SpectroQuest 2802 UV/Vis Spectrophotometers Parts

 

 

 

 

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

 

 

 

 

 

 

 

 

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