1.Automatic wavelength settings
2.Color touch-screen LCD 7 inch
3.Sample compartment for 5-50mm cells
4.quipped with USB port
5.Precise automatic T/A changeover
6.Internal printer optional
7.Automatic zero and full scale adjustment
8.Software optional
9.Direct concentration read-out and concentration factor setting function
APPLICATIONS
Novel series spectrophotometer, being combined with an ARM processed core, has test speeds and functions possessed by high-end instruments. The instrument can meet the requirement of quantitative analysis for most samples conducted within the visible and ultraviolet-visible spectral range in conventional laboratories and is suitable for use in medicine and health, clinical examination, biochemical, petrochemical, environmental protection, quality control departments, colleges and universities and others.
COMMON FEATURES
1.A 7 -inch color touch screen and patented technology to achieve simple and effective human-computer interaction with a clear display of test data.
2.A built- in thermal printer (optional) to achieve printout of test results so as to facilitate the formation and retention of data reports.
3.A USB communication port and UVWIN8 professional data processing software (optional) to achieve data processing and mapping functions and storage of massive amounts of data files, and to facilitate the secondary development by customers.
4.Automatic wavelength setting, fast and accurate.
5.Functions such as wavelength scanning (S model only), kinetic time scanning, automatic wavelength, linear regression, direct read-out of concentration, peak detection, regular printing and etc.
6.Advanced power shut-down protection measures to memorize detected data, regression equation and instrument correction parameters to achieve fast initialization.
7.Tungsten lamp and deuterium lamp (UV model only) with lifetime protection.
SPECIFICATIONS
| Models | N4S (scanning) | N4 | N2S (scanning) | N2 |
| Optical system | 1200 lines/mm holographic grating, C-T monochromator | |||
| WL range | 200-1000nm | 325-1000nm | ||
| WL accuracy | ±1nm | |||
| WL repeatability | ≤0.5nm | |||
| Spectrum bandwidth | 2nm | 4nm | ||
| Transmittance accuracy | ±0.5%(T) (NBS930D) | |||
| Stray light | 0.1%(T)（220nm, NaI ; 360nm, NaNO2） | 0.1%(T)（ 360nm, NaNO2） | ||
| Transmittance repeatability | ≤0.2%(T) | |||
| Transmittance measuring range | 0.0%-200.0%（T） | |||
| Absorbance measuring range | -0.391~4.000（A） | |||
| Concentration range | 0.000~9999（C） | |||
| Baseline | ±0.003Abs (210-990nm ,S model only) | ±0.003Abs (335-990nm,S model only) | ||
| Noise | 100%(T)≤0.2%(T) 0%(T)≤0.1%(T) | |||
| Drifting | Drifting ≤0.002(A)/0.5h | ≤0.002(A)/0.5h | ||
| （at 250nm and 500nm,warm up 2h） | （at 500nm,warm up 2h） | |||
STANDARD ACCESSORIES
| User manual | 1pc |
| 1cm glass cuvette | 4pcs ( N2,N2S only ) |
| 1cm quartz cuvette | 2pcs ( N4,N4S only) |
| Power cable | 1pc |
OPTIONAL ACCESSORIES
Internal Thermal printer
10mm cuvette holder
50mm cuvette holder
UV WIN8 software
We are professional as one of the leading n2, n2s, n4, n4s uv-vis vis scanning spectrophotometer manufacturers and suppliers in China. Welcome to wholesale the high quality and durable laboratory equipment from our factory. And good after-sale service and timely delivery are offered.
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