Vis 721

Vis Model: 721 Instrument: Features beautiful appearance of the instrument, using a dedicated display with backlit LCD metal substrate, a light path is not easy to shift, stability function has T, A, C, F measurement function with auto 0 % T and 100% T features optional 10cm cuvette holder and 2,3,5,10cm cuvette 722 instrument to expand the measurement range Optional serial data printer to print data suitable for use in the visible region of the spectrum substance The content of the quantitative analysis, can be widely used in factories, schools, metallurgy, agriculture, food, chemical and biological, environmental, petrochemical, health care and various research institutions, laboratories 721,722 monochromator: Autocollimator type monochromator, 1200 line holographic grating monochromator from quasi-type, 1200 lines holographic grating Detector: Silicon photodiode Silicon LED light source: 20W / 12V tungsten halogen lamp 20W / 12V tungsten halogen lamps Spectral Bandwidth: 5nm 4nm wavelength range: 340 ~ 1000nm 325 ~ 1000nm wavelength maximum permissible error: ± 3nm ± 2nm Wavelength repeatability: ≤1.5nm ≤1.0nm stray light ≤1.0% T (at 360nm at) ≤0.5% T (at 360nm Office) Measuring range: T: 0 ~ 199.9% T , A: 0 ~ 1.999Abs, T: 0 ~ 199.9% T, A: 0 ~ 1.999Abs, F: 0 ~ 9999, C: 0 ~ 9999 F: 0 ~ 9999, C: 0 ~ 9999 transmittance than the maximum permissible error : ± 1.0% T ± 0.5% T Transmittance Repeatability: ≤ ± 0.3% T ≤0.2% T Stability: dark current <0.3% T, light current <1.0% T dark current <0.2% T, light current <0.5 % T Power: 220V ± 22V50Hz ± 1Hz 220V ± 22V50Hz ± 1Hz size: 470 × 350 × 200 (mm) 470 × 350 × 200 (mm) Weight: 8kg 10kg