This unit is designed to measure the power of an optical signal. It’s portable and has easily operated features, designed for professionals who maintain fiber optic networks. This unit is widely applcable with its 6 wavelength selections. The measurement is a real-time measurement. It is a continuous test and any changes are recorded.Applications: Optic fiber engineering and sensor research, optic elements production and research and other fiber optic engineering. Features• 6 Optic wave length selection — 850nm / 1300nm / 1310nm / 1490nm / 1550nm / 1625nm • Switch between Absolute power and Relative Power readings • Compact design, lightweight, easy to carry, operate and low power consumption • Large LCD display screen shows the testing results, easy to read • Ergonomic with universal optic interface design • FC converter for FC/SC/ST interface • With auto power off (optional) and battery indicator • Comes with English, Deutsch, Francais, Espanol, Italiano user manual • Certification: CE, FCC, ROHSSpecifications• Measuring range: -70 ~ 6dBm • Wave Length: 850nm, 1300nm, 1310nm, 1490nm, 1550nm, 1625nm • Resolution: 0.05 • Accuracy:• ≥-48dBm, ±2dBm • ≤-48dBm, ±3.5dBm• Units: dBm, dB • Operation enviroment ≥-48dBm• Temperature: 0~40°C (32~104°F) • Humidity: 5~95%• Operation enviroment ≤-48dBm• Temperature: 0~32°C (32~89.6°F) • Humidity: 5~80%• Storage environment• Temperature: 0~40°C (32~104°F) • Humidity: 5~95%a• Auto power off (10minutes idle) • Weight: 59.22g (including battery) Set includes• 1 x Optical Power Meter SKU: 193 Categories: Cable Testers, Fibre Tester Brand: AZInstruments