LS126A UV Light Meter

Suitable for UV LED curing

Ultra-small probe, narrowest width of 7.2mm
Wide spectral range: 340nm-420nm
With a high-speed sampling speed of 2048 times per second

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LS126A UV intensity meter is ideal for testing the intensity and energy of UVA band in UV LED light source, mainly contains 365nm, 375nm, 385nm, 395nm, 405nm band, mostly used in curing and exposure industry. The meter has a wide spectral response range, suitable for measuring various wavelengths from 365nm to 405nm. The width of the probe is only 7.2mm, which is applicable for measuring the narrow space where the ordinary probe is not easily placed.

LS126A UV intensity meter display
LS126A UV intensity meter display


Parameters LS126A UV Light Meter
Spectral response 340nm-420nm, calibrated with 395nm UV LED light source
Power measuring range 0 - 20000 mW/cm²
Resolution 1 mW/cm²
Energy measuring range 0-9999999mJ/cm2
Record time 0-99999s
(H is the standard value)
Sampling speed 2048 times/second
Optional unit mW/cm²(default), W/cm², W/m²
Test hole diameter ¢=3mm
Probe dimension 36mm ×7.2mm ×4.7mm(L*W*H)
Host dimension 170mm ×76mm×26mm (L*W*H)
Probe wire length 0.8m
Weight About 232g (with battery)
Display 240*160 dot matrix LCD
Battery 4 AAA alkaline dry batteries
Front side of the LS126A

Front side of the LS126A

Back side of the LS126A

Back side of the LS126A


The width of the probe is narrow, free from the limitations of measurement space

The probe adopts ultra-small size design, which can measure the narrowest width of 7.2 mm

High-speed acquisition

The probe collects data at a rate of 2048 times/second, enabling accurate calculation of UV energy

Data statistics function

The smart meter has intelligent data statistical function that is able to record the maximum, minimum, real-time and average power values of the UV energy and the cumulative energy value.

Wide spectral range

The spectral response of the instrument ranges from 340nm to 420nm. It is suitable for the detection of the intensity and energy value of LED light sources in narrow space of 365nm, 375nm, 385nm, 395nm, 405nm and other bands

Multiple measurement units available

There are three units to choose including mW/cm², W/cm² and W/m² which meets different needs of users

Operation Video


No. Item Quantity Unit
1 LS126A UV light meter 1 Pcs
2 AAA battery 4 Pcs
3 User manual 1 Pcs
4 Calibration Report 1 Pcs
5 Certificate/Warranty card 1 Pcs
6 Packing box dimension 34*29*9 cm(L*W*H) 1 Pcs
LS126A UV light meter package
LS126A UV light meter package

UV Light Meter Selection

More about UV Light Meter price, product selection, parameter comparison and question

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FAQ about LS126A UV Light Meter

  1. 1. The difference between LS126A and LS125 UV light meters (UVALED-X0 and UVALED-X1 probe)

    The functions of the LS126A UV light meter and the LS125 UV light meter host + UVALED-X0 or UVALED-X1 probe are basically the same. The probe width of LS126A is only 7.2mm, and the diameter of the test hole is 3mm, which is suitable for UV light source detection in a narrow space; the test hole diameter of the UVALED-X0 probe is 10mm, which is suitable for the detection of UV LED plane light sources; the test hole diameter of UVALED-X1 probe is 1mm, it's suitable for the detection of UV LED point light sources.



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