1. Feature: Professional,high quality UV meter Ultra-violet irradiation measurement for UVA&UVB UV detector spectrum from 290nm to 390nm HiLo measurement range 19990 and 1999 uWcm2 Exclusive UV sensor structure Sensor with consine correction filter Build zero button Microprocessor ...1. Feature: Professional,high quality UV meter Ultra-violet irradiation measurement for UVA&UVB UV detector spectrum from 290nm to 390nm HiLo measurement range 19990 and 1999 uWcm2 Exclusive UV sensor structure Sensor with consine correction filter Build zero button Microprocessor circuit provides high reliability and durability Seperate UV light probe allows user to measure the UV light at an position LCD displayeasy readout Heavy duty&compact housing case 2,Specification Dispaly LCD(