721G VIS Spectrophotometer

721G VIS Spectrophotometer has been widely used in colleges and enterprises for general quantitative analysis and experiments based on absorbance measurements.

Main Features of 721G VIS Spectrophotometer

  1. Sample compartment for 5-100mm cuvettes
  2. Equipped with RS232 port
  3. Precise automatic T/A changeover
  4. Automatic zero and full-scale adjustment
  5. Direct concentration read-out and concentration factor setting function
  6. Software optional
  7. High-quality silicon photometric diode detector and 1200 lines/mm diffraction grating ensure high-quality accuracy and precision.
  8. Backlit LCD display for an easy readout.
  9. Automatic 0A and 100%T.
  10. Easy switching of transmittance, absorbance, and concentration modes, just by pressing one key.
  11. Direct concentration read-out and concentration factor setting function.
  12. Large sample compartment, for 5 – 100mm path length cuvettes with optional holders.
  13. Easy to change the halogen lamp or deuterium lamp by the user himself.

721G VIS Spectrophotometer Display

Specifications of 721G VIS Spectrophotometer

Model721G
Product nameVIS Spectrophotometer
PhotometrySplit Beam
Monochromator TypeCzerny-Turner
Focal Length160mm
Grating1200 lines/mm
DetectorSilicon Photocell
Spectrum Bandwidth5nm
Wavelength SettingManual Turn Knob
Wavelength Range340-1000nm
Wavelength Accuracy±2nm
Wavelength Repeatability≤1nm
Stray Light≤0.5%T( at 360nm NaNo2 )
Photometric Range0.0-100.0% T0.000-1.999 A0.000-1999 C
Photometric Accuracy±0.5% T±0.004 Abs (0-0.5A)±0.008 Abs (0.5-1A)
Photometric Repeatability≤0.2% T0.002 Abs (0-0.5A)0.004 Abs (0.5-1A)
Noise100%(T)noise≤0.3%(T) , 0%(T)noise≤0.2%(T)
PowerAC220V±22V 50Hz±1Hz, 130W
Packaging Size560mm X 490mm X 285mm 0.08M3 14kg

Standard Accessories:

  • Operation manual 1pc
  • UV WIN7 software 1pc
  • Glass cuvette 10mm 4pcs
  • Power cable 1pc
  • Fuse 2pcs
  • Cuvette holder 50mm 1pc

Optional Accessories

  • Cuvette holder 100mm
  • Cuvette 20mm 30mm 50mm 100mm

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