■Technical indicators and basic parameters

*Wavelength range: 320～1100nm

*Spectral bandwidth: 2.0nm

*Wavelength accuracy: ±0.5nm

*Wavelength reproducibility: 0.3nm

*Transmittance accuracy: ± 0.3% τ (0-100% τ)

±0.002A(0～0.5A)

±0.004A(0.5A～1A

*Transmission density repeatability: 0.15% τ

*Measurement methods: transmittance, absorbance, concentration, energy

*Luminous range:- 0.3～3A

*Stray light: ≤ 0.05% τ (360nm NaNO2 solution)

*Baseline straightness: ±0.002A

*Stability: ≤ 0.001A/h (after preheating at 500nm)

*Detector: Imported silicon photodiode

*Light source: imported tungsten lamp

*Power supply: AC： 220V/50Hz 110V/60Hz

*Power: 140W

*Instrument size: 530×420×205mm

*Net weight of the host: 18Kg

■Instrument characteristics

The latest designed VIS-723N is a universal visible spectrophotometer with scanning function, which can meet the requirements of various applications and can be used in fields such as biological research, biotechnology, drug analysis, pharmaceuticals, educational research, environmental protection, food hygiene, clinical testing, health and epidemic prevention.

*5nm, 2nm, 1nm, and three spectral bandwidths can be customized and installed according to user requirements at the factory to meet the strict requirements of the pharmacopoeia.

*Manual wide four connected cell, can meet the special requirements of various applications for wide and large colorimetric dishes, with a maximum sample cell size of 100mm

*Improved and optimized optical path design, large-scale integrated circuit design, imported light sources and receivers have created high performance and reliability.

*Rich measurement methods, including wavelength scanning, time scanning, multi wavelength measurement, multi derivative measurement (optional), dual wavelength, triple wavelength and other measurement methods, can meet different measurement requirements.

*Measurement data can be output through a printer with RS232 (RS485 and USB optional) interface

*Power off to save measurement parameters and data, convenient for users to use

*More precise and flexible measurement requirements can be achieved through PC control