101-298 ELK-950 Power Line Surge Suppressor The 101-298 aligns to the ELK-950 power line surge suppressor. RJ31/38X telephone jack with solid-state transient suppression for telephone and low-voltage AC transformer inputs on compatible alarm control...

101-270 Battery LifeTester with Case The 101-270 Battery LifeTester is a compact service tool for testing 12 V rechargeable batteries. The ELK-BLT tester works as a Mhos meter that measures internal conductivity and displays battery voltage and Mhos...