Name: Visible Spectrophotometer
Model: 721
Metering method: transmittance, absorbance Optical system: single beam, 1200 diffraction gratings
Wavelength range: 340nm-1000nm
Wavelength accuracy: ±2nm
Wavelength repeatability: ≤1.0nm
Spectral bandwidth: 4nm
Luminosity range: 0~100%(T), -0.050~3.000(A)
Transmittance accuracy: ±1.0% (T)
Repeatability of transmittance: ≤0.5% (T)
Stray light: ≤0.5% (T) (360nm, JB400)
Light source: tungsten halogen lamp
Name: Visible Spectrophotometer
Model: 722N/722S Photometric method: transmittance, absorbance, concentration factor, direct reading of concentration
Optical system: single beam, 1200 diffraction gratings
Wavelength range: 340nm-1000nm
Wavelength accuracy: ±2nm
Wavelength repeatability: ≤1.0nm
Spectral bandwidth: 4nm Luminosity range: 0~100%(T), -0.050~3.000(A)
Transmittance accuracy: ±1.0% (T)
Repeatability of transmittance: ≤0.5% (T)
Setting range: 0-9999 (concentration value or factor)
Stray light: ≤0.5% (T) (360nm, JB400)
Light source: tungsten halogen lamp
Output: RS232 interface/RS232 interface and PC software
Instrument characteristics
●Using a new type of single-chip microcomputer system with strong functions, small size and easy maintenance.
●Using flame-retardant, insulated all-plastic shell, exquisite appearance design, convenient operation and high safety factor.
●True 4-digit LCD display, large measurement range and high calculation accuracy.
●Optical system design, sealed grating monochromator, scientific anti-mildew technology, stray light elimination technology, significantly improve the service life, stray light, stability, and metering accuracy indicators.
●Precision lamp holder, you can replace the tungsten halogen lamp without adjusting the light path again.
●Automatically adjust 0%, 100% and absorbance 0A.
Logistics information
Our products are located in Hong Kong, China, and the logistics speed depends on your specific location. According to our experience, it usually takes about 15-20 days of transportation time
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How to choose the correct size:
Step 1 Please measure your foot length carefully.
Step 2 Please choose the correct size according to your foot length and chinese size.
For example, If your foot length is 255 mm , you should choose the size 8.
