Mini 4-in-1 High-Precision Optical Power Meter & Red-Light Visual Fault Locator — Portable Network Cable Tester (5km, 15km, 30km)

Compact 4-in-1 handheld optical power meter with an integrated red-light visual fault locator, designed for accurate measurements and fine workmanship. Lightweight and portable, it can fully replace a conventional optical power meter for field use. The unit inspects cable performance, calculates relative power loss, pinpoints faults and assists with troubleshooting. It also measures the length of network cables, coaxial cables and telephone lines, and can detect open, short and cross-connect conditions. Testing distance options include 5km, 15km and 30km.