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OEM Best Cap Discharge Supplier – AC Dielectric Test Equipment with manual control unit GDYD-D – HV Hipot
Application Features ● Digital (Pointe) 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. ● Continuously variable output from zero to full voltage. ● Adjustable over current protection, with trip levels variable from 10 to 110%. ● With new type time relay, time range is wider (1S ~ 99H). ● Using the latest current relay, more accurate and reliable. ● Light weight, small size, easy to move. Technical Specifications ● Input voltage: AC 220V or 380V ● Output voltage of control unit: AC 0-250V or 0-430V ● Output current of control unit:0-5/10/15/50A(customized) ● Ca... -
OEM Best megger unit Factories – GDF-3000 DC System Earth Fault Detector – HV Hipot
General Information In DC system, there are many earth faults including indirect earth fault, non-metal earth fault, loop earth fault, positive and negative earthing fault, positive and negative balance earth fault, multi-point earth fault. GDF-3000 Earth Fault Tester for DC System locates these earth faults and displays the parameters of system voltage, earth voltage, earth resistance and earth impedance of branches accurately. Functions ● System ground voltage measurement function, the instrument can measure the system ground voltage, negative to ground voltage, system voltage, can achieve 0-300V voltage monitoring range. ● System insulation impedance measurement function, the instrument can measure the positive to ground insulation impedance and the negative to ground insulatio... -
OEM Best power testing equipment use at tnb 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 ... -
China High Quality dew point meter Suppliers – 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 multi phase programmable relay test set Manufacturers – GDJB-6000M Smart Substation Relay Protection Test System – HV Hipot
GDJB-6000M Smart Substation Relay Protection Test System is a new generation of intelligent relay protection tester designed according to “Smart Substation Relay Protection Technical Specifications” and “Smart Substation Technical Guidelines”. It can not only realize the full function test of the optical digital protection device (IEC61850, smart digital station), but also carry out full function test on the traditional protection device (conventional station). GDJB-6000M is a portable new product independently developed through the use of technologies such as embedded real-time operating systems, high-performance embedded processors, and large-scale logic devices, combined with power field conditions and numerous power user experiences. It is widely applicable t... -
China High Quality Vacuum Switch Interrupter Vacuity Tester Supplier – 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 hv cable testing Exporters – GDJF-2007 Digital Partial Discharge Analyzer – HV Hipot
Picture only for reference first. GDJF-2007 Digital Partial Discharge Analyzer is widely used for detecting partial discharge of high voltage equipment such as power transformers, instrument transformer, HV circuit breaker, GIS, Zinc oxide surge arrester, power cable. It also can make type tests and monitor insulation operation. It includes main unit, PD software, current transformer, input unit, calibration pulse generator, input adapter, antenna amplifier and connection cable etc. Features ● 12inch LCD display, with portable design, rugged and durable, easy to use. ● Strong anti-interference ability, accurate. Using digital filtering technology, field interference can be effectively eliminated, and partial discharge measurement can be realized in a strong interference environmen... -
China High Quality oil analysis lab Supplier – 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 jual dew point meter Manufacturers – 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... -
China High Quality Hv Hipot Manufacturer – 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... -
OEM Best Underground Cable Fault Detection Equipment Exporters – 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-... -
China High Quality Dc Voltage Tester Suppliers – VLF AC Hipot Test Set – 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...
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