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.

• 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	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

1. Datasheet - UNI-T UT381A

Device	Meter
Type	Illuminance