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China High Quality Injection Testing Manufacturers – GDKC-12A (GDKC-12B) (GDKC-13A) Circuit Breaker Analyzer 2021 – HV Hipot
General Information High voltage circuit breaker is one of the most important control equipment in the power system. GDKC-12A/B (GDKC-13A) is used to test the dynamic characteristics of high voltage circuit breaker. It is easy to operate, with high accuracy. Features ● Time: the open/close time, in phase synchronization, phase-to-phase synchronization of 12contacts. ● Closing resistor: pre-switching time, pre-switching waveform and resistance of the closing resistor of 6 channels. ● Reclosure: close-open, open-close, open-close-open time for each contact. ● Bounce: close bounce time, times, process and waveform of each contacts. ● Velocity: velocity at contact open or close, maximum speed, time-travel characteristic curve; first open, first close and second open velocity of reclo... -
OEM Best Ct/Pt Meter Factory – GDHG-108A CT/PT Tester – HV Hipot
GDHG-108A CT/PT Tester supports test voltage method to test bushings CTs which installed on transformer or inside switch-gear, suitable for the laboratory and on-site detection. Itcan be easily and conveniently done voltage current characteristic, transformer ratio, ratio and phase angle error, load test items on CT/PT. Features ● Using the voltage detection principle to measure CT and PT. ● To meet the requirements of GB1207, GB1208, GB168-47 (IEC60044-1.6) and other standards. ● No external auxiliary equipment, a single machine can complete all test items. ● With high speed micro printer: real-time print the test result. ● Using intelligent controller, operation is simple. ● 5inch LCD screen display. ● Automatically given CT/PT (excitation) knee point value. ● Auto display 5% and 1... -
OEM Best Tensile testing machine Exporters – GDZL-503 Automatic Interfacial Tension tester – HV Hipot
Intermolecular forces will generate interface tension and surface tension of liquids. The value of tension reflects liquid sample’s physics and chemical properties, which is one of the most important index for product quality. GDZL-503 automatic interfacial tension tester tests kinds of liquid surface tension and interface tension according to ring method which is simple and accurate. It is widely used in electric, petroleum, chemical,medicine, food and teaching filed. Features ● Exclusive and quick response electromagnetic balance sensor is adopted, to improve the accuracy of the measurement and degree of linearity. ● Only using one point calibration, to solve the problem of previous sensor which needs multi-point calibration. It is no need to use zero potentiometer and full s... -
OEM Best Energy Meter Tester Manufacturers – GDDO-20C AC/DC Electric Meter Calibration Device – HV Hipot
General Information GDDO-20C AC/DC Electric Meter Calibration Device is used to detect basic error of various power frequency electric instruments in power systems, including voltmeter, ammeter, wattmeter, ohmmeter, single phase & three phase AC energy meters (optional) and basic error of DC volt-meter and ammeter. For meter’s part, it takes high precision power frequency AC collector as core technology, which consists of digital signal processor (DSP) and 16-digit high speed analog-digital converter; For signal source, it uses DSP and 16-digit high speed analog-digital converter to form signal source that produces sine wave signal and distortion wave signal. Features ● Accuracy class of 0.05. When AC voltage, AC current and active power are measured, the device is equip... -
OEM Best Primary Injection Test Tools Manufacturer – GDHL-100A Micro-Ohmmeter – HV Hipot
General Information GDHL-100A Micro-Ohmmeter is widely used to measure loop resistance and contact resistance for weld joints, cables, and various HV switches within power industry. It uses intelligent power test system “Smart-Quick”, which is granted software copyright, and advanced detection technology. Features ● Adopt high-precision constant current power supply, automatic rising current mode without manual adjustment, the test is fast and accurate. ● Use four-terminal wiring method, effectively eliminate the interference produced by test cable resistance; ● Wide range, high accuracy, the resistance measurement range is up to 99mΩ. ● Multiple test times can be set, which meets various on-site applications; ● Large current output for a long time, burning the switch ... -
China High Quality Pipe Cable Locator Exporters – 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 Circuit Breaker Testing Exporters – GDHL-100A Micro-Ohmmeter – HV Hipot
General Information GDHL-100A Micro-Ohmmeter is widely used to measure loop resistance and contact resistance for weld joints, cables, and various HV switches within power industry. It uses intelligent power test system “Smart-Quick”, which is granted software copyright, and advanced detection technology. Features ● Adopt high-precision constant current power supply, automatic rising current mode without manual adjustment, the test is fast and accurate. ● Use four-terminal wiring method, effectively eliminate the interference produced by test cable resistance; ● Wide range, high accuracy, the resistance measurement range is up to 99mΩ. ● Multiple test times can be set, which meets various on-site applications; ● Large current output for a long time, burning the switch ... -
China High Quality Withstanding Voltage Tester 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. -
China High Quality oil tensile meter Suppliers – GDZL-50L Oil Filtration Machine – HV Hipot
General Information The machine GDZL-50L can effectively remove moisture, gas and impurities in the insulating oil, improve the pressure resistance of the oil and the quality of the oil, to ensure the safe operation of the power equipment. It is mainly used in the power sector and industrial and mining enterprises to deal with unqualified transformer oil, transformer oil, switch oil and so on. Features ● Small size and high efficiency, easy to move. It is especially suitable for live working on site. It also can dry the moisture of power equipment, and conveniently vacuum the power equipment. ● Infrared liquid level automatic control device, system pressure automatic protection device and high-efficiency degassing components are adopted in the structure. The operation is convenient and ... -
China High Quality Use Of Coupling Capacitor Factories – 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 High Voltage Constant Current Pulse Generator Exporters – GDZRC-100U Transformer DC Winding Resistance Tester – HV Hipot
General Information Transformer DC winding resistance is a required test item for the factory test, installation, overhaul, change of tap switch, handover test and preventive test of power department. It can check the welding quality of the winding joints and whether there is a short-circuit between the windings. It can detect whether the contact of each position of the voltage tap switch is good, and whether the actual position of the tap switch is consistent with the indicated position, whether there is a fracture of the lead wire, whether there is a broken strand of multi-strand wire and winding. GDZRC-100U Transformer DC Winding Resistance Tester is designed in order to meet the needs of rapid measurement of transformer DC winding resistance. The instrument adopts a new power sup... -
OEM Best Low Resistance Meter Supplier – GDKC-15 Series Circuit Breaker Analyzer 2020.12 – HV Hipot
General Information High voltage circuit breaker is one of the most important control equipment in the power system. GDKC-15 Series is used to test the dynamic characteristics of high voltage circuit breaker. It is easy to operate, with high accuracy. GDKC-15 Series GDKC-15A GDKC-15B GDKC-15C GDKC-15D GDKC-15E GDKC-15F GDKC-15G GDKC-15H Metal contact 12 12 12 12 12 12 12 12 Closing resistance 6 6 6 6 6 6 6 Graphite contact 3 3 3 3 6 Double-ended grounding 3 3 3 6 Dynamic resistance(Pre-insertion resistor) 1 1 3 3 3 3 6 Static resistance 1 1 3 3 3 3 6 Ground resistance 3 6 Features ● It is suitable for the mechanical test of all types of SF6 switches, GIS combination appliances, vacuum switches and oil switches. ● Strong an...
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