Measure UV Light In The Environment Monitoring And Process Control - Removable Probe For Easy Access To The Source - Measuring Range Fully Covering UVA And UVB - Large LCD Display For Easy Reading - Auto Power Off Function - Max/Min Function Measuring Range: 1 to 3999 uw/cm2 ; 0 ...Measure UV Light In The Environment Monitoring And Process Control - Removable Probe For Easy Access To The Source - Measuring Range Fully Covering UVA And UVB - Large LCD Display For Easy Reading - Auto Power Off Function - Max/Min Function Measuring Range: 1 to 3999 uw/cm2 ; 0.01 to 39.99 mw/cm2 Automatic/manual selection of range Sensitivity Wavelength Region (nm): 260nm~395nm Wavelength for Calibration (nm): 365nm Accuracy: ±3%rdg, ±5dgts Response Time: 0.5 sec Temperature characteristics: ± 0.1% / °C (away from 25°C) Battery: Size AA battery x 2 Certificate of Traceable Calibration : Calibrated using Standards of NIST/USA or National Measurement Laboratory R.O.C (NML/ROC) Dimensions: 169x63x37 mm Weight: Approx.210g Meter Made in Taiwan