752N UV VIS Specrophotometer
721N VIS Spectrophotometer
* Sample compartment for 5-50mm cuvettes
* Precise automatic T/A changeover
* Automatic zero and full scale adjustment
* Direct concenrtration read out and concentration factor setting function
* Equipped with RS232 port
* Software optional
Features:
1.High quality sillicon photometric diode detector and 1200 lines/mm diffraction grating ensure the high quality accuracy and precision.
2.Backlit LCD display for an easy readout.
3.Automatic 0A and 100%T.
4.Easy switching of transmittance , absorbance and concentration modes, just by pressing one key.
5.Direct concentration read out and concentration factor setting function.
6.Large sample compartment, for 5-mm path length cuvettes with optional holders.
7.Easy to change the halogen lamp or deuterium lamp by the user himself.
Standard Accessories:
Main machine 1pc
1cm glass cuvette 4pcs ( 721N only)
1cm quartz cuvette 2pcs ( 752N only )
Power cable 1pc
Optional Accessories:
Thermal printer
50mm cuvette holder
UV WIN7 software
Specifications:
Model  | 752N  | 721N  | 
Photometry  | Single beam  | |
Monochromator type  | Littrow  | |
Focal length  | 160mm  | |
Grating  | 1200 lines/mm  | |
Detector  | Silicon Photocell  | |
Wavelength setting  | Manual Turn Knob  | |
Wavelength Range  | 200-1000nm  | 360-1000nm  | 
Wavelength Accuracy  | ± 2nm  | |
Wavelength Repeatability  | ≤ 1nm  | |
Spectrum Bandwidth  | 4nm  | |
Stray Light  | ≤ 0.3% ( at 220 nm Nal, 360 nm NaNO2 )  | ≤ 0.15% ( at 360 nm NaNO2 )  | 
Photometric Range 
  | 0.0 ~ 100.0% T 0 ~ 1.999A 0 ~ 1999C  | |
Photometric Accuracy 
  | ± 0.5% T  | |
Photometric Repeatability  | ≤ 0.2% T  | |
Noise  | 100%(T) noise ≤ 0.3% (T), 0% (T) noise ≤ 0.2% (T)  | |
Drift  | ± 0.5% T/3min  | |
Cuvette holder size  | 10mm  | |
Power  | AC220v±22v, 50Hz± 1Hz, 120W  | AC85-242Vv, 40W  | 
Packing size  | 640*480*340mm, 0.078CBM  | |
Gloss weight  | 30kg  | 14kg  |