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UNICO SQ-2800 is the most economic general-purpose design in the SpectroQuest line. It is a stand-alone model with 4nm fixed bandwidth and has all the features that the SpectroQuest line offers for a stand-alone unit. It provides excellent performance for measurements in the range of 190nm to 1100nm. It has a large angled LCD screen with contrast adjustment for comfort viewing. The large sample compartment accommodates a wide range of cell holders and accessories including peristaltic sipper and peltier system. Optional PC download software and PC Windows® application software make this instrument very versatile.

SPECIFICATIONS SpectroQuest 2800
Optical Specifications
Wavelength Range 190 - 1100 nm
Spectral Bandwidth 4 nm
Monochromator Single beam Littrow type, grating 1200 lines/mm
Wavelength Accuracy ±0.8 nm
Wavelength Repeatability ±0.5 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 ±0.5%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 550(L) x 420(W) x 270(H) mm
Weight 20 kg / 44 lbs
Shipping Dimensions 650(L) x 540(W) x 390(H) mm
Shipping Weight 24 kg / 53 lbs
Power Requirements 115V/60Hz or 230V/50Hz, switchable
Operating Temperature Room temperature: 22 ±2°C
Humidity Range   less than 85%
Safety Certificate CE


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