Dalian Focus Scientific Instrument & Chemical Co.,Ltd
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.
Features:
simple spectrophotometer and cheap price
Adjust automatically 0%A and 100%T.
Direct concentration read-out and concentration factor setting function
Software/printer optional
Specifications:
|
Model
|
V721A
|
V722A
|
UV752A
|
|
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
|
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We are a professional analytical instrument manufacturer for 15 years.we manufacture Gas chromatography,Atomic?AbsorptionSpectrometer,UV Vis Spectrophotometer,Xenon lamp spectrophotometer,Analytical Balance,Moisture Aanalyzer,PH meter,Conductivity meter,DO meter etc.We have professional technician to offer perfect after-sale/installation service to our customers.
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