HIKMICRO G31 Handheld Thermal Camera Model: G31 The HIKMICRO G31 Handheld Thermal Camera is purpose-built for professional thermography, predictive maintenance, and advanced temperature measurement applications. Engineered for industrial, electrical, HVAC, mechanical, and building inspections, the G31 enables users to quickly identify overheating components, insulation failures, mechanical wear, and energy losses with precision and confidence. The G31 incorporates a 640 × 480 high-sensitivity thermal detector with advanced SuperIR image enhancement up to 1280 × 960, delivering exceptional thermal clarity and fine detail recognition. Combined with an integrated 8 MP visual camera, it provides clear thermal and visual context to improve diagnostic accuracy and reporting quality. Designed for field efficiency, the G31 features a responsive 3.5” LCD touchscreen, intuitive measurement tools, and multiple imaging modes including thermal, visual, fusion, PIP, and blending. Manual focus ensures sharp imaging across varying distances, while real-time 25 Hz imaging allows for smooth live inspections. Built to withstand demanding job sites, the G31 features IP54-rated protection, 2-metre drop resistance, and an interchangeable Li-ion battery system—making it a dependable tool for daily professional use. Key Features 640 × 480 high-sensitivity thermal detector SuperIR image enhancement up to 1280 × 960 NETD < 35 mK for precise temperature differentiation 8 MP visual camera for clear reference imaging Thermal / Visual / Fusion / PIP / Blending imaging modes Wide temperature measurement range from −20°C to 650°C High accuracy: ±2°C or ±2% 3.5” 640 × 480 LCD touchscreen display Manual focus for precise image sharpness 1× to 8× continuous digital zoom Built-in laser pointer and LED work light Wi-Fi (2.4 & 5 GHz) and Bluetooth 4.2 connectivity Rugged IP54 housing with 2 m drop protection Interchangeable rechargeable Li-ion battery Specifications Specification Details IR Resolution 384 × 288 (110,592 pixels) NETD < 35 mK (@ 30°C, F#=1.0) Image Frequency 50 Hz Detector Pitch 17 μm Spectral Range 7.5 to 14 μm Focal Length 15 mm (Optional lenses available – see respective spec sheets) F-number F1.0 Field of View (FOV) 25° × 19° (Varies with optional lenses) Spatial Resolution (IFOV) 1.13 mrad (Varies with optional lenses) Focus Modes Laser Assisted AF / Continuous AF / AF / Manual Focus / Touch AF Startup Time Approx. 2 seconds SuperIR Yes (Captured images) Minimum Focus Distance 0.1 m (0.33 ft) Visual Camera 3264 × 2448 (8 MP) Display 800 × 480 Resolution, 4.3" LCD Touch Screen Screen Brightness Manual / Auto Digital Zoom 1× to 8× Continuous Image Modes Infrared / Visual / Fusion / PIP / Blending Color Palettes White Hot, Black Hot, Rainbow, Ironbow, Red Hot, Fusion, Rain, Blue Red Color Alarm Above / Below / Interval Color Alarm (Advanced) Above / Below / Interval / Insulation / Condensation Temperature Range 1 -20°C to 150°C (-4°F to 302°F) Temperature Range 2 0°C to 650°C (32°F to 1202°F) Accuracy (-20°C to 150°C) -20 to 0°C: ±2°C0 to 100°C: ±1°C100 to 150°C: ±1% Accuracy (0°C to 650°C) 0 to 100°C: ±2°C100 to 650°C: ±2% Measurement Tools Center Spot, Hot Spot, Cold Spot Custom Measurement Delta T, 10 Spots, 1 Line, 5 Rectangles, 5 Circles Level & Span Auto / Manual / 1-Tap Touch Screen Radiometric Capture Yes Image Storage Capacity Approx. 60,000 Images Annotations Voice Note (60 sec), Text Note (200 characters) Video Storage Capacity Approx. 54 Hours Video Format MP4 & Radiometric Video Image Format Radiometric JPEG Data Transfer UVC / Wi-Fi Storage Media Extendable 128 GB SD Card Wi-Fi 802.11 b/g/n (2.4 GHz & 5 GHz) Bluetooth Bluetooth 4.2 USB Interface USB Type-C LED Light Yes Wi-Fi Transmission Distance Indoor: 50 m (164 ft)Outdoor: 10 m (33 ft) Audio Yes Battery Type Interchangeable Rechargeable Li-ion Battery Operating Time Approx. 4 hours Charging Time Approx. 4 hours (Fully charged) Power Saving Mode Yes Protection Level IP54 (IEC 60529) Drop Test Height 2 m (IEC 60068-2-31) Safety IEC 61010-1 EMC EN 301 489-1; EN 301 489-17; EN IEC 61000-6-2; EN IEC 61000-6-3; EN IEC 61326-1; EN IEC 61326-2-2 Vibration 2 g (IEC 60068-2-6) Shock 25 g (IEC 60068-2-27) Working Temperature -20°C to 50°C Storage Temperature -20°C to 60°C Relative Humidity < 95% Non-condensing Weight Approx. 1058 g (2.33 lb) Dimensions 284.7 × 120.6 × 124.5 mm Tripod Mount UNC ¼”-20 Warranty 3 Years (Camera), 10 Years (Detector), 2 Years (Battery) Laser Yes – Class II, 635 nm,
