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Hioki |
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NF Corporation |
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Tonghui |
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Article |
INSULATION / WITHSTANDING HiTESTER 3159-02 |
The Hioki electrical safety testers are designed for insulation resistance and voltage withstand testing of electrical devices and components according to various safety standards. The 3159 and 3159-02 tests insulation resistance at 500V or 1000V and withstand voltage of up to 500VA in sequence.
Key Features
• Continuous testing of insulation (500/1000 V) and withstand voltage (500 VA transformer capacity)
• Insulation to withstand series test or withstand to insulation series test at auto mode, or individual test at manual mode
• Save up to 10 test settings each for the withstanding and insulation testing modes
• External I/O, RS-232C interface, Status output (relay contacts) |
Materials and Plating for Harsh-Environment Connectors |
When designing connectors for use in applications in harsh environments, such as oil refineries, chemical plants, and industrial settings, special consideration must be given to protect not only the component but the end application as well. Depending on the market and application, protection requirements can include, but arent limited to, NEMA ratings, surge protection, EMI shielding, environmental sealing and reliability. Each of these requirements can be addressed by design considerations which include the connector materials and plating. |
Advanced Connector Innovations Support Alternative Energy Systems |
In advanced commercial markets – such as alternative energy – standards are being defined and product designs revolutionized, starting at the component level. Recent enhancements in connector technology, including insert and contact materials, housing designs, and manufacturing processes, have enabled connectors to be specified for applications in solar, wind and nuclear power, as well as in electric vehicles. In each application, these developments play an integral role in the development of advanced connector designs. |
A New Method of Protecting Against EMI and EMP in Aircraft Applications |
In commercial and military aircraft applications, EMC (electromagnetic compatibility) conformity, EMI (electromagnetic interference) and EMP (electromagnetic pulse) protection are paramount to maintaining the integrity of electronic signals, the information that is being transmitted, and consequently the overall performance of the device. Traditional methods of EMI and EMP protection include mounting additional devices to the circuit board. Yet, such solutions are costly, less effective, and do not conform to increasing real estate constraints. Alternatively, inroads are being made in EMI and EMP protection through mounting chip capacitors and TVS devices to flex circuits within a connector — as opposed to the circuit board — to protect against lightning induced transients, voltage surges, and electromagnetic interference and ESD pulses, all while conforming to the cost and size limitations of aircraft applications. |
Sourcing Connectors for Harsh Ship, Oil, Rail and Energy Environments |
Whether designing casualty power connectors for shipboard use, high power connectors for electric submersible pumps in oil wells, or high temperature connectors for use under railway cars, manufacturers must ensure that the parts function in these environments at all times. Materials selection is critical, and whether the connector is designed for submersible, high shock and vibration, high pressure or extreme temperature environments, customers need to know the connector they’ve selected is proven for such use. |
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