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OEM Best Step Pulse Generator Supplier – 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... -
China High Quality moisture measurements Supplier – GDOH-II insulating Oil Gas Content Tester – HV Hipot
General Information GDOH-II Insulating Oil Gas Content Tester is a new generation tester adopts imported high accuracy sensor and the newest sensor technology. It is based on the DL423-91 power industry standard and relevant national standards. It is more practical, more stable and reliable in performance, easy to operate and more suitable for the determination of gas content in ultra-high voltage oil-filled equipment. It is an ideal test equipment for laboratory. Features ● The all-metal structure avoids the problems of fragility and poor sealing of the glassware tester. ● The application of high precision and high stability imported differential pressure sensor makes the test data more accurate and repeatable. ● The test circuit contains the sensors that measure atmospheric pre... -
China High Quality kyoritsu clamp meter Factories – GD2000H 10kV Insulation Resistance Tester – HV Hipot
General Information This device can test insulation resistance (such as transformer, switchgear, leads, motor) of different modules in one system, to insulate and repair failure components. It is important to ensure products quality and security of person and equipment during operation by insulation test of checking test object to ground or adjacent conductors’ insulation. Before power on the system, use insulation test to verify if it is good to improve system performance. Insulation test is to find manufacturing process problems and equipment fault which can’t be found before failure happened. In EU, this test is compulsory, even to civil system. Features 1. Voltage output GD2000H (5kV/10kV).Resistance range 0-400GΩ. 2. Two modes display insulation resistance. 3. Aut... -
China High Quality Live Cable Detector Manufacturer – GDCF-900T Vehicle Mounted Cable Fault Locating System – HV Hipot
Vehicle Mounted Cable Fault Locator system is used for Cable Fault conditioning (burn-down), Pre-Location, Route Location, Pin-pointing & Testing of HV & LV cables of different types&sizes. The set is suitable to carrying out the above-mentioned multifunction on power cables of various voltage levels mainly 33KV, 11KV, 415V and control cables with 1.1 KV grade. The set shall be used for cable types namely XLPE, PVC, PILC with Al / Cu conductor. The cables are laid underground (under plain earth, trenches, or RCC surface, Horizontal Drilling in HDD Pipe), above ground or partly under & partly above ground with maximum cable length around 25Km. The cable fault locator is suitable for fault locating and pinpointing the following types of cable faults. ● High resistance ● L... -
China High Quality electrical monitoring system Exporters – GDPD-313M Portable Partial Discharge Detector – HV Hipot
External flexible sensor (for option) Parabolic sensor (wave condenser, for option) TEV and AE method is acknowledged and suitable technology to be used in online partial discharge detection. GDPD-313M uses ultrasonic detection technology (AE) and TEV mode, which can effectively ensure signal sensitivity in the interference on-site environment. It is suitable to detect PD flaw and locate PD signal for switch cabinet etc. Features ● Built-in ultrasonic sensor. electrical fault generates ultrasonic wave at the fault point, and ultrasonic mode transmits the ultrasonic signal through the earphone to scan the area to detect the discharge. Various characteristics of vibration, pop, and hum can be associated with different faults. ● Built-in high-precision TEV sensor, coupled with electrom... -
OEM Best Cable Detector Suppliers – GD-2134E Cable Identifier – HV Hipot
GD-2134E is a high-performance underground metal pipeline detection system composed of signal transmitters and receivers. It can be used for path detection, pipeline survey and depth measurement of metal pipelines and underground cables. It can carry out uniqueness identification with a variety of selected accessories, as well as pipe insulation damage and the search for some types of cable faults. Features ● Compass display: intuitively displays the pipeline location and left & right directions. ● Tracking true and false prompts: current direction measurement, tracking correct error prompts, eliminating line interference (some frequencies). ● Depth and current measurements, can display the signal strength historical curve. ● Fully digital high-precision sampling processing: sta... -
OEM Best Vacuum Switch Test Set Factory – GDHL-100B Contact Resistance Tester (Microhm Meter) – HV Hipot
Description The performance of the conductive circuit of the circuit breaker is important to ensure the safe operation of the switch. The pros and cons of the conductive performance can be reflected by the size of the resistance of the conductive loop. Therefore, the IEC standard and the manufacturer have stipulated that the loop resistance should be measured, and there are clear specifications for the loop resistance of various types of switches. The loop resistance tester is a testing instrument meets the requirements of GB50150-2006 and DL / T 845.4-2004 regulations. It is widely applicable to the measurement of contact resistance, loop resistance, cable, wire, and weld contact resistance of various electrical switches. Application ● High,middle and low voltage circuit breakers... -
China High Quality dc clamp meter Exporters – GDCR3200C Double Clamp Multifunctional Earth Resistance Tester – HV Hipot
General Information GDCR3200C Double Clamp Multifunctional Earth Resistance Tester is specially designed and manufactured for on-site measurement of grounding resistance, soil resistivity, grounding voltage, grounding line leakage current, AC current and DC resistance. The instrument adopts advanced digital processing technology, with 2-wire method, 3-wire method, 4-wire method, selection method, double clamp method and other measurement methods; Import FFT (Fast Fourier Transform) technology, AFC (Automatic Frequency Control) technology, with unique anti-interference ability and environmental adaptability, high repeated test consistency, ensuring high precision, high stability and high reliability for long-term measurement.The instrument used large caliber current clamp design, can ... -
OEM Best Cable Fault Location System Supplier – 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 Stack Gas Analyzer Supplier – GDSF-411CPD SF6 Gas Comprehensive Analyzer – HV Hipot
General Information GDSF-411CPD SF6 gas comprehensive analyzer is a portable device designed to measure SF6 gas dew point, purity and decomposition product. The core component with chilled mirror method is used to test dew point, European sensor with infrared method to test SF6 gas purity and electrochemical sensor from Membrapor to test SF6 gas decomposition product. Besides, we also adopt professional hardware chips and excellent software algorithms of STMicroelectronics. Application Features Specification SF6 Humidity Measurement method Chilled mirror method (Stirling Refrigeration) Measurement range Dew point -100℃–+20℃(90s for single point measurement), error: better than ±0.2℃ Repeat-ability ± 0.1 ℃ Resolution 0.01℃ Display unit ℃, ppm, ℃ P20(convert... -
China High Quality oil test Factories – 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... -
China High Quality Primary Injection Set Working Demo Manufacturer – GDHL-200A (GDHL-100A) Micro-Ohmmeter new – HV Hipot
General Information GDHL-200A (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. ● At 200A, max. test time can reach 1~999s, which meets various on-site applications. ● Large current output for a long tim...
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