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Spectrophotometers: 1200 Series

UNICO SQ-2802 series is an advanced single beam design consisting of four models:

  • SQ-2802: Stand-alone model with 1.8nm fixed bandpass
  • SQ-2802S: Stand-alone model with variable slits (0.5nm, 1nm, 2nm and 4nm)
  • SQ-2802PC: PC model with 1.8nm fixed bandpass
  • SQ-2802PCS: PC model with variable slits (0.5nm, 1nm, 2nm and 4nm).

SQ-2802/2802S has all the features that SpectroQuest line offers in a stand-alone unit.

PC models come standard with Windows® based application software (PC not included).

All instruments provide excellent performance for measurements. The large sample compartment accommodates a wide range of cell holders and accessories including peristaltic sipper and peltier system.

SPECIFICATIONS SpectroQuest 2802/2802S
Optical Specifications
Wavelength Range 190 - 1100 nm
Spectral Bandwidth 1.8 nm / 0.5, 1, 2, 5 nm
Monochromator Single beam Littrow type, grating 1200 lines/mm
Wavelength Accuracy ±0.3 nm
Wavelength Repeatability ±0.2 nm
Wavelength Calibration automatic at start
Light Source Tungsten Halogen/Deuterium  Lamp
Detector Solid Silicon Photodiode
Photometric Readout 1/4 VGA 320X240 pixels backlit LCD
Photometric Range 0 - 200%T
-0.3 - 3.0A
0 - 9999C
Photometric Accuracy ±0.3%T
Zero Drift < 0.002A per hour after warm-up
Baseline Flatness ±0.004A
Stability 0.002A/h at 500 nm
Stray Light < 0.15%T
Scanning Speed Hi, Med., Low. Max. 1000 nm/min
Physical Characteristics
Standard Sample Holder 4-position Cell Holder
Analogue/Digital Output Digital, RS232 Serial, Centronics Parallel
Dimensions 620(L) x 400(W) x 280(H) mm
Weight 22 kg / 48 lbs
Shipping Dimensions 720(L) x 525(W) x 370(H) mm
Shipping Weight 26 kg / 57 lbs
Power Requirements 115V/60Hz or 230V/50Hz, switchable
Operating Temperature Room temperature: 22 ±2°C
Humidity Range   less than 85%
Safety Certificate CE


SpectroQuest SQ2802 Catalog

UNICO Model Cuvette and Glassware

Cuvette Holder and Cuvette Holder Package

UNICO UV-Vis software

SQ2800 SQ2802 SQ3802 SQ4802 Compare

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