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OEM Best point tester Factories – Transformer Oil Gas Chromatography Online Monitoring System – HV Hipot
General Information GDDJ-DGA Transformer Oil Gas Analyzer is an online monitoring device for dissolved gas in transformer oil based on gas chromatography technology. Potential fault are determined, release alert as per preset value through expert diagnosis system. The device adopts distributed control sampling technology and has self-diagnosis and self-recovery functions. Each function module is weak coupling, function independent, adopting rack structure, easy for engineering maintenance. Features ● Maintenance-free, no need to replace gas cylinder. ● On-line detection the concentration and growth rate of H2, CO, CO2, CH4, C2H4, C2H2, C2H6. ● Modular design and compact structure, easy for maintenance, with high expansibility, can be easily integrated to other monitoring equipmen... -
OEM Best Partial Discharge Measurement Factory – GDPD-414 Portable Partial Discharge Detector – HV Hipot
Main unit UHF sensor, round type, suitable for GIS UHF sensor, rectangle type, suitable for power cable, transformer, switchgear HFCT, suitable for power cable, transformer TEV sensor, suitable for switchgear Ultrasonic sensor, suitable for transformers, switchgear Above pictures are only for reference first. The GDPD-414 Portable (GDPD-414H handheld) Partial Discharge Detector adopts smart quick intelligent power test system (Soft No. 1010215, trademark registration number 14684781 (14684481)). It can flexibly configure various sensors according to different products to be tested. TEV, ultrasonic and HFCT are suitable for partial discharge detection of high-voltage switchgear and ring network cabinet; Ultrasonic and UHF are suitable for detecting G... -
China High Quality Sf6 Gas Purity Test Ofcircuit Breaker Factory – GDJD-3A SF6 gas Density Relay Calibrator – HV Hipot
Product Description GDJD-3A SF6 gas Density Relay Calibrator is automatic calibrator, which uses embedded microprocessor to proceed performance calibration for all kinds of SF6 gas density relay. It is also a portable device which can make standard conversion for SF6 gas pressure at any environmental temperature. This device is mainly used for SF6 gas products production, maintenance and monitoring in power system. Features ● Automatically calibrate density relay and pressure gauge. ● Compact design, small size, and light weight, easy to carry. ● Color LCD screen, Windows menu. ● The power supply has UPS function, suitable for field operation. ● With mini-printer, to print test result directly. ● Good sealing property, do not waste SF6 gas during calibration. ● The two ends of con... -
OEM Best Pipeline & Cable Detector Manufacturer – 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 earth ground resistance meter 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... -
OEM Best Turn-To-Turn Surge Withstand Tester Factory – Surge Generator for motor – HV Hipot
GDZJ-5S Turn to Turn Surge Withstand Tester GDZJ-5S is used to test turn-to-turn insulation strength of single-phase motor, 3-phase motor, Micro motor, Special motor, electrical motor, transformer (including switching mode power supply transformer), relay and winding electrical equipment. It can detect below faults: ● Turn-to-turn Insulation breakdown ● Corona discharge ● Winding connection mistake ● Winding disconnection ● Turn-to-turn difference ● Short-circuit between interphase, winding phase, or iron core Specifications ● Peak voltage: 500-5000V continuous adjustment ● Peak error: ≤ 5% (1kV-5kV) ● Waveform rising time: 0.5μS or 0.2μS ● Power supply: 220V±10%, 50HZ ● Power consumption: ≤ 100 W ● Dimension: 480*260*390mm ● Weight: about 24kg -
OEM Best Cold Mirror Dew Point Tester Manufacturer – GDP-8000CM SF6 Gas Dew Point Tester (Chilled Mirror Method) – HV Hipot
General Information GDWS-311CM is ideal instrument when it is necessary to test water content of SF6 gas. The core component sensor is produced by GE company. With professional hardware chips and excellent software algorithms of STMicroelectronics, we have produced a new generation of gas moisture test instrument. Application ● Moisture monitoring of SF6 gas electrical equipment for electric power. ● SF6 gas cylinder gas quality test ● High purity gas manufacturing ● Semiconductor industry dry gas supply ● Research and development use ● Clean room/dry house monitoring ● Metal heat treatment site and laboratory industrial gas humidity detection, such as air, CO2, N2, H2, O2, SF6, He, Ar and other inert gases. Features ● Better than ±2℃ measurement accuracy. ● The whole chan... -
OEM Best Cable Location Equipment Factories – 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 closed cup test Suppliers – GDCP-510 Oil Freezing Point Tester – HV Hipot
General Information GDCP-510 Low Temperature Freezing Point Tester is compliant with GB/T 510 “Determination of Solidification Point for Petroleum Products” and GB/T 3535 ”Petroleum Products―Determination of Pour Point. “(ISO 3016) It adopts compressor refrigeration, enclosed bath, equipped with tilt bracket and automatic digital display controller, which uses fuzzy control and PID self-tuning technology, performance is more stable. Specification Temperature range Room temperature to -75ºC. Accuracy ±0.1ºC Refrigeration Germany imported sensor, cascade compressor refrigeration, with new type refrigerant, more quickly and environment friendly. Structure Two-slot & four-hole Temperature correction and display based on automati... -
China High Quality One Of The Type Of Partial Discharge Is Suppliers – 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 Underground Cable Locator Rental Factory – 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 Single Stage Impulse Generator Circult Manufacturers – Impulse Voltage Test System – HV Hipot
Features ● Complete equipment and wide voltage levels in the whole set of device. ● Small electric inductance in the return circuit of the impulse voltage generator, A band-stop filtering is adopted so that a standard impulse wave is still generated even under a large capacity load, and large load capacity. ● Large in voltage utilization coefficient. ● Convenient in wave adjustment, simple in operation, excellent in synchronization performance and reliable in motion. ● An automatic control technique is adopted in the constant-current charge, which is high automation and strong anti-interference capacity. ● A digital measurement and analysis system for the impulse test date are adopted, which increase the technical level and the efficiency of the impulse voltage tests. Specifications ...
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