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China VIS-723S Spectrophotometer - Top Suppliers & Reliable Factory for Precision Measurement Solutions
Features
- ✦ 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 the world famous manufacturer 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., meet different measurement requirement.
- ✦ 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 offers a single beam wavelength scanning range of 320–1100nm, covering UV-Vis and near-infrared regions to meet a wide variety of analytical applications.
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 other bandwidths are available as optional configurations to satisfy different pharmacopoeia and laboratory requirements.
Q
What cell path lengths are compatible with this instrument?
The standard manual 4-cell holder accommodates cuvettes and cells with path lengths from 5mm to 50mm. An optional long path length cell holder of 100mm is also available for extended analytical needs.
Q
Can this spectrophotometer be connected to a computer for data analysis?
Yes. The instrument supports PC-controlled measurement via a USB port, enabling more accurate and flexible data acquisition and analysis. Data output can also be obtained through a printer port for convenient reporting.
Q
What measurement modes and methods does this instrument support?
The instrument supports working modes including Transmittance (T), Absorbance (A), Concentration (C), and Energy (E). Measurement methods include wavelength scan, time scan, multi-wavelength determination, multi-order derivative determination, double-wavelength method, and triple-wavelength method.
Q
Will data be lost if there is a power failure?
No. The instrument is designed to save all parameters and measurement data automatically in the event of a power failure, ensuring that your work is protected and can be resumed conveniently after power is restored.