Visible Spectrophotometer ME-721
Features
l Using microprocessor control technology, testing the qualitative and quantitative analysis of the uv-vis spectra.
l Measurements using single operation, the linear regression equation
l Wavelength adjust manually
l Operating mode : T/A/C/F
Specifications
Model | ME-721 | ME-722 |
Sample room | Hold 5 to 50 mm all kinds of cuvette | Hold 10 to 50 mm all kinds of cuvette |
Spectral bandwidth | 6nm | 5nm |
Wavelength Range | 350nm~1000nm | 325-1020nm |
Wavelength Accuracy | ±3nm | ±2nm |
Stray light | ≤0.4%(T) | ≤0.3%(T) |
Wavelength Repeatability | 1nm | |
Photometric accuracy | ±0.5%(T) | |
Photometric Repeatability | 0.2%T | |
Transmittance Repeatability | ≤0.2%(T) | |
Stability | Dark current drift:≤0.2%(T)/3min ; Light current drift:≤1%(T)/3min | |
Minimum resolution | 1nm | |
Detector&light source | Imports of silicon photodiode & tungsten lamp | |
Output | ---- | RS232 |
Power | AC 85~230, 50Hz/60Hz | |
Size&Weight | 380*300*180mm & 4kg | |
