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The new scanning spectrophotometers

Introducing the new 72 serie scanning spectrophotometers

7205_234

The range includes two models: model 7200 covers a wavelength range of 335 to 800nm with a spectral bandwidth of 7nm and model 7205 covers a wavelength range of 198 to 800nm with a spectral bandwidth of 5nm.

Ideal for a variety of applications in

  • education
  • and routine testing in clinical,
  • veterinary,
  • pharmaceutical
  • and QC laboratories.

The 72 series spectrophotometers offer measurement modes for single wavelength with basic absorbance and % transmittance; concentration calculated using a standard or a factor; optical density; quantitation with the ability to create a calibration curve using up to 6 standards and 3 replicates; full spectrum scanning and kinetics where up to 3 wavelengths can be measured simultaneously.

The large sample chamber will easily accommodate the optional long path length cuvette holder and the heated 10x10mm cuvette holder which is ideal for thermostated measurements at 37°C. The sample chamber lid can also be left open during measurements which is ideal for samples in tall test tubes.

 

Technical Specification

Model 7200 7205
Wavelength Range 335 to 800nm 198 to 800nm
Wavelength Accuracy ± 2nm ± 2nm
Wavelength Repeatability ± 2nm ± 2nm
Spectral Bandwidth 7nm 5nm
Absorbance Range – 0.300 to 2.500A – 0.300 to 2.500A
Absorbance Accuracy ± 0.01A at 1.0A and 546nm ± 0.01A at 1.0A and 546nm
Absorbance Stability (A) ± 0.005A/h at 0.04A and 546nm ± 0.005A/h at 0.04A and 546nm
Noise ± 0.002A at 0.04A and ± 0.02A at 2.0A and 546nm ± 0.002A at 0.04A and ± 0.02A at 2.0A and 546nm
Stray Light at 340nm, %T < 1%T according to ANSI/ASTM E387- 72 < 1%T according to ANSI/ASTM E387- 72
Concentration Range ± 2500 ± 2500
Concentration Calibration Blank with a single standard or factor Blank with a single standard or factor
Concentration Factor ± 1000 ± 1000
Concentration Standard ± 1000 ± 1000
Optical Density Factor ± 1000 ± 1000
Quantitation Range ± 2500 ± 2500
Quantitation Calibration Blank with up to 6 standards Blank with up to 6 standards
Curve Fit Algorithms Linear and linear through zero Linear and linear through zero
Kinetics Measurement Time 15 to 9999 seconds 15 to 9999 seconds
Kinetics Number of wavelengths 3 3
Kinetics Calibration Blank with a factor Blank with a factor
Kinetics Display Graphical and concentration Graphical and concentration
Kinetics Analysis Concentration Concentration
Spectrum Range 335 to 800nm 198 to 800nm
Spectrum Analysis Absorbance or % transmittance and up to 50 spectral analysis points Absorbance or % transmittance and up to 50 spectral analysis points
Beam Height 15mm 15mm
Light Source Tungsten Halogen lamp Xenon lamp
Results Memory Limited by attached USB memory stick Limited by attached USB memory stick
Outputs USB x 2 USB x 2
Supply voltage/frequency 100 – 240VAC at 50 to 60Hz 100 – 240VAC at 50 to 60Hz
Power Supply 12V DC, 3.8A 12V DC, 3.8A
Size (w x d x h) 212 x 422 x 120mm 212 x 422 x 120mm

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