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Visible Spectrophotometer, Spectrum Bandwidth 5nm

Model : SP-VG722; SP-VGI721; SP-VG721

Wavelength Range : 325-1000nm, 340-1000nm
Wavelength Accuracy : ±2nm
Photometric Accuracy : ±0.5%T
Size(W×D×H)(mm) : 400x300x200
The visible spectrophotometer can be used in both laboratory and teaching environments for teaching, basic research and quality control.
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Visible Spectrophotometer Specifications:

ModelSP-VG722SP-VGI721SP-VG721
PhotometrySingle Beam
Monochromator TypeCzerny-Turner
DetectorSilicon Photocell
Wavelength SettingManual Turn Knob
Wavelength Range325-1000nm340-1000nm
Wavelength Accuracy±2nm
Wavelength Repeatability≤1nm
Spectrum Bandwidth5nm
Stray Light≤0.5%T (at 360nm NaNo2)
Photometric Range0-100.0%T
0-1.999A
0-1999C
Photometric Accuracy±0.5%T
Photometric Repeatability≤0.2%T
Noise100% (T) noise ≤0.3% (T), 0% (T) noise ≤0.2% (T)
Drifting±0.5 %T/3min
Cuvette Holder Size50mm100mm50mm
PowerAC220V±22V; 50Hz±1Hz, 50W
Size(W×D×H)(mm)400x300x200
Shipping Size(W×D×H)(mm)560x500x300
N.W./G.W. (kg)13/15

Visible Spectrophotometer Features:

  1. Sample chamber for 5-100mm cuvettes

  2. Precise automatic T/A conversion

  3. RS232 interface

  4. Direct concentration reading and concentration factor setting

  5. Automatic zero and full scale adjustment

  6. Standard software (SP-VG721)

  7. Optional dedicated printer (SP-VGI721)

Common Features

  1. High quality silicon photodiode detector and 1200 lines/mm diffraction grating ensure high quality accuracy and precision.

  2. Automatic 0%A and 100%T.

  3. Backlit LED display for easy reading.

  4. Easily switch between transmittance, absorbance and concentration modes.

  5. Users can easily change halogen or deuterium lamps on their own.

  6. Direct concentration readout and concentration factor setting capability.

  7. Cuvettes from 5 - 100mm optical lengths with optional holders.


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Scitek Global is professional manufacture of Laboratory Instruments and Medical Devices, certified by ISO9001, ISO13485, ISO45001 and ISO14001. Products are certified by ETL, CE and FDA etc.

We look forward to establishing cooperation with more distributors all over the world, and working together to create greater customer value. Together we will be different.

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