Fluke FLK-1662 DE Installation Tester (FLK-1662 DE). The Fluke 1662 Multi-Function Installation Tester offers solid, basic installation test functions. The Fluke 1662 Installation Tester gives you Fluke reliability and all the basic test performance you need for everyday installation testing. It meets all local codes and is easy and intuitive to use. Additional helpful functions such as the on/off autostart for RCD and loop test and self-test save time and give you more confidence in your results. Measures RCD switching time and tripping level (ramp test). Measures the tripping time and current for RCD type A and AC in one test. Measures the RCD variable current. Provides an automatic RCD test sequence. Includes a Z-max loop test memory to support easy evaluation of the highest loop test value. Provides a unique zero adapter for fast, reliable and accurate test lead and mains cable compensation. Includes a phase sequence indicator. Supplied with hard case, padded carrying and waist strap and remote control probe and cable.