N2 visible spectrophotometer 

Features:

1. Measuring Class II Instruments

2. ARM processing core

3. Automatic wavelength

4. 5.6 inch color touch screen

5. Excellent qualitative and quantitative testing functions

6. Quickly initialize and enter the measurement state function

7. Tungsten lamp deuterium lamp life protection function

Instrument function:

1. It has various advanced functions such as full-band scanning, sub-band scanning, dynamic time scanning, automatic wavelength, linear regression, direct concentration reading, peak and valley detection, etc.

2. Using thermal printer, it can print detection data and fixed wavelength time scan data

3. With USB communication port, it can directly interact with PC. Optional special UV WIN8 software to realize data and map processing functions, and mass storage of test documents, and provide convenience for users' secondary development.

Power-off protection measures can memorize test data, scan graphs, regression equations, and instrument correction parameters, realize quick initialization at startup, and quickly enter the test state.

Technical Parameters:

Optical system: blazed holographic grating C-T monochromator

Wavelength range: 325-1000nm

Wavelength error: ±1nm

Wavelength repeatability: ≤0.5nm

Spectral bandwidth: 4nm

Stray light: 0.1% (T) (measured with NaNO2 at 360nm)

Transmittance range: 0.0%-200.0% (T)

Transmittance accuracy: ±0.5% (T)

Repeatability of transmittance: ≤0.2%(T)

Baseline flatness: ±0.003(A)(335-990nm)

Noise: 100%(T)≤0.2%(T) 0%(T)≤0.1%(T)

Drift: ≤0.002(A)/0.5h (2h after booting, at 500nm)