Xiamen Jiahua Electrical Technology Co.,Ltd
Xiamen Jiahua Electrical Technology Co., Ltd., located at the scenic Xiamen State High-tech Venture Center - Xiamen Entrepreneur Park for Overseas Chinese Scholars, is a Sino-foreign Joint Venture engaged in high technology. The Company is aimed at the R&D, production, sales and technical services for products that are able to detect the failure inside the electrical devices, and boasts a technical backbone team with experiences in scientific research and a professional service team. The Company’s main scientific researchers are members of China Standardization Technical Committee in Electric Chemistry. Jiahua is the first company carryinig out the research in SF6 electrical equipment decomposition products and equipment state and the development of detection instruments in China. It is leading the industry for the diagnosis of the internal failure of SF6 electrical equipments and owns a number of patent technologies. During recent years, it has undertaken the compilation task of SF6 Electrical Equipment Gas Quality Supervision and Internal Failure Diagnosis, the training textbook of State Grid Corporation of China, and the establishement of industrial standard, Detection Method of SF6 Electrical Equipment Decomposition Products. JH3000 series SF6 electrical equipment decomposition products detector also won 2007 Free Venture Fund of Ministry of Science and Technology of China. JH4000 series SF6 electrical equipment gas comprehensive detector can detect more components and has more powerful functions. It is verified by National Measurement Institute that its all performance indexes meet the design standard and conform to the requirements of national standard related to the electrical and ambient condition of electronic instruments. Our company executes ISO9001/2000 quality management system strictly. Our products have been widely used in electrical science institutes and power generation and supply companies in 29 provinces and cities. In addition, the product has been used as a major method of factory inspection and field failure elimination by some manufacturers of SF6 electrical equipments, such as Xikai, Shenkai, Luneng yipawa and Siemens, which have avoided many accidents.
- 0591-83302478
- 0591-83302648
- export@jiahuatech.com
- Floor 3, Building# B, 7 Gaoshi Road,
Cangshan Science & Technology Zone
Fuzou, Fujian 350026
China
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product
SF6 Electrical Equipment Gas Comprehensive Detector
JH4000D-4
Xiamen Jiahua Electrical Technology Co.,Ltd
JH4000 series SF6 Electrical Equipment Gas Comprehensive Detector is a high precision, intelligent and portable comprehensive detector. It detects the main decomposition products, as well as SF6 purity and moisture content. It is reliable, accurate and stable. The user is able to make rapid and accurate judgment based on the content of main decomposition products, SF6 purity and moisture content. Inspected by authorities such as the National Institute of Metrology, the device, having excellent performance, complies with relevant international and national standards. It is a product recommended for use by the State Power Grid Company. This comprehensive detector is designed flexibly for the user’s choice. They can combine any two or three detection together. They can work simultaneously or separately, providing more complete measures for the inner fault diagnosis and it is an effective measure for preventive and corrective maintenance.
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product
SF6 Gas Moisture Detector
JH4000SF-1
Xiamen Jiahua Electrical Technology Co.,Ltd
SF6 gas moisture is not only a major item for gas quality acceptance but also a key index to evaluate installation, maintenance and operation of SF6 electrical equipments. In IEC60480-2004 Guidelines for the checking and treatment of sulfur hexafluoride (SF6) take from electrical equipment and specification for its re-use, moisture is listed as a detection item for SF6 fresh gas, equipment acceptance, preventive test and maintenance.
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Handheld SF6 Leak Detector
JHLK-1
Xiamen Jiahua Electrical Technology Co.,Ltd
JHLK-1 uses pumping method and intelligent digital sensor to measure SF6 concentration. It has high sensitivity and good repeatability. Insert type MCU control contributes to the reliable performance. Excellent interface features with complete function and easy operation. Clear 128*64 LCD, small and good design shape are convenient for handheld. Built-in high accuracy digital temperature and humidity sensors make it as an optional temperature and humidity measurement device.
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SF6 Gas Purity Detector
JH4000CD-1
Xiamen Jiahua Electrical Technology Co.,Ltd
Purity of SF6 gas is not only a major item for gas quality acceptance and evaluation of equipment installation and maintenance process, but also a reliable accordance for internal troubleshooting. According to gas purity changes, it can be judged whether the equipment has any serious fault.
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Portable GIS Partial Discharge Detector
JHPD-10
Xiamen Jiahua Electrical Technology Co.,Ltd
JHPD-10 quickly and accurately detects various kinds of partial discharge signals that occur with insulation defects in GIS. Attached on the surface of GIS the detector collects the inside discharge signal of impure gas, suspension potential and solid insulation material. The diagnostic software analyzes the fault character and locates the fault to avoid electricity accident. The device is for daily patrol inspection with high efficiency and easy operation features. Designed with two UHF signal channels, one detects the partial discharge signal; another excludes the disturbance signal like corona discharge in the air and mobile phone communication.
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SF6 Density Meter Tester
JHMD-1
Xiamen Jiahua Electrical Technology Co.,Ltd
JHMD-1 is a smart tester. By using high accuracy core units, pressure sensor, A/D, D/A transducer, 32 bit ARM MCU and TI company’s high speed signal chip, it can automatically calibrate the density relay, measure pressure at signal activity temperature, convert pressure from any temperature to 20℃ standard pressure, print test data and save for review. It identifies the fault during the test. The whole procedure is under automatically operation, JHMD-1 is a high accurate, high stable, reliable tester.
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product
SF6 Decomposition Products Detector
JH4000A-4
Xiamen Jiahua Electrical Technology Co.,Ltd
JH4000A-4 SF6 Electrical Equipment Decomposition Products Detector is a high precision, intelligent and portable device, able to make judgment rapidly and correctly based on the content of main decomposition products of insulation materials inside the SF6 electrical equipment like SF6 circuit breaker, instrument transformer, GIS and transformer. It detects SO2+SOF2, H2S, CO and HF. It is reliable, accurate and stable. Inspected by authorities such as the National Institute of Metrology, the device, having excellent performance, complies with relevant international and national standards. It is a product recommended for use by the State Power Grid Company. Decomposition products detection provides reliable evidence for the internal fault diagnosis and it is an effective measure for preventive and corrective maintenance.
