UTi690B Infrared Thermal Imager Digital Thermal Imaging Camera with High Gain 20℃~150℃ Low Gain 150℃~550℃ for Floor Heating Industry Item Type: Thermal ImagerModel: UTi-690B Material: ABS Purpose: floor drain side leakage, electrical inspection, equipment maintenance Power Supply: rechargeable lithium battery 3.6V/5000mAh 26650 (including built-in battery) Sensor uncooled focal plane Temperature Measurement Range High Gain: ‑20℃~150℃ Low Gain: 150℃~550℃ Resolution 0.1℃ Accuracy ±2℃ / ±2%(whichever is greater) Temperature Measurement Response Time ≤500ms Thermal Imaging Pixels 49152 (256*192) Pixel Size 12μm Swatches Iron Red, Rainbow, White Hot, Black Hot, Red Hot, Lava, High Contrast Rainbow Infrared Spectrum Bandwidth 8~14μm Field of View (FOV) 56° (H) x 42° (V) Instantaneous Field of View (IFOV) 3. 8mrad Thermal Imaging Sensitivity <60mK Frame Rate <25Hz Temperature Measurement Display Tesing area temperature measurement (ROI), center point temperature measurement, High temperature tracking (default high temperature tracking) Image Format BMP Buttons 10 buttons (power on button, camera button, back button, left and right navigation buttons, SET button, picture browsing button, LED switch button) Image Mode Thermal imaging, digital camera (visible light), merge, picture-in-picture Temperature Measurement Point In addition to the center point, 3 temperature measurement points can be added Visible Light Yes Visible Light Resolution 640 x 480