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UNI-T UT309E Professional Infrared Thermometer

UNI-T UT309E Professional Infrared Thermometer

UT309 series professional infrared thermometers can determine surface temperature by measuring infrared energy radiated by the target surface. It is designed to meet one of the highest protection ratings in UNI-T’s product line, with IP65 and 3m drop-proof. With a rapid response rate of 250ms, high measuring accuracy, and multiple scanning modes, UT309 proves to be a necessary tool for engineers and technicians working in various fields such as electrical distribution inspection, HVAC maintenance, transportation equipment inspection instrument repair, etc.


Regular price £75.99
Regular price Sale price £75.99
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Price with tax: £91.19

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  • 3m drop proof, IP65
  • Large LED display with backlight
  • MAX/MIN/AVG/DIF mode
  • High/Low-temperature alarm with LED indication
  • Lock measurement
  • Data hold/auto power off
  • Certificates: CE, UKCA

specification & comparison


Specifications UT309A UT309C UT309E
Temperature range -35°C~450°C -35℃~650℃ -35℃~850℃
-31°F~842°F -31℉~1202℉ -31℉~1562℉
Accuracy ≥0°C: ±1.8°C or ±1.8%
<0°C: ±(1.8°C+0.1°C/°C)
≥32°F: ±3.6°F or ±1.8%
<32°F: ±(3.6°F+0.1°F/°F)
Resolution 0.1°C/0.1°F
D:S ratio 10:1 12:1 20:1
Response time 250ms (95% of reading)
Emissivity 0.95 0.1~1 adjustable 0.1~1 adjustable
Number of lasers Single laser Dual lasers Dual lasers
Laser type Class 2
Laser power <1mW
Laser wavelength 630nm~670nm
Spectral response 8μm~14μm
°C/°F selection/Laser switch
Display hold(s) 8
Data hold/Auto power off
Low battery indication
Lock measurement
High alarm (red LED)
Low alarm (blue LED)
LCD backlight
Tripod mounting hole
General Characterisitics
Power 9V battery (6F22)
Display 32mm x 29mm
Product color Red and grey
Product net weight 292g
Product size 189mm x 118mm x 55mm
Standard accessories PC software CD, carrying bag
Standard individual packing Gift box, blister, English manual (UT309A/C only: German, French, Spanish optional)
Standard quantity per carton 10pcs
Standard carton measurement 430mm x 335mm x 330mm
Standard carton gross weight 6.5kg