Rectifiers & Electronics manufactures High Frequency Spark Tester. . Rectifiers & Electronics is an ISO 9001:2000 certified company. Rectifiers & Electronics manufacture testing equipment such as AC/DC High Voltage Test Sets and Other Electrical High Voltage Test Equipment. The High Frequency Spark Tester is applicable in high speed precision works where seizing the maximum number of faults is required. It is also applicable in high speed Recoiling processes and high speed extruders. It ensures 95percent-98percent efficiency. This Short Circuit protected High Frequency Spark Tester is suitable for recoiling and extruder.