ISA Altanova Group
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Metal Oxide Surge Arrester Test Set
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Technical Specification


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This MOV- metal oxide varistor test system is the perfect device to perform analysis and diagnostics on metal oxide arrestors. It is supplied with a special current clip-on transformer designed for the measurement of current leakage.
• On-line diagnostic of metal oxide surge arresters
• According to IEC 60099-5 A1 “Diagnostic indicators of metal-oxide surge arresters in service”
• Third harmonic analysis of leakage current with compensation
• Extensive field experience
• Easy, fast and reliable diagnostic method
• Safe lightweight equipment
• Supplied with C 47-IS clip-on transformer specifically designed to measure leakage current losses in the presence of high electric and magnetic fields


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