-
OEM Best insulation resistance testing in power electrical cables Manufacturer – GDCR3000 Digital Earth Resistance Tester – HV Hipot
General Information GDCR3000 Digital Earth Resistance Tester is specially designed and manufactured for field measurement, adopting the latest digital and micro-processing technology, 3-pole or 2-pole method for earth resistance measurement, with a unique function of wire resistance verification, anti-interference capability and the ability to adapt to the environment, to ensure high precision, high stability and reliability for prolonged measure, which is widely used in electric power, telecommunications, meteorology, oil field, construction, lightning protection, industrial electrical equipment and other earth ground resistance measurement. Measurement range & Accuracy Measurement function Range Accuracy Resolution Earth resistance 0.01Ω～20Ω ±2%rdg ±3dgt (Auxiliary ear... -
OEM Best spares of flash pont tester china Factories – GDZD-601 oil shaker – HV Hipot
Features 1. 240*128 LCD display. 2. Small size, light weight and low noise. 3. Easy operation, control temperature is accurate. Specification 1. Temperature measurement range: 0~120℃ 2. Temperature control range: Room temperature to 110℃ 3. Temperature control method: Digital PID auto control 4. Temperature control accuracy: Room temperature to 50℃, ±0.2℃; 50℃~100℃,±0.3℃; 100~110℃, ±0.5℃ 5. Shaking frequency: 275±3 times/minute 6. Shaking amplitude: 35mm 7. Quantity of samples: Injector 100ml *8pcs; conical flask 250ml *4pcsA 8. Working modes: Chromatography degassing: Constant temperature at 50℃, shaking for 20 mins, static for 10 mins. Water-soluble acid: Constant temperature at 75℃, shaking for 5 mins, static for 0 minute. User defined: Constant temperature 0 to 110℃ at any... -
China High Quality oil test Factory – GDND-800 Freezing Point Tester – HV Hipot
General Information 1. Transformer oil freezing point tester has the characteristics of exquisite structural design and unique manufacturing process. It conforms to GB/T 3535 and GB/T510 standards and is used to determine the pour point of petroleum products. 2. This instrument adopts compressor refrigeration technology to save energy, simple operation and long service life. Its main technical indicators such as cooling rate and cooling capacity have surpassed similar foreign products. Working conditions 1. The instrument should be placed on a flat and stable workbench, and air convection should be minimized in the environment. 2. This product may involve flammable materials when used. It is not allowed to have an open flame (or a device that produces spark) close to it during op... -
China High Quality Hipot Supplier – 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 cost of meger testing machine Suppliers – 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 Pulse Generator Suppliers – GDCL-10kA Impulse Current Generator – HV Hipot
Working Environment ● Environmental temperature: -10℃ to 40℃ ● Related humidity: ≤ 85% RH ● Altitude: ≤ 1000m ● Indoor use ● No conductive dust, no fire or explosive danger, no corrosive metal or insulation gas. ● Power voltage waveform is sine wave, distortion rate <5% ● Earth resistance is no more than 1Ω. Applied Standard IEC60099-4: 2014 Surge Arresters-Part 4: Metal-oxide surge arresters without gaps for a.c. systems. GB311.1-1997 Insulation coordination of HV Power transmission and transformation. IEC 60060-1 High Voltage Testing Technique- General Testing Requirement. IEC 60060-2 High Voltage Testing Technique- Measurement System. GB/T16896.1-1997 Digital Recorder of High Voltage Impulse Test. DLT992-2006 Implementing Rules for Impulse Voltage Measurement. DL/T613-1997 T... -
OEM Best earth leakage resistance tester Manufacturer – GDDT-10U Digital Grounding Down Lead Earth Continuity Tester – HV Hipot
General Information GDDT-10U Earth Continuity Resistance Tester is a highly automatic and portable test equipment. It is applied to the measurement of breakover resistance value among earth connecting cables of substation electrical equipment. The adoption of high-performance single-chip control helps to achieve intelligence of testing process. It is small size, convenient to carry, easy to operate, high-accuracy, fast testing speed, good testing repeatability, clear to read. Features ● The instrument is controlled by high-speed single chip, thus it’s highly automatic and easy to operate. ● Using new power source technology, with many more current steps and wide measuring range. ● Intelligent power management technology, the instrument can work in the state of Min. power, w... -
China High Quality Flash point equipment Manufacturer – 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 earth fault detector equipment for airfield cables Factory – GD2000D Insulation Resistance Tester – HV Hipot
General Information GD2000D digital insulation resistance tester produced by our company uses an embedded industrial single chip real-time operating system. The digital analog pointer and digital field code display are perfectly combined. This series of meters has a variety of voltage output levels (250V, 500V, 1000V, 2500V, 5000V, 10000V), large capacity, strong anti-interference, analog pointer and digital synchronous display, AC and DC dual-use, simple operation, automatic calculation of various insulation indicators (absorption ratio, polarization index), various measurement results with anti-power-down function, etc. It is an ideal test instrument for measuring the insulation resistance of large-capacity transformers, transformers, generators, high-voltage motors, power capacito... -
China High Quality Capacitance And Dissipation Factor Test Manufacturer – 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... -
China High Quality automated flash point tester 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... -
OEM Best Miniature Circuit Breaker Supplier – 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...
Featured
Send your message to us:
Write your message here and send it to us