Uni-T UT309C Professional Dual Infrared Laser Thermometer (-35 ~ 650°C)

UT309C Handheld Dual IR Laser Professional Infrared Thermometer Range -35C-600C High and Low-Temperature Alarm Function

$190.99 ex. GST
$219.64 incl. GST

Availability: In stock

Everyday Low Trade Price
Free Delivery within New Zealand*
30 Day Hassle Free Returns

The UT309C is a top-selling professional dual laser targeting infrared thermometer that offers far superior temperature measurement and is a function packed device that includes being drop proof.

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 250 ms, 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 services inspection, HVAC maintenance or refrigeration, transportation equipment inspection and instrument repair etc.

Uni-T is one of the leading Test and Measurement solutions provider in the world and a prestige test meter brand throughout Asia. They are well known for high quality and affordable test and measurement products.

UT309C Professional Dual Infrared Laser Thermometer Features:

    • 3m drop proof
    • IP65
    •  Large LED display with backlight
    •  MAX/MIN/AVG/DIF mode
    • 12:1 Distance to spot ratio
    •  High/Low-temperature alarm with LED indication
    •  Dual laser measurement to enhance the accuracy
    •  Locking measurement: no need to keep pressing the trigger for continuous testing
    •  Adjustable emissivity: adjust according to different testing materials
    •  Data hold, auto power-off function
    • 12-month warranty.

UT309C Professional Dual Infrared Laser Thermometer Includes:

1 x UT309C, Batteries, 1 x English user manual, and 12-month warranty.

UT309C Professional Dual Infrared Laser Thermometer Specifications:

Specifications Range
Model UT309C
Temperature  -35 ~ 650°C
 -31 ~ 1202°F
Temperature testing precision ≥0°C: ±1.8°C or ±1.8% of reading, whichever is greater
<0°C: ±(1.8°C + 0.1°C/°C)
≥32°F: ±3.6°F or ±1.8% of reading, whichever is greater<32°F: ±(3.6°F + 0.1°F/°F)
Repeated accuracy ±1.0°C (1.8°F) or 0.8% of reading, whichever is greater
Display resolution 0.1°C/0.1°F
D:S (Distance and Spot Diameter Ratio) 12:1
Response time 250ms (95% readable)
Emissivity (adjustable, step length: 0.01) 0.10 ~ 1.0 adjustable
Laser count dual laser
Laser type type 2 (Ⅱ)
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
Locking measurement
High-temperature alarm (red LED)
Low-temperature alarm (blue LED)
LCD backlight
Power-off memory
Protection grade IP65 ( Protected from total dust ingress & low-pressure water jets from any direction)
Drop test 3m
Tripod mounting holes
General Characteristics
Power supply 9V battery (6F22)
LCD size 32mm × 29mm
Device color red and grey
Device weight 292g
Device size 189mm × 118mm  × 55mm
Standard accessoriesB attery
Standard individual packing Blister, user manual



UT309C Professional Dual Infrared Laser Thermometer English Manual

UT309C Professional Dual Infrared Laser Thermometer Flyer

Shipping, Delivery and Returns

Delivery and Returns:

Delivery is by courier from Auckland, delivery times may vary. All Auckland orders are delivered the next business day, other main business centres and standard areas are within two-three business days from payment.
All rural areas are subject to normal rural delivery times.
For more details on delivery please feel free to contact us before ordering. Please contact us for Return Authorisation before returning.

Satisfaction Guarantee:

If you are not completely satisfied with your purchase, simply contact us to return it within 30 days in the original packaging and condition supplied for a full refund.

Warranty Information:

Unless specified all products carry a minimum 12-month manufacturer’s return to base warranty. HVACTOOLS will provide full support for this warranty. All products that are found to be faulty within 30 days of purchase will be replaced with brand new products.

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