| 
 Items 
 | 
 Technical Specification 
 | 
| 
 T31 
 | 
| 
 Detector characteristics 
 | 
 Detector type 
 | 
 Un-cooled FPA micro-bolometer 
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| 
 Array size/format 
 | 
 160×120 
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| 
 Image characteristics 
 | 
 | 
| 
 Field of view/min focus distance 
 | 
 25°×19°/0.1m 
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| 
 Spatial resolution(IFOV) 
 | 
 2.72mrad 
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| 
 Thermal sensitivity 
 | 
 ≤0.06℃@30℃ 
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| 
 Frame frequency 
 | 
 50/60Hz 
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| 
 Focus 
 | 
 Manual 
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| 
 Zoom 
 | 
 X2 
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| 
 Spectral range 
 | 
 8-14um 
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| 
 Image display 
 | 
 LCD display 
 | 
 3.5″ TFT LCD, 640 x 480 
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| 
 Measurement 
 | 
 Temperature ranges 
 | 
 -20℃- +350℃ 
 | 
| 
 Accuracy 
 | 
 ± 2 °C or ± 2% of reading, Whichever is greater 
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| 
 Measurement correction 
 | 
 Automatic / manual 
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| 
 Measurement mode 
 | 
 1 movable spots, Hottest spot/coldest spot tracking,1 movable areas (maximum, minimum and average temperatures),Alarm(voice, color) 
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| 
 Image control 
 | 
 6 color palettes changeable 
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| 
 Image adjustment  Auto/manual gain and brightness 
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| 
 Setup functions 
 | 
 Date/time, temperature unit, language 
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| 
 Emissivity correction 
 | 
 Variable from 0.01 to 1.0 
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| 
 Background temperature correction 
 | 
 Automatic corrections according to user input 
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| 
 Atmospheric transmission correction 
 | 
 Automatic correction according to user input object distance, humidity and temperature 
 | 
| 
 Image storage 
 | 
 Storage card 
 | 
 8G SD card, max 16G 
 | 
| 
 Storage mode 
 | 
 Manual/Auto single file saving 
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| 
 File format 
 | 
 Thermal: JPEG with original thermal measurement data included 
 | 
| 
 Power source 
 | 
 Battery type 
 | 
 Li-Ion, rechargeable 
 | 
| 
 Battery operating time 
 | 
 3 hours continuous operation 
 | 
| 
 Battery charging mode 
 | 
 Intelligent charger or power adaptor 12V(optional) to random charge 
 | 
| 
 Power saving 
 | 
 Auto-sleep and auto-shut down 
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| 
 External power 
 | 
 10-15V DC 
 | 
| 
 Environment 
 | 
 Operating temperature 
 | 
 -15℃– +50℃ 
 | 
| 
 Storage temperature 
 | 
 -40℃– +70℃ 
 | 
| 
 Humidity 
 | 
 Operating and storage:≤90% non-condensing 
 | 
| 
 Encapsulation 
 | 
 IP54 
 | 
| 
 Drop test 
 | 
 2m 
 | 
| 
 Anti-shock 
 | 
 25G,IEC68-2-29 
 | 
| 
 Vibration resistance 
 | 
 2G,IEC68-2-6 
 | 
| Physical characteristics | 
 Weight 
 | 
 980g 
 | 
| 
 Dimension 
 | 
 105*245*230mm 
 | 
| 
 Interface 
 | 
 SD card slot 
 | 
 Micro SD card slot 
 | 
| 
 External DC input 
 | 
 YES 
 | 
| 
 Video output 
 | 
 YES 
 | 
| 
 USB 
 | 
 Image, measurement data transfer 
 | 
| 
 Tripod 
 | 
 1/4″-20-UNC 
 |