721/722 Spectrophotometer

Suitable for the material content and quantitative analysis of the visible spectrum area, can be widely used in factories, schools, biochemical, environmental protection, metallurgy, agriculture, food, petrochemical, medical and health, the scientific research unit laboratory, etc. Specially designed for industry and labs.
With backlit LCD screen
Automatic 0%(T) and 100%（T）calibration
Display of concentration data function

Technical Parameter
*Monochromator*	Single beam, C-T type, 1200 lines/mm grating
Detector	Silicon photodiode
Light Source	20W / 12V Tungsten lamp
Spectral Bandwidth	5nm	4nm
Wavelength Range	330~1000nm	325~1000nm
Wavelength Accuracy	±2nm
Wavelength Repeatability	≤1.0nm
Test Range	T：0~199.9% ，A：-0.3~2.5Abs，F：0~9999，C：0~9999
Transmittance Maximum Allowable Error	±0.5%T
Photometric Repeatability	≤0.2%T
Stray Light	≤0.5%T（360nm）
Stability/ Noise	Dark Current≤0.2%T Bright Current≤0.5%T