Save money when you buy the U5856A TrueIR Thermal Imager, the External battery charger (2-bay) and the Battery together in this great value bundle.The U5856A TrueIR thermal imager allows engineers to safely and efficiently identify potential faults without shutting down the systems or disrupting the productivity of an industrial plant. Temperature measurement range: -20 to -650°C. Range 1: -20 to +120°C. Range 2: 23 to +650°C. Thermal sensitivity: . Range 1: 0.07 °C (at 30 °C), Range 2: 0.5 °C (at 30 °C). Detector Resolution: 160 Ã- 120. Fine Resolution: 320 Ã- 240 (IR pixels). Frame rate: 9 Hz. Field of view: (FOV) 28° (H) Ã- 21° (V). Digital zoom Zoom ratio: 4Ã- continuous. Display: 3.5 Inch TFT. Visible camera: 3.1 MP. Quick access buttons: torch light, laser pointer, scaling and trigger functions. IP rating: IP 54. Dimensions (W Ã- H Ã- D): 95 Ã- 250 Ã- 85 mm. Weight: 0.746 kg (with battery). Key applications: Predictive maintenance in Industrial applications (electrical and mechanical inspection), Commercial or residential building diagnostics, HVAC\/R, diagnostic and energy audit, Electronics R & DTemperature Measurement Range = -20 - +650 °CThermal Sensitivity = 0.07 °C, 0.5 °CBest Temperature Measurement Accuracy = ±2 °CMaximum Temperature Measurement = +650 °CRefresh Rate = 9HzDetector Resolution = 160 x 120pixelFocus Type = ManualVisual Camera = YesDisplay Size = 3.5inMinimum Focus = 10 cm