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China High Quality Electrical Circuit Breaker Tester Exporters – GDSL-A Seriese Automatic Primary Current Injection Test Set – HV Hipot
Features ● Built-in high configuration industrial control computer, the programmable logic controller (PLC) as the central processor, real-time scan of AC signal, to achieve comprehensive monitoring and closed-loop control, and design password settings management, only the personnel who gets corresponding operation authority, can carry out operation of certain functions. ● Color LCD touch screen. Using intelligent sensor based on field bus technology and realize the full digital data transmission, display operation unit is touch type color LCD screen, full English menu, the interface is clear and intuitive, the operation is simple and convenient. Test without any auxiliary equipment, automatic control, fast, simple and convenient. ● Automatic and manual test mode, with automatic cons... -
OEM Best Surge Voltage Test Manufacturer – GDCL-10kA Impulse Current Generator – HV Hipot
Working Environment ● Environmental temperature: -10℃ to 40℃ ● Related humidity: ≤ 85% RH ● Altitude: ≤ 1000m ● Indoor use ● No conductive dust, no fire or explosive danger, no corrosive metal or insulation gas. ● Power voltage waveform is sine wave, distortion rate <5% ● Earth resistance is no more than 1Ω. Applied Standard IEC60099-4: 2014 Surge Arresters-Part 4: Metal-oxide surge arresters without gaps for a.c. systems. GB311.1-1997 Insulation coordination of HV Power transmission and transformation. IEC 60060-1 High Voltage Testing Technique- General Testing Requirement. IEC 60060-2 High Voltage Testing Technique- Measurement System. GB/T16896.1-1997 Digital Recorder of High Voltage Impulse Test. DLT992-2006 Implementing Rules for Impulse Voltage Measurement. DL/T613-1997 T... -
OEM Best Ac Hipot Test Set Factories – DC High Voltage Generator GDZG-300 – HV Hipot
Features ● Simple operation and complete function, easy for wild work. ● Higher voltage stability, smaller ripple coefficient. ● More reliable and stable, continuous short-circuit discharge directly to ground. ● Intelligent grounding protection and alarm function. High precision, accurate measurement, digital display of voltmeter and ammeter, with voltage resolution 0.1kV, and current 0.1uA. ● High stability of voltage regulation, smooth voltage boosting process, high adjustable precision, with coarse and fine adjustment functions. Accuracy of voltage regulation better than 0.1%, voltage and current measurement error is less than 1.0%, ripple factor better than 0.5%. ● With function of high-accuracy 75%VDC-1mA, more convenient for zinc oxide lighting arrester DC testing. ● HV booste... -
China High Quality relay test set alibaba Factories – GDJB-II SECONDARY CURRENT INJECTION TEST SET – HV Hipot
Features A. Working conditions 1. Power supply: AC 220V±10%,50Hz 2. Working environment: Temperature -10℃~40℃; Humidity: ≤85% 3. Atmosphere: 86-106kPa B. Output power supply 1. AC voltage: 0-220V/3A Adjustable 2. AC current: 0-100A/7V (200A can be customized); 0-20A/25V Adjustable; 0-5A/5V Adjustable 3. DC voltage: 0-220V/3A Adjustable 4. DC current:0-20A/25V 5. Fixed voltage output: DC 24V/48V/110V/220V 6. Current/Voltage accuracy: ±1%. C. Performance Index 1. Ammeter and voltmeter: 41/2 digit. 2. Digital millisecond meter: 0-99.9999s(999.999s can be customized) Resolution: 0.1ms. D. Functions 1. Measure relay: Measure start value, return value and drop-off to pick-up ratio of current, voltage relay. 2. Time relay: Measure start value, return value and action time. 3. Intermed... -
China High Quality Cable Identifier Manufacturer – GD-2136H Cable Fault Locating System – HV Hipot
GD2136H Cable Fault system is 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-2132 Cable Fault Locator 3. GD-2133 Cable Fault Tester 4. 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-2133 Cable Fault Tester, there are two locating ways: a. Low voltage pulse: If only using GD-2133, open circ... -
China High Quality dew point analyser manufacturer Supplier – 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... -
China High Quality Sf6 Analyzer Manufacturers – GDWG-III SF6 Gas Leakage Detector – HV Hipot
