skip to Main Content
This product has been discontinued. Replaced by UT303A+/UT303C+/UT303D+ .

UT303A/UT303C/UT303D Infrared Thermometers (Discontinued)

UT303 series infrared thermometers can precisely target objects within 250ms with single spot laser for fast troubleshooting. They feature 30:1 D:S ratio, adjustable emissivity, powered by batter y or USB. UT303 can also be used for continuous monitoring through SCAN mode.


Models: UT303A, UT303C, UT303D


Features of UT303A/UT303C/UT303D Infrared Thermometers

● Adjustable emissivity; data hold

● LCD backlight
● USB interface
● ℃/℉ options; auto power off
● Optional (on/off) laser pointer
● MAX/MIN/AVG/DIF display
● Equipped with tripod installation hole
● Lock measurement function for continuous measurement

Specifications of UT303A/UT303C/UT303D Infrared Thermometers

Specifications UT303A UT303C UT303D
Temperature Range -32°C~650°C -32°C~1050°C -32°C~1250°C
-26°F~1202°F -26°F~1922°F -26°F~2282°F
Accuracy ±1.8°C or ±1.8% ±1.8°C or ±1.8% ±1.8°C or ±1.8%
Repeatability ±0.5°C or ±0.5% ±0.5°C or ±0.5% ±0.5°C or ±0.5%
Resolution 0.1°C/0.1°F 0.1°C/0.1°F 0.1°C/0.1°F
Distance to Spot Size 30:01:00 30:01:00 30:01:00
Response Time 250ms (95% of reading) 250ms (95% of reading) 250ms (95% of reading)
Emissivity 0.10~1.0 Adjustable 0.10~1.0 Adjustable 0.10~1.0 Adjustable
Laser Type Class 2 (Ⅱ) Class 2 (Ⅱ) Class 2 (Ⅱ)
Laser Power <1mW <1mW <1mW
Laser Wavelength 630nm ~670nm 630nm ~670nm 630nm ~670nm
Spectral Response 8μm~14μm 8μm~14μm 8μm~14μm
°C/°F Selection
Laser Switch
Display Hold (s) 8 seconds 8 seconds 8 seconds
Data Hold
Auto Power Off
Low Battery Indication
MAX Mode
MIN Mode
AVG Mode
LCD Backlight
Electricity Cut-off Memory
Tripod Mount
General Characteristics
Power 9V Battery (6F22) or USB
LCD Size 32mm X 29mm
Product Color Red and Grey
Product Net Weight 322g
Product Size 169mm X 138mm X 53mm
Standard Accessories Battery, Carrying Bag, USB Cable (External Power)
Standard Individual Packing Blister, English Manual
Standard Quantity Per Carton 20pcs
Standard Carton Measurement 628mm X 345mm X 468mm (0.101 CBM Per Standard Carton)
Standard Carton Gross Weight 13kg
Back To Top
Compare Models