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UT309 Series Professional Infrared Thermometers

UT309 series professional infrared thermometers can determine surface temperature through 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 necessary tool for engineers and technicians working in avarious fields such as electrical distribution inspection, HVAC maintenance, transportation equipment inspection and instrument repair etc.


Models in UT309 Series: UT309A, UT309C, UT309E

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Features of UT309 Series Professional Infrared Thermometers

Certificates: CE, UKCA

● 3m drop proof, IP65
● Large LED display with backlight

● High/Low temperature alarm with LED indication
● Lock measurement
● Data hold/auto power off

Specifications of UT309 Series Professional Infrared Thermometers

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

Applications of UT309 Series Professional Infrared Thermometers

UT309C series application 2
UT309C series application 3
UT309C series application 1
UT309C application

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