Product Description GDWG-III SF6 gas leakage detector, with non-dispersed infrared (NDIR) technology, is mainly used to pinpoint and measure SF6 leakage on GIS and refilling equipment within power industry. The annual leakage rate of SF6 gas electrical equipment is measured with bandaging method. At the same time, the equipment is widely used in power supply bureau, substations, high voltage switch company, laboratory hood and scientific test. Application ● High voltage switchgear ● Helicopter rotor blades ● Gas transmission system ● Fire extinguisher ● Ventilation rate study ● Hazardous material ● Tank Advantages ● No radioactive risk. ● No need to replace high purity argon gas regularly. ● No need to replace sensor regularly, cost-effective. ● No need to make linear calibrati... -
OEM Best megger insulation test on you tube Exporters – Dielectric Loss Tester for Live Capacitive Equipment GDDJ-HVC – HV Hipot
General Information There are usually two ways to monitor the insulation condition of high voltage electrical equipment in substations: online monitoring and live (portable) online detection. The former one can obtain the characteristic parameters reflecting the abnormal insulation of the equipment at any time, which is convenient for automatic management. However, the investment is relatively large, the installation and construction are relatively troublesome, and regular maintenance is needed. For the latter, it has the advantages of low investment, highly targeted, easy to install, maintain and update. If the sampling unit is installed in the electrical equipment in advance, a regular detection can be done for electrical equipment in operation, and insulation flaw can be found in ... -
China High Quality Capacitor In Transformer Manufacturer – VLF AC Hipot Test Set 80kV – HV Hipot
Withstand voltage test is an essential preventive test for electrical equipment. It is divided into two parts: AC and DC withstand voltage test. AC test can be further divided into power frequency, variable frequency and 0.1Hz very low frequency test, among which the last one is highly recommended by IEC, due to its remarkable advantages. Following is a comparison for DC, Power Frequency, Variable Frequency, and 0.1Hz test. Aspects DC Power Frequency Variable Frequency 0.1Hz Equivalency poor good good good Insulation Damage strong slight slight slight Operation Safety relatively low relatively low relatively low high Wiring Difficulty complicated complicated most complicated simple Volume smallest largest large smal... -
China High Quality lubricant oil acid test Supplier – GDW-106 Oil Dew Point Tester User’s Guide – HV Hipot
Caution ● The following instructions are used by qualified person to avoid electrical shock. Do not perform any service beyond operation instructions unless you are qualified to do so. ● Don’t operate this device in flammable and moist environment. Keep the surface clean and dry. ● Please make sure the equipment is upright before opening. Don’t drop equipment heavily avoid equipment movement damage. ● Place the equipment in dry, clean, ventilated area free from corrosive gas. Stacking equipment without transit containers is dangerous. ● Panel should be upright during storage. Elevate stored items to protect from moisture. ● Don’t disassemble the instrument without permission, which will affect the warranty of the product. The factory is not responsible for self-dism... -
China High Quality 100 Kv Capacitor Supplier – AC Inductance Resonance Test System for CVT – HV Hipot
GDTL AC Resonant Test System for CVT is series resonance with power frequency specially for CVT. It is smaller size and more lighter weight than traditional device, meet various CVT inspection requirements of voltage with 35kV, 66kV, 110kV, 220kV, 330kV, 500kV. According to customer’s requirement, the reactor can be divided into fixed and adjustable reactor. Features ● Small size, light weight, simple wiring. ● Dry or Oil type reactor, high mechanical strength, good insulation, high reliability. ● Large capacity margin, good output waveform, easy to operate. ● Fully protection function: zero protection, over-voltage protection, over-current protect functions. -
OEM Best Underground Cable Fault Locator Equipment Manufacturer – 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...