Check the listing for details. OPM Optical Power Meter Digital Power Factor Meter, -70 ~ 6dBm with 6 Optic Wave. Condition: New. Listed at 59.90 USD. OPM Optical Power Meter Digital Power Factor Meter, -70 ~ 6dBm with 6 Optic Wave Length Item Description Designed to measure the power of an optical signal. Its portable and has easy operating features, designed for professionals who totally maintain the fiber optic network. This unit is widely applied with its 6 wave length selections. The measurement is a real-time measurement. It is a continuous test and any changes will be 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, ROHS Specifications: 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) Power: 2 x 1.5V AAA Battery Weight: 59.22g (including battery) Set includes: 1 x Optical Power Meter 2 x 1.5V AAA battery 1 x English User Manual Payment safe payment via paypal Shipping Free Worldwide Shipping Return 30 Day's returns