Circuit Breaker Analyzer

Product Overview The Portable Surge Arrester Monitor Calibrator is a dedicated field instrument developed to address the demands of DC-type arrester monitors used in power systems, such as the Model JCQ(WZ)-16 series. It is mainly dedicated to the calibration work of 1000kV-class arrester monitors, verifying the measurement accuracy and action counting performance of on-line monitors so that the leakage current and action data reported by the monitors remain reliable during

Surge Arrester Counter Action Tester | XHJS401 The XHJS401 arrester counter action tester is a professional device researched and developed by our technical team to meet the actual needs of power industry users. With its elegant appearance and easy-to-carry, easy-to-operate design, it has completely replaced the outdated, heavy testing equipment and cumbersome testing procedures. The instrument generates an 800 ~ 1000V high-voltage pulse to simulate a lightning discharge,

Integrated SF6 Gas Tester | 3-in-1 Comprehensive Analyzer | XHJL309 This all-in-one instrument integrates a micro-moisture meter, a purity tester and a decomposition product analyzer, replacing three separate devices with one compact unit. One on-site test is enough to complete three indicator detections, slashing gas consumption by two-thirds per measurement and improving work efficiency greatly. SF6 gas is the insulating and arc-extinguishing medium of high-voltage

Surge Arrester Counter Action Tester Model: XHJS401 | Portable Discharge Counter Operation Tester Product Overview The XHJS401 surge arrester counter action tester is an independently developed handheld instrument designed in response to the needs of power users for convenient on-site testing of lightning arrester discharge counters. Its attractive appearance, compact size and convenient portability have completely replaced old-fashioned bulky testing instruments and

Sulfur Hexafluoride Tester | 3-in-1 SF6 Gas Analyzer | XHJL309 Integrating a micro-moisture meter, a purity tester and a decomposition product analyzer into a single unit, this device combines the functions that previously required three separate instruments. A single on-site measurement enables the testing of three indicators, which significantly reduces gas consumption for the equipment, cutting gas usage by two-thirds per measurement and boosting work efficiency substantia

Product Introduction Testable equipment scope: all types of vacuum circuit breakers, SF₆ circuit breakers, oil-filled high-voltage circuit breakers, load switches, GIS earthing disconnect switches, contactors, relays, air circuit breakers, etc. Measurable parameters & waveforms: circuit breaker operation time, phase synchronization, bounce time (number of bounces), stroke, velocity, operating voltage, operating current, actuation voltage, mechanical operation characteristics,

SF6 Gas Analyzer — Humidity, Purity & Decomposition Tester Model: XHJL309 | 3-in-1 Comprehensive SF6 Analyzer for GIS Substations Product Overview The XHJL309 SF6 comprehensive tester integrates a moisture meter, an SF6 purity meter and an SF6 decomposition products analyzer into a single instrument, replacing the functions of three separate devices. With one site survey, the operator completes the detection of all three indicators, saving up to two-thirds of the measurement

Karl Fischer Trace Moisture Tester Model: XHWS180 | Coulometric Titration Trace Moisture Analyzer Product Overview The XHWS180 trace moisture tester is developed based on the GB/T 7600 standard and adopts the Karl-Fischer coulometric titration method to measure trace moisture in different substances, which is recognized as the most reliable method for trace water content analysis. The instrument successfully applies this method with the most advanced automatic control circuit

XHXC105 Transformer Demagnetizer — dedicated equipment for eliminating the residual magnetism left in large power transformers and instrument transformers after DC resistance and voltage ratio tests, protecting them against inrush-current impact and supporting safe commissioning. Overview Because of the intrinsic hysteresis of ferromagnetic materials, residual magnetism remains in the iron core after operations such as voltage-ratio and DC-resistance measurement on a power

XHYY102M Insulating Oil Breakdown Voltage Tester — a high-accuracy, full digital instrument that measures the breakdown voltage of transformer insulating oil up to 80kV, with automatic microcomputer control. Overview The XHYY102M is a high-accuracy, full digital industrial instrument developed according to the relevant standards and regulations of insulating oil testing. The machine is easy to operate and beautiful in shape; because it uses automatic digital microcomputer

the XHHL3200 is a high-precision, digital switching test instrument that adopts high-frequency, high-power constant-current switching power-supply technology to measure contact resistance down to the micro-ohm level. Output current and measured resistance are shown together on a 7-inch high-brightness touch color LCD, and results can be output or stored on a USB flash drive, with power-off storage for data retrieval whenever needed. The instrument delivers accurate data and

