YueFeng 721 Single beam of light Visible Spectrophotometer Test Transmittance/Absorbance
YueFeng 721 Visible Spectrophotometer is a single beam of light with transmittance/Absorbance metering method. The measuring range is 340nm~ 1000nm. The 721 Visible Spectrophotometer adopts 4-bit LCD display and has a special precision lamp holder.
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Features
Using a new single-chip microcomputer system, it has strong functions, small size and easy maintenance.
Use flame-retardant, insulating all-plastic shell, exquisite shape design, easy operation, high safety factor.
True 4-digit LCD display, large measurement range and high calculation accuracy.
Membrane keyboard, good hand feeling, dustproof, waterproof and easy to clean.
Professional optical system design, sealed grating monochromator, scientific anti-mildew technology, stray light elimination technology, significantly improve service life, stray light, stability, and photometric accuracy indicators.
The lens is used to condense the light to prevent the energy of the reflector from plummeting after being ablated for a long time.
Special precision lamp holder, you can replace the tungsten halogen lamp by yourself without having to adjust the optical path again.
Automatic adjustment of 0%, automatic adjustment of 100% and absorbance OA.

YUEFENG 721 Visible SpectrophotoMeterSpecifications
| LIST | VALUE |
|---|---|
| Optical inspection system | Single beam of light (1200/mm holographic light) |
| Light spectrum bandwidth | 4nm |
| Wavelength range | 340~1000nm |
| Wavelength Accuracy | ±2nm |
| Wavelength Repeatability | ≤1.0nm |
| Photometric range | 0~100%T、-0.050~3.000A |
| Photometric Accuracy | ±1.0%T |
| Luminosity, sexual repeability | ≤0.5%T |
| stray light | ≤0.5%T@360nm |
| Operating Mode | Transmittance, Absorbance |
| light source | Tungsten Halogen Lamp |
YUEFENG 721 Visible SpectrophotoMeter Packing list
complete-built unit X1, manual X1, certificate of conformity X1, warranty card X1
[Note] Because the manufacturer's packaging may be updated or upgraded, the detailed packaging list shall be subject to the latest standard configuration of the manufacturer.
FAQ
- How to define color tolerances using spectrophotometry?
- How does a Spectrophotometer measure the color of beer?
- Application of Spectrophotometer in Quantitative Analysis of Chemicals
- Application of Spectrophotometer in Spectral Reflectance
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