FLUKE TIS55+ THERMAL CAMERA TECHNICAL SPECIFICATIONS: DISPLAY: 3.5» (8.9 CM LANDSCAPE) TOUCHSCREEN 640 X 480 LCD RESOLUTION: 256 X 192 (49,152 PIXELS) TEMPERATURE MEASURING: MEASURE UP TO 550 °C IFOV: 1.91 MRAD FIELD OF VIEW: 28° X 20° MINIMUM FOCUS DISTANCE: 0.15 M FOCUS SYSTEM: MANUAL FOCUS THERMAL SENSITIVITY: 40MK BUILT-IN DIGITAL CAMERA (VISIBLE LIGHT): 640 X 480 FRAME RATE: 27 HZ MODELS DEW-POINT CALCULATION INTERNAL MEMORY: #500 IMAGES YLNG TAG NO.: WORKSHOP EQUIPMENT MANUFACTURER : 101456 FLUKE MANUFACTURER PART NUMBER: FLK-TIS55+ 27HZ