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China High Quality Infrared Leak Detector Manufacturers – GDSF-311WPD 3-in-1 SF6 Gas Analyzer – HV Hipot
General Information GDSF-311WPD (GDSF-411WPD) is an ideal instrument when it is necessary to test water content, purity and decomposition products of SF6 gas. The core component of dew point test is DRYCAP® series sensors produced by Finland Vaisala company. The infrared principle SF6 gas purity testing sensor manufactured by European Sensor Company is used to test the purity of SF6 gas. The electrochemical sensor manufactured by Mombabo Company in Switzerland is used as the sensing element for the test of SF6 gas decomposition products. With professional hardware chips and excellent software algorithms of STMicroelectronics, we have produced a new generation of 3-in-1 gas analyzer. Application Features Specification SF6 Humidity ● Measurement method: Resistive and Capaci... -
China High Quality overcurrent relay testing Exporters – 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... -
OEM Best Hipot Factories – Insulation Materials Hipot Test Set GDJS-65 – HV Hipot
GDJS-65 Insulation Gloves Test Set It is used to test insulation performance for insulation gloves, boots, mats, hats, rod, Electroscope etc. It can test 6pcs insulation gloves/boots at the same time, also 5pcs insulation rods. Features Manual control unit ● Digital and real time display HV voltage, LV current, 6-way leak current and time. ● With leak current meter and over-current protection meter. ● With movable control unit, easy wiring and testing. ● Manual control, safety and reliability. ● With zero, power, operation, timing indicators. ● With over-current protection, zero-start protection, sound and light alarm, power protected switch. ● New type timer, broader timing range.(1s-99h). Other features ● HV source is oil immersed type testing transformer.(dry type and SF6 gas t... -
OEM Best Tensile testing machine Factory – 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... -
OEM Best closed cup flash point tester 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 Transformer Capacitance Factory – Insulation Materials Hipot Test Set GDJS-65 – HV Hipot
GDJS-65 Insulation Gloves Test Set It is used to test insulation performance for insulation gloves, boots, mats, hats, rod, Electroscope etc. It can test 6pcs insulation gloves/boots at the same time, also 5pcs insulation rods. Features Manual control unit ● Digital and real time display HV voltage, LV current, 6-way leak current and time. ● With leak current meter and over-current protection meter. ● With movable control unit, easy wiring and testing. ● Manual control, safety and reliability. ● With zero, power, operation, timing indicators. ● With over-current protection, zero-start protection, sound and light alarm, power protected switch. ● New type timer, broader timing range.(1s-99h). Other features ● HV source is oil immersed type testing transformer.(dry type and SF6 gas t... -
China High Quality Current Transformer Manufacturers – 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... -
China High Quality Primary Injection Testing Solutions Supplier – 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 ... -
OEM Best Overload Current Injection Test Factories – GDZK-IV Vacuum Degree Tester for Vacuum Breaker – HV Hipot
Features ● Measure vacuum degree in vacuum interrupter for every types of breakers. ● Electromagnetic measuring method, Accurate and Reliable. ● No need to dismantle the vacuum breaker in measurement. ● 128*64 pixel LCD screen, easy to operate. The test results are directly compared with the standard values to determine whether they are qualified;Save, print and check testing data. ● RS-232 port, connecting with PC to download vacuum degree-ionic current curve, to estimate lifespan. ● Light weight, Portable. Specifications ● Power Supply: AC220V ± 20%, 50Hz. ● Testing Range: 10-5 ~10-1Pa. ● Electric field Voltage: 20kV. ● Magnetic field Voltage: 1600V. ● Accuracy: 20%-25% at 10-5 ~10-4. 15%-20% at 10-4 ~10-3 10%-15% at 10-3 ~10-2 5%-10% at 10-2 ~10-1 ● Ambient Temperature: -1... -
OEM Best Live Wire Detector 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 Impulse Generator Factory – GDRB-C Power Transformer Winding Deformation Tester – HV Hipot
General Information Power transformer winding deformation tester (frequency response method) is based on the measurement of characteristic parameters of transformer internal windings, adopts the internal fault frequency response analysis (FRA) method, can accurately judge the internal faults of transformers. After the completion of design and manufacture of transformers, the coils and internal structure are finalized, so for the coil of a multi-winding transformer, if the voltage level and winding method are the same, the corresponding parameters (Ci, Li) of each coil shall be determined. Therefore, the frequency characteristics response of each coil also will be determined, so the frequency spectrums of the corresponding coils of three phases are comparable. During the test of trans... -
China High Quality relay protection device Suppliers – GDJB-II SECONDARY CURRENT INJECTION TEST SET – HV Hipot
Features A. Working conditions 1. Power supply: AC 220V±10%,50Hz 2. Working environment: Temperature -10℃～40℃; Humidity: ≤85% 3. Atmosphere: 86-106kPa B. Output power supply 1. AC voltage: 0-220V/3A Adjustable 2. AC current: 0-100A/7V (200A can be customized); 0-20A/25V Adjustable; 0-5A/5V Adjustable 3. DC voltage: 0-220V/3A Adjustable 4. DC current:0-20A/25V 5. Fixed voltage output: DC 24V/48V/110V/220V 6. Current/Voltage accuracy: ±1%. C. Performance Index 1. Ammeter and voltmeter: 41/2 digit. 2. Digital millisecond meter: 0-99.9999s(999.999s can be customized) Resolution: 0.1ms. D. Functions 1. Measure relay: Measure start value, return value and drop-off to pick-up ratio of current, voltage relay. 2. Time relay: Measure start value, return value and action time. 3. Intermed...
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