TOOLTOP ET 638 Ethernet Cable Tester Multimeter with Optical Power Meter

TOOLTOP ET 638 Ethernet Cable Tester Advanced Features and Specifications

The ET 638 integrates multimeter functions with precision optical power measurement, allowing you to test copper and fiber-optic cables in a single tool. POE voltage testing capability identifies power delivery across network installations without interrupting service, while red laser tracing pinpoints cable routes through conduit and walls with pinpoint accuracy. The noise-free measurement system eliminates false readings that plague budget testers, ensuring your diagnostics remain reliable across noisy industrial environments and crowded network closets. Crimp quality assessment detects faulty RJ45 connections before they cause downtime, protecting your installation reputation and saving costly callbacks. The TOOLTOP ET 638 combines rugged construction with intuitive controls that technicians master in minutes, not hours.