Shanghai Yoke Instrument Co., Ltd.

Visible spectrophotometer 721 instrument features:
1. The number of the figures shows the value of the measurement
2. Auto-zero automatic adjustment hundred
3. Use of original imported tungsten lamps to ensure the service life of the instrument
4. Large sample chamber, can be placed 10cm of color dishes
5. Optional output port RS232, can achieve the function of connecting printers and connecting computers
6. The instrument adopts the microcomputer processing technology, the operation is simple

Visible spectrophotometer 721 instrument parameters:
Optical system: Color difference Czerny-Turner (1200L/mm grating)
Wavelength range: 350-1020nm
Wavelength accuracy: .2nm
Spectral bandwidth: 6nm
Wavelength repeatability: 1nm
Transmission ratio accuracy: .1%T
Stability: .004A/h @500nm
Noise: .3%T
Stray light: .3% T@360nm
How it works: T, A, C
Zeroing: Automatic
Weight: 8kg
Output: No
Light source: domestic tungsten lamp
Print interface: optional
Net weight: 8KG
Photos range: 0-200%T, -0.3-3A, 0-9999C