The DB30 UV-Vis spectrophotometer
Designed for measuring the transmittance/absorbance of glass samples or filters
Standard cell holder for the DB30 spectrophotometer
DB30 UV-Vis Spectrophotometer
 

DB30 UV-Vis Spectrophotometer

Versatile double beam UV-Vis spectrophotometer with a benchtop footprint

The DB30 UV-Vis Spectrophotometer is a powerful double beam instrument designed for precise and accurate measurement of absorption and transmission across various wavelengths, making it essential for analytical applications where precision is paramount.

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Overview

The DB30 UV-Vis Spectrophotometer

Engineered for versatility, this user-friendly spectrophotometer excels in a wide range of measurements, from standard absorbance in cuvettes to solid samples and flow cell experiments. Its high-throughput optical design delivers exceptional performance, ensuring superior stray light control, baseline stability, and unmatched wavelength and photometric accuracy.

The DB30 offers flexible operation, whether as a standalone device with its integrated touchscreen or through PC control using Visacle® software. Visacle provides a secure database for storing data and methods, and it can be upgraded to a CFR Part 11 compliant package for enhanced data protection and integrity.

Specifications

Parameter Description
Optics Czerny-Turner, Dual Beam Monochromator
Wavelength Range 190 nm – 1100 nm
Spectral Bandwidth 0.5 nm, 1 nm, 1.5 nm, 2 nm and 4 nm
Stray Light ≤0.10% T (220 nm NaI, 340 nm NaNO2)
Wavelength Accuracy ±0.1 nm D2 peak 656.1 nm
Wavelength Repeatability ±0.1 nm
Photometric Range Absorbance: -3.4 to +3.4, %T: 0 to 300, Concentration: 0,000 to 9,999
Photometric Accuracy ±0.002 Abs (0 – 0.5 Abs), ±0.004 Abs (0.5 – 1.0 Abs), ±0.008 Abs (1.0 – 2.0 Abs) ±0.3% T
Photometric Reproducibility ±0.0003 Abs (0-0.5 Abs), ±0.0005 Abs (0.5-1 Abs), ±0.001 Abs (1.0-2 Abs)
Wavelength Scan Speed 10, 100, 200, 400, 800, 1200, 2400, 3600, 6000 nm/min
RMS Noise ≤0.00003 Abs (0 Abs, 500nm)
Baseline Stability <0.0003 Abs/hr (500 nm, 2 hour lamp warm-up period)
Baseline Flatness ±0.0009 Abs (200 nm – 950 nm)
Light Source Tungsten-Halogen and Deuterium Lamps
Light Source Switching Automatic switching selectable for 325 nm – 370 nm range
Detector Silicon Photodiode
Display 7” Touchscreen
Software Touchscreen operation, PC-controlled software or CFR compliant PC-controlled software
Dimensions 500 mm (W) × 475 mm (D) × 250 mm (H)
Net Weight 20 kg (approx)
Power Supply 100 – 240V, 50/60 Hz, 150VA
Ambient Temperature 10°C – 35°C
Output Device USB flash drive, SD card
Interface USB PC interface

 

Options

Standard Cell Holder The standard cell holder is two-position and holds traditional 10 mm path length cells. A micro-volume cell holder option for 50 μl cells is also available.
Thermostatic Cell Holder Designed for incubation or temperature stabilisation from room temperature to +40°C. Temperature stability ±0.3°C.
Long Path Cell Holder Designed for low concentrations or absorbance, the long path cell holder holds two rectangular cells with an optical path length of 10 mm to 100 mm.
Glass Filter Holder Designed for measuring the transmittance/absorbance of glass samples or filters. Sample dimensions up to 55 mm x 100 mm with 5 mm thickness can be accepted.
Film Holder Designed for measuring the transmittance/absorbance of thin-film samples. Sample dimensions up to 25 mm x 50 mm can be measured.
6-Position Cell Holder Mount up to six standard 10 mm path length cells with auto-changeover of sample. A temperature-controlled version is also available.
Auto Sipper Designed for rapid and automatic measurement of multiple or large amounts of liquid sample without changing cells.
Micro Flow Cell Designed for continuous measurement of trace samples. Flow cell capacity of 70 μl, 10 mm path length with Teflon tubing.

 

 

Resources

DB30 Brochure

DB30 Datasheet

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