Function: can measure 8 standdard wavelengths 850/980/1300/1310/1490/ 1550/1625/1650nm, test range: -70dBm~+6dBm, Integrated OPM, VFL, and RJ45 Functions. Support lighting,Support automatic shutdown,Support backlight selection, Support wavelenghth memory function,Support user calibration. UK Specialists in Fibre Optic Test Equipment & Structured Cabling — Aligned with BS EN Compliant Solutions for Data Centres & ICT Installers Taxes included. Shipping calculated at checkout. Brand: FIBAsource Description: Experience seamless connectivity with our FIBAsource Optical Power Meter. With this power meter it is very easy to measure the signal strength on optical fiber which allows to quickly find over modulations and defective cables. The device is very handy and as it works with battery. Includes: Fiber Optic Power Meter, Instruction Manual, Protective Cover, (3) AA Batteries (required for operation), (2) Cleaning Swabs, USB-C Cable (required for data transfer), FC Adapter, SC Adapter, FC-LC Adapter (Singlemode Only), Protective Carrying Case. Equipped with a powerful laser head for enhanced penetration and precision. 【Accurate Optical. The PM60 and PM61 Series of Fiber Optic Power Meters are robust, full-featured, handheld instruments, which together cover the full range of optical fiber applications within the 400 - 1700 nm range with optical powers ranging from -70 dBm to +23 dBm (100 pW - 200 mW).