SEW 8025-LP Digital Loop/PSC Tester 

Features:

● Battery is not used.
● 3 ½ digit LCD (2000-count).
● Backlight function.
● 15mA loop measurement which will   not trip ELCBs.
● Convenient and easier for users to
   measure the loop impedance directly without bypassing the wires.
● Wiring check function.
● Over temperature protection.
● Over voltage protection.
● Built-in voltmeter.
● Built-in earth tester.
● Built-in loop/psc tester.
● Safety standard :
   EN 61010-1 CAT III 300V
   EN 61326-1