THERMOMETER IR DUAL FOCUS OPTRIS; Temperature Measuring Range:-35°C to +900°C; Accuracy %:0.75%; Operating Temperature Min:0°C; Operating Temperature Max:50°C; Product Range:-; Accuracy:± 0.75% or ± 0.75°C; Emissivity:0.100 to 1.100 adjustable; Laser Class:Class 2; Operating Temperature Range:0°C to +50°C; Resolution:75:1 (optical) 16mm at 1200mm or 1mm at 62mm; Response Time:150ms; Sensitivity:1 mm spot size; Spectral Response:8 to 14 um; Temperature Measuring Ranges °F:-30°F to + 1650°F; Weight:420g