The Unico SpectroQuest SQ4802 Double Beam UV-Visible Spectrophotometer is a high-performance, stand-alone instrument designed for a wide range of laboratory applications. It comes complete with a USB port, parallel port, built-in software (featuring T/A/Conc, Standard Curve, Kinetics, Multi-Wavelength, Scanning & DNA/Ratio modes), a single cuvette holder, four optical glass cuvettes, two quartz cuvettes, a user manual, and a dust cover. The SQ4802 is CE certified and ISO9001:2000 registered, ensuring quality and reliability.
This double beam spectrophotometer provides exceptional accuracy by using two detectors that simultaneously measure the test sample cell and reference, optimizing measurement precision. With a wavelength range of 190 to 1100 nm and a fixed 1.8 nm bandwidth, it is suitable for various applications, including pharmaceutical, biochemical, and clinical labs, as well as routine quantitative analyses, kinetics, spectrum scanning, multiple components, and DNA/protein analysis.
Optional PC download software and PC Windows application software further enhance its versatility.
Warranty
1 Year
Features
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Double Beam Design: Two detectors for simultaneous measurement of the test sample and reference cell, ensuring optimized accuracy.
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Built-in Software: Includes T/A/Conc, Standard Curve, Kinetics, Multi-Wavelength, Scanning, and DNA/Ratio modes for a wide range of applications.
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Wavelength Range: 190 - 1100 nm, covering the UV-Visible spectrum for diverse laboratory needs.
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Photometric Readout: Large 1/4 VGA 320x240 pixel backlit LCD for clear data display.
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Data Ports: Equipped with USB and parallel ports for easy data transfer.
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Optional Software: PC Windows application software for expanded functionality.
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CE Certified and ISO9001:2000 Registered: Ensures quality and compliance with international standards.
Specifications
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Wavelength Range: 190 - 1100 nm (UV-Visible)
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Spectral Bandwidth (Slit Width): 1.8 nm
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Monochromator: Double beam Littrow type, grating 1200 lines/mm
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Wavelength Accuracy: ± 0.3 nm
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Wavelength Repeatability: ± 0.2 nm
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Wavelength Calibration: Automatic at start
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Light Source: Tungsten halogen and deuterium lamps
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Detector: Solid silicon photodiode
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Photometric Range: 0 - 200%T / -0.3 to 3.0 A / 0 - 9999 C
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Photometric Accuracy: ± 0.3%T
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Zero Drift: Baseline flatness ± 0.004 A
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Stability: 0.001 A/h at 500 nm
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Stray Light: Maximum scanning speed of 1000 nm/min
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Sample Holder: Single cell holder for 10 mm cells, measures both reference and sample
Physical Characteristics
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Weight: 53 lbs (24 kg)
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Dimensions: 620 mm (L) x 400 mm (W) x 280 mm (H)
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Shipping Weight: 62 lbs (28 kg)
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Shipping Dimensions: 28.3" (L) x 20.7" (W) x 14.6" (H) (720 mm x 525 mm x 370 mm)
Power Requirements
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SQ4802: 115 V / 60 Hz
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SQ4802E: 230 V / 50 Hz (switchable)
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Operating Temperature: 22 ± 2 °C
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Humidity Range: Less than 85%
Literature
Unico Spectrophotometer Catalog
