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Description
UNI-T UT381AIlluminance Meter, Range: 0~400000 lx, Resolution: 0~99. 99 lx (99. 99 fc), MAX MIN AVG, Data Hold, Auto Power OFF, Backlight, Bluetooth APP, Data Record: 99 Sets, Real Time, 235x64. 5x39. 8mm Illuminance Meter Overview UT381A is a safe and reliable digit light meter with wide range measurement, widely used in lighting applications, laboratory, office, street lights construction, commercial venue and others. Features Wide measurement range, 0~400000
Illuminance Meter, Range:0~400000 lx, Resolution:0~99.99 lx (99.99 fc), MAX/MIN/AVG, Data Hold, Auto Power OFF, Backlight, Bluetooth APP, Data Record:99 Sets, Real Time, 235x64.5x39.8mm
Illuminance Meter
Overview
UT381A is a safe and reliable digit light meter with wide range measurement, widely used in lighting applications, laboratory, office, street lights construction, commercial venue and others.
Features
- Wide measurement range, 0~400000 lx
- Probe of integrated, split and rotatable design
- Data storage
- Bluetooth APP connection supported
- Color Correction Coefficient(CCF)
- Real-time display
Specifications
| Specifications | UT381A | |
| Certificates | CE, UKCA, RoHS | |
| Resolution | 0~99.99 lx (99.99 fc) | 0.01 lx (0.01 fc) |
| 100~999.9 lx (999.9 fc) | 0.1 lx (0.1fc) | |
| 1000~400000 lx (37160 fc) | 1 lx (1fc) | |
| Accuracy | ±3% calibration as per standard light source when in 2856K. | |
| ±6% calibration as per other visual light source. | ||
| Unit Switch | lx、fc, 1fc=10.764 lx | |
| Auto Range Switch | Yes | |
| MAX/MIN/AVG | Yes | |
| Data hold | Yes | |
| Color Correction Coefficient（CCF） | Yes | |
| Backlight | Yes | |
| Bluetooth APP | Yes | |
| Data Record | 99 sets | |
| Record Interval | 1~59 seconds | |
| Measuring Methods of Probe | Integrated(rotatable)、split design | |
| Real-time | Time is automatically updated with manual setting or phone APP connection. | |
| Over-range Indication | OL display | |
| Low Battery Indication | Auto power off when low battery icon flashes for 10s | |
| Auto Power Off | Auto power off if no operation in 10 seconds. (cancelable) | |
| Battery | AAA*3 | |
| Battery Life | Over 100 hours（Alkaline batteries，Bluetooth and Backlight is off.） | |
| Working Temperature and Humidity | -10°C~50°C，＜90%Rh(non-condensing) | |
| Storage Temperature and Humidity | -20°C~70°C, ＜80%Rh(non-condensing) | |
| Weight | About 257g, not battery included | |
| Characteristic | ||
| Standard accessories | 1*Quick start guide, 3*1.5V AAA battery, 1*Strap, Safety instructions, gift box | |
| Power | 3*1.5V AAA battery | |
| Product size | 235*64.5*39.8mm | |
| Product net weight | 257g | |
| Standard quantity per carton | 5pcs | |
| Standard carton size | 395×290×160mm | |
Downloads
Additional Information
| Device | Meter |
| Type | Illuminance |
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.7 ★★★★★
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Product Reviews
★★★★★ 4
Great product
I love the smell of the oil. I will recommend this and I am buying it again. It’s easy to use and application is easy. It’s very effective and keeps my beard moist.
Definitely buying again
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Reviewed in the United States on April 9, 2026
★★★★★ 5
Very good so far for fine hair
I can’t speak to its effectiveness on regrowth yet. However, it made my hair feel really soft and after washing it didn’t weigh it down. Also made it very shinny and helped with the winter static!
My scalp also felt good!
I will continue to use this. The smell is heavy coffee, but not bad!
I use the artnaturals brand a lot.
I have fine hair and a medium amount.
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Reviewed in the United States on February 2, 2026
★★★★★ 3
Smells strong
Package was delivered YESTERDAY. Haven't had time to evaluate the product. Only comment is the smell is pretty strong but dissipates within 15 minutes.
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Reviewed in the United States on June 3, 2026
★★★★★ 5
Overall effectiveness
It decreases the amount of breaking when combing my hair. 100% moistturizing my scalp and hair.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 21, 2026
★★★★★ 5
love this
leaves my hair soft and smells nice.
i have seen some growth since i began using
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 19, 2026