721N VIS Single Beam Spectrophotometer

721N VIS Spectrophotometer has the holographic blazed grating monochromator has the advantages of high wavelength accuracy, good monochromaticity and low stray light.
* Linear regression method and coefficient method are added to the concentration test method. 
* USB interface is added, and large capacity memory can store 30 concentration curves.
* Adopt microcomputer measurement system, with high conversion accuracy of T-A, automatic adjustment of 
* 0% T and 100% T, concentration factor setting and concentration direct reading.
* High accuracy, Good Reproducibility and Stability of Measurement Readings.
* Automatic light gate technology, No need blackbody, to protect the photoelectric sensor.


Main Features
 Sample compartment for 5-50mm cuvettes
 Precise automatic T/A changeover
 Automatic zero and full scale adjustment 
 Equipped with USB port
 Direct concentration read-out and concentration factor setting function
 Automatic light gate technology to protect photoelectric sensors


Specificatons
Photometry:     Split Beam
Monochromator Type:    Czerny-Turner
Focal Length:    160mm
Grating:    1200 lines/mm
Detector:     Silicon Photocell
Spectrum Bandwidth:    2nm
Wavelength Setting:     Manual Turn Knob
Wavelength Range:    340-1100nm
Wavelength Accuracy:    ±2nm
Wavelength Repeatability:    ≤1nm
Scanning Speed:    Fast-Medium-Slow
Stray Light  :     ≤0.1%T( at 360nm NaNo2 )
Photometric Range:     0.0-100.0% T
0.000-1.999 A
0.000-1999 C
Photometric Accuracy:    ±0.5% T
  ±0.004 Abs (0-0.5A)
  ±0.008 Abs (0.5-1A)
Photometric Repeatability:    ≤0.2% T
    0.002 Abs (0-0.5A)
    0.004 Abs (0.5-1A)
Noise:    100%(T)noise≤0.3%(T) , 0%(T)noise≤0.2%(T)
Power:    AC220V±22V 50Hz±1Hz, 80W
Packaging Size:    580mm X 460mm X 345mm 0.1M³ 12.5kg


Standrad Accessories
Operation manual 1
 UV WIN7 Spectrum data processing software
Glass cuvette 1cm 4pcs
Power cable 1
Fuse 2pcs
Cuvette holder 10mm


Optional Accessories
 Thermal Plotter
Cuvette holder 50mm