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China VIS-723S Spectrophotometer - Reliable Suppliers & Factory for Quality Optical Measurement Solutions
Features
Key Product Highlights
- Single beam wavelength scanning in whole wavelength range of 320~1100nm.
- Five options for spectral bandwidth selection: 5nm, 4nm, 2nm, 1nm, and 0.5nm, made according to customer's need and satisfy the requirements of pharmacopoeia.
- Standard manual 4-cell holder accommodates cells from 5–50mm and changeable to long path length cell holder of 100mm.
- Optional accessories such as peristaltic pump automatic sampler, water constant temperature sample holder, peltier temperature control sample holder, single slot test tube sample holder, film sample holder.
- Optimized optics and electronics design; light source and detector from world-famous manufacturers ensure high performance and reliability.
- Rich measurement methods: wavelength scan, time scan, multi-wavelength determination, multi-order derivative determination, double-wavelength method and triple-wavelength method etc., meeting different measurement requirements.
- Data output can be obtained via a printer port.
- Parameters and data can be saved in case of power failure for user's convenience.
- PC controlled measurement can be achieved via USB port for more accurate and flexible requirements.
Specifications
| Wavelength Range | 320–1100nm |
| Spectral Bandwidth | 2nm (5nm, 4nm, 1nm, 0.5nm optional) |
| Wavelength Accuracy | ±0.5nm |
| Wavelength Reproducibility | ≤0.2nm |
| Monochromator | Single beam, plane grating of 1200L/mm |
| Photometric Accuracy | ±0.3%T (0–100%T) |
| Photometric Reproducibility | ≤0.2%T |
| Photometric Range | -0.301~2A |
| Working Mode | T, A, C, E |
| Stray Light | ≤0.1%T (NaI 220nm, NaNO2 360nm) |
| Baseline Flatness | ±0.003A |
| Stability | ≤0.002A/h (at 500nm, after warming up) |
| Light Source | Tungsten halogen lamp |
| Detector | Silicon photodiode |
| Display | 7 inches colorful touch screen |
| Power | AC: 90–250V, 50V/60Hz |
| Dimensions | 470mm × 325mm × 220mm |
| Weight | 8kg |
Frequently Asked Questions
Q
What is the wavelength range of this spectrophotometer?
This spectrophotometer covers a full wavelength range of 320–1100nm, making it suitable for a wide variety of UV-Vis analytical applications in research, pharmaceutical, and quality control environments.
Q
How many spectral bandwidth options are available?
There are five spectral bandwidth options: 0.5nm, 1nm, 2nm, 4nm, and 5nm. The default is 2nm, and the others are available as selectable options to meet different analytical precision requirements, including those set by pharmacopoeia standards.
Q
What types of cuvettes or cell holders does this instrument support?
The instrument comes with a standard manual 4-cell holder that accommodates cells from 5–50mm path length. It can also be upgraded to a 100mm long path length cell holder. Optional accessories include peristaltic pump automatic samplers, water constant temperature sample holders, Peltier temperature control holders, single slot test tube holders, and film sample holders.
Q
What measurement modes and methods does this spectrophotometer support?
The instrument supports working modes T (Transmittance), A (Absorbance), C (Concentration), and E (Energy). Measurement methods include wavelength scan, time scan, multi-wavelength determination, multi-order derivative determination, double-wavelength method, and triple-wavelength method, accommodating a broad range of analytical needs.
Q
Can this spectrophotometer be connected to a PC for computer-controlled operation?
Yes. The instrument features a USB port that enables PC-controlled measurement, providing more accurate, flexible, and automated data management. Data can also be output via a printer port for hardcopy records.
Q
Will data be lost if there is a power failure?
No. The spectrophotometer is designed to retain all parameters and measured data even in the event of a power failure, ensuring that your work is protected and results remain accessible when power is restored.