Measuring Range: 0.0 to 199.9/1999/19990/199900 lx Automatic/manual selection of range | Resolution: 0.1 Lx ; 0.1 fc Accuracy: ±3%rdg, ±5dgts (standard A light source) 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

Light Range: 0.0~19990 fc ; 0.0~199900 lx; 0.1 fc Resolution: 0.1 Lx ; 0.1 fc Accuracy: ±3%rdg, ±5dgts | Sample Rate: 2 times/sec Auto Power Off: 30 minutes | Battery: Size AA battery x 2) Dimensions: 169x63x37 mm | Certificate of Traceable Calibration : Calibrated using Standards of NIST/USA or National Measurement Laboratory R.O.C (NML/ROC) | Weight: Approx.210g, Made in Taiwan

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