SF6 Leak Detector (Qualitative) Qualitative SF6 Gas Leak Detection | 0.01-500ppm for Circuit Breakers Product Overview This qualitative SF6 leak detector is designed for fast, reliable detection of sulfur hexafluoride gas leakage from circuit breakers and SF6-filled equipment. The working principle is based on the fact that when the concentration of SF6 gas in the air changes, the ionization degree of the mixed gas under the action of a high-frequency electromagnetic field

Zinc Oxide Surge Arrester Live Tester | Wireless Series | XHDD405SC The XHDD405 wireless series live tester for zinc oxide arresters supports energized and non-energized detection for all voltage-class arresters. It helps identify critical defects such as internal insulation dampness and valve element aging at an early stage, reducing the risk of sudden arrester failures in service. It can test total current, resistive current and harmonics, power frequency voltage and

SF6 Quantitative Leak Detector | Sulfur Hexafluoride Gas Tester| XHJL306 The XHJL306 SF6 Quantitative Leak Detector is a portable, cordless gas leak detection instrument built around an advanced microprocessor with digital signal processing technology. It delivers precise quantitative detection of sulfur hexafluoride (SF6) leaks as well as all halogenated refrigerants, making it an essential tool for GIS switchgear maintenance, high-voltage equipment inspection and refrigerat

Contact Resistance Tester (Micro-Ohmmeter) Model: XHHL3200 | 200A Loop Resistance Tester for Switches & Circuit Breakers Product Overview The XHHL3200 contact resistance tester, also known as the micro-ohmmeter or loop resistance tester, is a high-precision digital switch detection instrument developed in accordance with IEC standards and the latest Chinese power implementation standard DL/T845.4-2004. It uses high-frequency high-power constant-current switching power supply

SF6 Quantitative Leak Detector | Sulfur Hexafluoride Gas Tester | XHJL306 The XHJL306 SF6 Quantitative Leak Detector works on the principle that air containing different SF6 concentrations, as well as gases containing halogens, is ionized differently under the action of a high-frequency electromagnetic field. This enables qualitative and quantitative detection of sulfur hexafluoride (SF6) and halogen-containing gases such as fluorine (F), chlorine (Cl), bromine (Br), iodine

Zinc Oxide Surge Arrester Live Tester | Wireless Series with Built-in Battery | XHDD405SC The XHDD405SC wireless series live testing device for ZnO arresters is used for both energized and de-energized tests of arresters of any voltage class. It can effectively discover hidden troubles like internal insulation moisture and valve plate deterioration at an early stage. It is capable of measuring total current, resistive current and harmonics, fundamental reference voltage and

Specialized in testing the dew point parameters of SF₆ gas applied in high-voltage circuit breakers and GIS combined electrical appliances, this instrument features a color LCD screen that clearly shows comprehensive metrics: dew point, micro moisture (ppm), ambient temperature, ambient humidity, time and date. Performance Features Self-calibration: The sensor probe can automatically calibrate the zero point; Fast and gas-saving: Each SF6 gas dew point measurement takes

High Voltage Circuit Breaker Analyzer | XHJJ302AC The XHJJ302AC high-voltage circuit breaker analyzer, also known as the high-voltage switch mechanical characteristic tester, can accurately measure the mechanical dynamic characteristic parameters of high-voltage circuit breakers of various voltage levels, including low-oil, high-oil, vacuum and sulfur hexafluoride (SF6) circuit breakers. The measurement data is stable with strong anti-interference capability, and experiments

Transformer Contact Resistance Tester (Micro-Ohmmeter) Model: XHHL3200SC | 220A Loop Resistance Tester with Built-in Battery Product Overview The XHHL3200SC contact resistance tester, also known as the micro-ohmmeter or loop resistance tester, is a high-precision digital switch detection instrument developed in accordance with IEC standards and the Chinese power implementation standard DL/T845.4-2004. It is designed for measuring contact resistance of various high-voltage