Insulation tester ST230

performanceACcable

ST230 Telephone Line Tester Brief Introduction This Telephone Line Tester is a portable and intelligent line fault tester which is designed following human engineering theory with the appearance style like barbell, adopting advanced technologies such as intelligent CPU, IC & SMT technology. It integrates various kinds of functions such as telephone and line performance test to be the one. Inner chargeable NI-MH battery can works about one week after full charging; the shell is made of the new type of material and it is solid. Main Functions ＊Telephone functions - Dialing, Receiving, Redial - Incoming call number display - Mute function - P/T transfer function - High DC voltage indication ＊Tester test - AC V & DC V test - Insulation test - Open test - Earth insulation ＊Call user & talk ＊Phone test ＊Check wire pairs ＊Monitor function ＊High AC voltage alarm ＊Under voltage self-checking