such as cooling rate and cooling capacity have surpassed similar foreign products. Working conditions 1. The instrument should be placed on a flat and stable workbench, and air convection should be minimized in the environment. 2. This product may involve flammable materials when used. It is not allowed to have an open flame (or a device that produces spark) close to it during op... -
China High Quality measuring for insulation rasistance the best choice would be Factories – GDF-3000A DC System Earth Fault Detector – HV Hipot
General Information DC system insulation faults, DC mutual faults and AC power failures are faults that are prone to occur and are harmful to the power system, and endanger the normal operation of the power system. In order to better help field maintenance personnel to quickly and accurately find DC faults, our company has developed a DC fault finder by years of efforts and summing up a large number of field experiences. The DC grounding finder uses a high-precision current clamp meter to detect and locate faults using the DC current difference in the fault loop. The fast FFT transform technology is introduced into the DC fault finding device, to detect various types of insulation faults, DC mutual faults, and AC power failures in DC systems with different voltage level (24V (optiona... -
OEM Best tensile testing machine price list Factory – GDC-9560B Power System Insulation Oil Gas Chromatograph Analyzer – HV Hipot
General Information GDC-9560B Gas Chromatograph Analyzer is to analyze the gas content of insulation oil by gas chromatographic method. It is effective to judge if the running equipment has potential fault like over-heat, discharge or not, to ensure the safety of power grid. It is also necessary to be used for manufacturer of gas/oil equipment to inspect their equipment before leaving factory. Gas chromatography analysis technology is a technique for separation and analysis of multi-component mixtures. It mainly uses the difference of boiling point, polarity and adsorption coefficient of each component in the sample in the column, so that the components are separated in the column, and the separated components are qualitatively and quantitatively analyzed. The gas chromatograph uses... -
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OEM Best Meter test kit Supplier – GDYB-S20 Three Phase Energy Meter Test System – HV Hipot
Product Description GDYB series Three Equal Potential Multi-function Electric Energy Meter Test System is well-developed third generation electronic programmable three phase electric energy meter multifunctional test system according to the latest national standards and regulations. Adopts insulated 0.01% high precision 1:1 current transformer technology, to achieve test of voltage inner connected shunt three phase meter. It is suitable for testing of various three phase electric energy meter of 0.2% and below (includes sinusoidal reactive power meter). It has good appearance, complete functions and excellent performance. System Reference Standard GB/T 11150-2001 Testing equipment for electrical energy meters (neq IEC 60736) JJG 307-2006 Electromechanical Meters for Measuring Alte... -
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China High Quality Cable Tube Locater Manufacturers – GD-4138H Cable Fault Locating System – HV Hipot
GD-4138H Mobile Cable Fault Locating System is important tool to maintain all kinds of cables. It is compatible equipment that can trace, locate the underground cables, with fault distance measurement and HV generation. As it is movable device, it is convenient to carry on-site. If acoustic locator is used together, it can locate accurate position of cable fault point. Application is underground cable, aerial cable, power cable, local cable, communication cable and fiber cable. Typical fault to be detected includes ● High impedance flash-over fault ● High impedance leak ● High/low resistive grounding ● Short-circuit fault ● Open-circuit fault ● Poor connection/Disconnection GD-4138L system includes ● GD-4138H main frame (Coupling device, Sphere gap, HV generator are inside) ● GD-... -
OEM Best Best Cable Locator Supplier – GD-4136H Cable Fault Locating System – HV Hipot
GD4136H Cable Fault system is an important tool to maintain all kinds of cables. It uses various detection way to test cable faults, which is suitable for different levels voltage power cables and communication cables. The system contains below units: 1.GD-2131H Impulse Generator 2.GD-4132 Cable Fault Locator 3.GD-4133 Multi-pulse Cable Fault Detector 4.GD-4133S Multi-pulse Coupler 5.Other accessories GD-2131H Impulse Generator It’s used to generate HV impulse when using impulse flashover method to detect high impedance fault. Features ● Strong burning ability, max.burning power is 1000W, breakdown point can be burned in short time and the resistance of breakdown point is decreased. ● If working together with GD-4133 Cable Fault Tester, there are two locating ways: a. Low vol... -
China High Quality Insulator detector Manufacturer – GDYZ-302W Metal Oxide Arrester (MOA) Tester – HV Hipot
Features 1) Leakage current, AC current Range Resolution Accuracy 0.000mA～1mA 1uA ±1%rdg±8dgt 1.00mA～10.00mA 0.01mA 10.0mA～100.0mA 0.1mA 100mA～300mA 1mA 2) High-order harmonic current (fundamental wave current, third harmonic current) Minimum fundamental wave input current Above 3% of each range Accuracy 1%rdg±8dgt (± AC current accuracy) Specification Function By testing the full current of the zinc oxide arrester, it can be judged online whether the zinc oxide arrester is deteriorated, and it can also be used as an ultra-precision clamp-on leakage current meter. Power supply Host: DC 7.4V 2000mAh rechargeable lithium battery, the battery is about 8.4V fully chargedDetector: DC 7.4V 2600mAh recharge...
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