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UV-VISIBLE SPECTROPHOTOMETER

UV-VISIBLE SPECTROPHOTOMETER
UV-VISIBLE SPECTROPHOTOMETER
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Product Code : 33
Brand Name : THERMO SCIENTIFIC
Product Description

We have been able to continue our business in prominent way by offering our clients a superior range of Uv-Visible Spectrophotometer. These are used in analytical chemistry for the quantitative determination of different analytes, such as transition metal ions, highly conjugated organic compounds, and biological macromolecules. Sourced from reliable vendors, our Uv-Visible Spectrophotometer is made from top quality materials and modern technology. We offer these products at affordable prices within the stipulated time frame.

Features:

 

  • Modular design
  • Precise operation
  • Lightweight

Further Details: 

201/220 UV-Visible Spectrophotometers

SPECIFICATIONS

 

Evolution 201 UV-Visible Spectrophotometer

Evolution 220 UV-Visible Spectrophotometer

Optical Design

Double-beam with sample and

reference cuvette positions;

Czerny-Turner Monochromator

Double-beam with sample and

reference cuvette positions;

Application Focused Beam Geometry;

Czerny-Turner Monochromator

Spectral Bandwidth(s)

1.0 nm

Variable: 1 nm; 2 nm;

AFBG Microcell optimized;

AFBG Fiber optic optimized;

AFBG Materials optimized

Light Source

Xenon flash lamp, 3-year warranty (5 years typical lifetime)

Detector

Dual Silicon Photodiodes

Scan Ordinate Modes

Absorbance, % Transmittance, % Reflectance, Kubelka-Munk,

log (1/R), log (Abs), Abs*Factor, Intensity

Resolution

>1.6 (peak-to-valley ratio; toluene in hexane)

Wavelength

 

Range

190-1100 nm

Accuracy

+0.8 nm (full range 190 to 1100 nm)  ±0.5 nm (546.11 nm mercury line)

Repeatability

0.1 nm (546.11 nm mercury line, SD of 10 measurements)

Scanning Speed

<1 to 6000 nm/min; variable

Data Intervals

10, 5, 2, 1.0, 0.5, 0.2, 0.1 nm

Photometric

 

Range

>3.5 A

Display Range

-0.3 to 4.0 A

Accuracy Instrument

0.5 A: ±0.004 A     1A: ±0.006 A       2A: ±0.010 A

Measured at 440 nm using neutral density filters traceable to NIST/NPL

Accuracy Sealed Solutions (EP/BP/TGA)

+0.010 A (60 mg/L K 2 Cr2O7)

Noise

0A: 0.00015 A   1A:0.00050 A     2A: 0.00080 A      260 nm, 1.0 nm SBW, RMS

Drift (Stability)

<0.0005 A/hr       500 nm, 1.0 nm SBW, 1 hour warm-up

Stray Light

KCl, 198 nm:  T      NaI, 220 nm: 0.05% T      NaNO2    340 nm: <0.05% T

Baseline Flatness

+0.0010 A       200-800 nm, 1.0 nm SBW, smoothing

Keypad

Sealed Membrane

Local Control Option Display

Touchscreen LCD panel; 800,  480; 17.8 cm (7 in) diagonal

Operating System

Microsoft Windows XP embedded

Dimensions

62.2 cm L x 48.6 cm W x 27.9 cm H (24" L x 19" W x 11" H)

Weight

14.4 kg (32 lb)

Electrical Supply

100-240 V, 50-60 Hz, selected automatically      150 W maximum


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