Feature: 1. 【Broad Measurement Ranges & High Sensitivity】: With a detection spectrum spanning 290nm to 390nm, this ultraviolet tester accurately measures ultraviolet intensity from 10μW to 9999μW/c㎡ and 1nW to 30W/c㎡, as well as 0-99999mJ/c㎡ ultraviolet energy, which can accurately measure the ultraviolet intensity and ultraviolet energy. 2. 【LCD Display & Dual Unit Display】: The clear-definition LCD screen ensures clear and precise readings. It simultaneously displays ultraviolet intensity power and energy, with switchable units between mW and μW, providing a comprehensive view of the measurement data. 3. 【Real-Time Data & Multifunctional Design】: The digital sensor allows immediate measurements upon startup, delivering quick and sensitive readings. With data hold and auto-shutoff features, the tester conserves battery power and ensures that readings are easily captured and retained for later review. 4. 【User-Friendly Design & Long Battery Lifespan】: The tester is easy to use, featuring long-lasting rubber buttons for comfortable and stable operation. Its battery compartment accepts standard AA batteries, ensuring convenient replacement and prolonged usage without frequent recharging. 5. 【Versatile Applications】: Suitable for testing the building film, solar film, sunscreen, heat-insulating glass, etc. It can be widely used in the ultraviolet barrier performance test, ultraviolet source radiation intensity measurement/curing, meteorological and agricultural production, and other fields. Its reliability and accuracy make it a valuable tool for scientific research, industrial manufacturing, and quality control. Specification: Name: Ultraviolet Illuminometer Material: plastics Battery: 2 * 1.5V AAA battery (not included) Intensity measurement ranges: 10μW-9999μW/c㎡, 1mW-30W/c㎡ Energy measurement ranges: 0-99999mJ/c㎡ Ultraviolet wavelength ranges: 290nm-390nm(UVA/UVB) Intensity/energy accuracy: ±10%+10 Peaking wavelength: λP 310nm Sensor: digital sensor Sampling rate: 4 times/sec Incidence angle: 100 degrees Use of the environment: 10-50℃, maximum 80% RH, altitude