HD-A15 Spark Tester Product explanation: It is primarily used for detecting electrical faults in insulations and jackets. This machine is designed and manufactured to meet the requirements of UL1581 and UL2556 which is described as "spark test”. Features: * A bead-chain type of electrode is used. * Beads have a nominal diameter of 5 mm. * The longitudinal spacing of the chains is 13 mm. * The transverse spacing of the chains is 13 mm (the transverse rows of chain are staggered). Technical parameter: The input voltage: AC 220V 50Hz. The output voltage: 0~15KV adjustable. The fastest speeds of traveling: 400m/min. Electrode: bead-chain. Bead’s diameter: 5mm-0.2mm. Fault standard: Leakage current>600μA. External dimensions: 1500×950×340 mm (L×W×H).