China WT81,WT81B Digital Luxmeter Light Meter with Bluetooth Connectivity 0-200000 Lux Range and ±4% Accuracy for sale

WT81,WT81B Digital Luxmeter Light Meter with Bluetooth Connectivity 0-200000 Lux Range and ±4% Accuracy

Price Negotiable

Price: US$8.50~US$14.00

MOQ: 60

Delivery Time: 3-5 working days

Brand: WINTACT,BESTONE

Product Description

Digital Luxmeter Light Meter Handheld Type Illuminometer Wt81/Wt81b with Bluetooth

Introduction and Application

The digital luxmeter is a professional instrument for measuring illumination and brightness, designed for light intensity measurement engineering, quality control, illness prevention and treatment, and measurement of light intensity in various environments including factories, schools, offices, transportation routes, and households.

Key Features

Measure current illumination and temperature
Measure difference value, maximum value and minimum value
Switch between illumination and temperature units
Measurement range: 0~200,000 lux with automatic gear switching
Automatic storage and manual storage of illumination data
Automatic power off setting
Backlight and data holding functions
Bluetooth connectivity with companion app for enhanced operations (WT81B model only)

Technical Specifications

Parameter	WT81	WT81B
Bluetooth	No	Yes
Illumination Data Storage	Automatic storage	Max 1000 data groups, storage cycle set by app(WT81B)
Manual Storage	Max 67 data groups, manual operation	Max 67 data groups, manual operation
Photometer Head	Photodiode + cosine corrector + correction filter
Temperature Probe	NTC thermistor
Illuminance Range	0~200,000 Lux (4 ranges: ×1, ×10, ×100, ×1000)
Temperature Range	-9.9℃~49.9℃
Illuminance Accuracy	±3% (below 10,000 Lux), ±4% (above 10,000 Lux)
Temperature Accuracy	±1.0℃
Operating Conditions	0~40℃, 10~90% RH
Storage Conditions	-10~50℃, 10~90% RH
LCD Update Rate	2 times/second
Power Supply	3 × 1.5V AAA batteries
Dimensions	56.1 × 177 × 36mm
Weight	96.38g (excluding battery)