Additional Features: Microprocessor-Based Design 4-Line x 20-Character Display One-Touch Zero Displays Fields in Any Unit: mW/cm2,W/m2, V/m, A/m, V2/m2,A2/m2,pJ/cm3 and Percent of International Standards Intuitive Operation with Help Screens Sophisticated Data-Logging Time and Spatial Averaging with Data Storage Fiber Optic and Cable Inputs RS232 Interface Calculates Percent of Standard Small, Lightweight, Ergonomic Design The Narda 8718 is a hand-held, battery-powered meter designed to simplify the measurement of electromagnetic fields. It can be used with any Narda 8700 Series probe.The meter enables you to perform both simple measurements and more demanding ones that require averaging and/or data logging. It can be mounted on a tripod and used with optional fiber optic links for enhanced accuracy in certain applications.