Comprehensive Measurement Capability: Combines UV transmission, IR transmission, and light transmittance measurement functions in one device for thorough window film testing. Data Lock: Data can be locked on the screen post-measurement for easy reading. Efficient Operation: Provides rapid measurement with simultaneous display of UV, VL, and IR transmission values, offering instant insights into material performance. Portable & Easy-to-Use: Lightweight, compact design with battery operation (batteries not included) ensures portability and convenience for on-the-go measurements. Hign-concerned Chemical:None Power Supply:4 x AAA batteries(Not included batteries) Model Number:DY32A Type:Split Beam Spectrometers Item:Solar Film Transmission Meter Suggested Test Materials:Solar film Peak wavelength of visible light:530nm Infrared peak wavelength:940nm UV peak wavelength:365nm Resolution:0.1% Maximum thickness of the measured object:1mm Notice:In "Hold" state, the test data will not change even if the test sample is removed. To measure again, short press the "ON/Hold" button to cancel the "Hold" state and return to the "Measurement" state. The product appearance and printed words may vary depending on the batch, but this does not affect use. Colour:As Shown Material:ABS Package Contents: 1 * DY32A Host Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.