751GD UV Visible SpectrophotometerDetailed product description：

1、 Product Description:

The 751GD UV visible spectrophotometer is the latest model of instrument in the 751 series products. It adopts a single-chip measurement circuit and maintains all the advantages of the 751 series products. At the same time, it also has its own characteristics, wider wavelength range, better stability, integrated lamp power supply and host, and more convenient intelligent operation.

2、 Purpose:
It can be used for scientific research in disciplines such as physics, chemistry, biology, medicine, pharmacology, etc. It can also be used for precision analysis in the chemical industry, food industry, pharmaceutical industry, metallurgical industry, petroleum industry, clinical medicine, environmental protection and other departments. It can measure the absorption spectra of various substances in the ultraviolet, visible and near-infrared regions, and perform qualitative and quantitative analysis of various substances.

3、 Characteristics:
1. Automatic zeroing, automatic full-scale adjustment, linear regression, concentration direct reading.
2. The lamp power supply is integrated with the host.
3. The wavelength in the ultraviolet region can reach 195nm.
4. Print data during dynamic measurement.

3、 Main technical specifications of 751GD UV visible spectrophotometer:

slit	0-2mm continuously adjustable
stability	Dark current: ± 0.2% T/3min Bright current: ± 0.5% T/3min
wavelength range	195mm～1000mm
Spectral system	Littrow self correction formula
Wavelength accuracy	± 0.2nm at 195nm-200nm ± 0.4nm at 200nm~360nm ± 0.7nm at 360nm~500nm ± 2.0nm at 500nm~700nm ± 4.8nm at 700nm-1000nm
Quasi diameter focal length	500mm
Transmittance range	0.0%T～110.0%T
Range of absorbance	-0041A～2.000A
Concentration measurement range	0～9999(C)
Timed time range	3-second-255s division value 1s
Timed printing times	1 to 99 times
Transmittance accuracy	±0.5%T
Transmission density repeatability	≤0.25%