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China High Quality megger insulation tester 1000v Suppliers – 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 Vlf Test Set Supplier – 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... -
OEM Best Capacitance Is Measured By Manufacturer – 30kVA.200kV Automatic AC.DC Hipot Test Set GDYD-2030A – HV Hipot
Features ● 7inch color LCD screen, with PLC automation control. ● HV Voltage, LV voltage, LC current measured at the same time, with high precision sensor and high-performance collection chip. ● Automatic mode and manual mode for option. ● Display HV voltage, LV voltage, LV current, time, and withstanding result. ● Over-voltage and over-current protection. Output voltage, HV current upper limit, LV current upper limit and timing can be set. ● Zero-starting function. Test can be proceeded after the voltage is back to zero. ● Store up to 8000pcs data in 3months. It has USB port to upload data to USB disk. ● When setting voltage is arrived, it will be timing automatically. After timing, voltage will be back to zero. ● When the LV current is over setting value, the voltage will be cut of... -
OEM Best Electrical Cable Testing Equipment Exporters – GD-2134A Cable Identifier – HV Hipot
The purpose of the cable identifier is to accurately identify one of the target cables from multiple cables and avoid serious accidents caused by wrong sawing of live cables. Cable identification starts from the operation of both ends of the cable, it must be ensured that the double number on both ends of the cable is accurate. GD-2134A Cable Identifier is only suitable for on-site identification of de-energized cables. It is strictly forbidden to connect the cable identifier to the running power cable! Features ● Handheld receiver automatically identify and display the results to ensure that the results of cable identification are 100% accurate. Light weight and powerful, easy to carry. ● Suitable for on-site identification of de-energized cables. ● Both transmitter and handheld re... -
China High Quality Circuit Breaker Timing Test Equipment Exporters – GDSL-D Seriese Digital Primary Current Injection Test Set – HV Hipot
Adoption of Standard ● DL/T 596-2005 “Procedure Test Procedures for Electrical Equipment” ● GB1094.1-GB1094.6-96 “Shell protection level” ● GB2900 “Electrical Terminology” ● GB/T16927.1~2-1997 “High Voltage Test Technology” ● GB4793-1984 “Safety Requirements for Electronic Measuring Instruments” ● GB191 “Package Storage and Transportation Mark” ● GB/T.311-1997 “Insulation and coordination of high voltage power transmission and transformation equipment” Features ● Using high conductivity copper as the output electrode, the contact surface is large and the flow capacity is strong. ● Brushed aluminum plate with a new process, simple and eye-catching, wear-resistant and pollution-resistant. ● The all-... -
China High Quality megger earth tester Factories – 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 ... -
OEM Best Earth Leakage Circuit Breaker Manufacturer – GDHL-100HS 100A Handheld Contact Resistance Tester – HV Hipot
General Information The product is mainly used for the contact resistance of switch contacts and other micro-ohm resistance measurement, and the test speed is fast and the accuracy is high. This handheld contact resistance tester is an innovative product that is compact, hand-held, battery powered and easy to carry. Features ● Maximum output current is 100A, two current levels are selectable ● Built-in large capacity lithium battery, it can perform more than 600 tests on one charge. ● The test is simple, the operation is convenient, and it can work continuously for more than 8 hours. ● In the 100A test, the longest test time can be up to 60 seconds, which can meet various usage scenarios on site. ● Wide range, high precision, up to 10mΩ at 100A. ● With complete protection functio... -
OEM Best Capacitor Spec Factory – DC Hipot Test Set GDZG-S – HV Hipot
Features ● Electronic control and tune, easy to operate. ● The date of voltage and current are recorded in the panel, reading without conversion. ● One minute timing and tip function. ● Perfect overvoltage and over-current protection function inside, also zinc oxide overvoltage protection outside, which ensure safety of generator. ● Both control unit and doubler packed with special shockproof aluminum alloy cabinet, easy to move. ● Portable design, suitable for on-site testing. Specifications Items(kV/mA) parameter 50/100 50/120 60/150 60/200 60/300 Output voltage(kV) 50 50 60 60 60 Output current(mA) 100 120 150 200 300 Output power(W) 5000 6000 9000 12000 18000 Voltage measurement error ≤1.0% ±1digit Current measu... -
OEM Best lightning protection system price Exporters – GDYZ-301 Zinc Oxide Surge Arrester Tester – HV Hipot
Features 1. 800*480 color LCD touch screen, with high speed thermal printer. 2. Graphic display, intuitive interface, easy to operate and use on-site. 3. Long distance wireless transmission. PT signal wireless transmission distance more than 400m (2000m can be customized). 4. Suitable for testing in various situation such as lightning arrester with or without electricity, laboratory. 5. Test three phase current, three phase voltage at the same time, more efficient. 6. No strong electricity inside, voltage not more than 12V. Current and voltage sensors are completely isolated, safe and reliable. 7. Support various voltage sampling: 1. Wired; 2 wireless; 3. Non-voltage; A. Wire: digital signal transmission with cable which the signal is from PT metering winding; B. Wireless: digital s... -
OEM Best earth leakage resistance tester Manufacturers – 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... -
China High Quality Capacitor Measurement Factory – 50kV AC DC Dielectric Test Equipment GDYD-53D – HV Hipot
Application AC hi-pot testing is the effective and direct way to test insulation strength for electrical equipment, apparatus, or machines. It checks dangerous flaws which assure electrical equipment continuous working. Typical applications include testing of transformers, switchgear, cables, capacitors, aerial motors platforms, hot sticks bucket bricks, vacuum bottles and other related equipment like vacuum interrupters, blankets, ropes, gloves, hydraulics hose, instruments transformers generators. Features ● Digital display panel mounted controls & indicators with easy-to-read legend. ● Monitoring high voltage side voltage, low voltage side current and indicator of zero, power, working start, timing. ● Over-current protection, zero-starting protection, sound, and light alarm... -
China High Quality Corona Test System Suppliers – 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.
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