English
The cheap 721 spectrophotometer is a vis spectrophotometer and low cost spectrophotometer.It is based on the principle of spectrophotometery and can measure the transmittance, absorbance, concentration factor& concentration direct reading of liquid samples.The 721 economic spectrophotometer is widely used in food,drinking water plants,metallurgy, chemical industry, machinery, medicine, education etc.
1.721 vis spectrophotometer and cheap price
2.Adjust automatically 0%A and 100%T.
3.Direct concentration read-out and concentration factor setting function
4.Software/printer port optional
| Model | V721 | V722 | UV752 |
| Optical System | Single Beam | Single Beam | Single Beam |
| Wavelength Range | 340-1020nm | 330-1020nm | 195-1020nm |
| Spectral Bandwidth | 6nm | 5nm | 5nm |
| Wavelength Accuracy | ±3nm | ±2nm | ±2nm |
| Wavelength Repeatability | 1nm | 1nm | 1nm |
| Photometric Accuracy | ±1%T | ±0.5%T | ±0.5%T |
| Photometric Repeatability | 0.5%T | 0.2%T | 0.2%T |
| Stray light | 0.5%T | 0.3%T | 0.3%T |
| Stability | 0.004A | 0.002A | 0.002A |
| Wavelength Setting | Manual | Manual | Manual |
| Display | 4 LCD | 4 LCD | 4 LCD |
| Light Source | Tungsten lamp | Tungsten lamp | Deuterium&Tungsten lamp |
| Detector | Silicon Photocell | Silicon Photocell | Silicon Photocell |
| Cuvette Holder | 10mm | 10mm | 10mm |
| Power supply | AC 220V/50Hz or AC 110V/60Hz | AC 220V/50Hz or AC 110V/60Hz | AC 220V/50Hz or AC 110V/60Hz |
| Shipping dimension | 520*450*320mm/10kg | 520*450*320mm/10kg | 520*450*320mm/10kg |
How to centre the light of Spectrophotometer
replace deuterium lamp and tungsten lamp for Spe
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Tel: +86-19813593727
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