SpectroScan 80D Double-Beam UV/Visible Spectrophotometer
A)
Specifications of the SpectroScan 80D1) Optical System ----- The crossed monochromator with the high-resolution, diffraction holographic grating
Spectral Bandwidth: 2.0nm
Stray Light: 0.3%T (220nm and 340nm)
Wavelength Accuracy: ΅ΐ0.5nm(with automatic wavelength correction)
Wavelength Reproducibility: 0.2nm
2) Photometric System ----- The Double beam recording ratio system
Photometric Method: Transmittance, absorbance, energy and concentration
Photometric Range: -0.3~3.0Abs (0~200%T)
Photometric Accuracy: ΅ΐ0.3%T(0~100%T)
ΐ0.002Abs(0~0.5Abs), ΅ΐ0.004Abs(0.5~1.0Abs)
Photometric Reproducibility: 0.15%T (0~100%T),
0.001Abs(0~0.5Abs), 0.002Abs(0.5~1.0Abs)
Baseline Flatness: ΅ΐ0.004Abs(190nm~1100nm)
Baseline Stability: 0.002Abs/h(500nm, after preheating)
3) Software ----- The monoprocessor built-in application or/and Windows application software(RS-232 Interface).
The Monoprocessor Built-in Application
Photometric Measurement: Measuring transmittance or absorbance at the current wavelength together with K factor calculations.
Spectrum Scan: Carrying out scanning of transmittance or absorbance on the selected wavelength range together with peak-pick module.
Quantitative Determination: Regression of standard curves and direct determination concentrations of samples.
DNA/RND Measurement:
Results Printout: Printout of measured data by using HP DeskJet 600/800 Series Printer (optional).
PCWindows application software(RS-232 Interface)
Photometric Measurement: Measuring the photometric values at 1-10 wavelengths together with mathematical calculations according to entered equations.
Spectrum Scan: Producing wavelength scans within the operating parameters on samples together with powerful data handling facilities
Quantitative Determination: Determination of unknown concentration with methods of 1-3 wavelength quantitation, together with fitting of calibration curve of 1st ~ 4th order.
Kinetics: Recording curves of changing photometric values of samples against timecourse at the selected wavelengths together with powerful data handling facilities
Output: With the Windows clipboard, the measured data and graphics can be copied to other applications software for reports.
4) Mainframe ----- Compact and stand-alone spectrophotometer mainframe
Light Source: Socket deuterium lamp and socket tungsten halogen lamp.
Detector: Dual Silicon photodiodes
Sample Chamber: Automatic eight-cell sample holder
Display: Liquid Crystal Display(LCD 320΅Α240 dot matrix)
Keypad: Touch soft keys
PC Interface: RS-232
Printer Interface: Centronics Parallel interface (PCL command, HP DeskJet 600/800 Series Printer)
Size: 540mm΅Α400mm΅Α250mm
Weight: 25 kg
B. Features
) Enhanced baseline stability. The split-beam monitoring ratio system enhances baseline stability.
2) Excellent resolution. The big-caliber light path enhances the instrument's energy, reduces its noise and raises its resolution performance.
3) User-friendly light source. The Socket deuterium lamps and socket tungsten lamps facilitate light source replacement, simplify maintenance and reduce operation error.
4) Convenient display. The large backlit LCD screen displays both photometric values and spectral curves.
5) Full use of computer technology. being computer-controlled with RS-232 Interface and working on the windows platform with the UV/Win application software, the SpectroScan 80D presents to the full the fascination of modern computer technology.
6) The key components adopt all from the world famous manufacturers, such as deuterium lamp, silicon photodiode and holographic grating, which ensure the stabilization and credibility of the instrument for an extended lifetime.
C. Functions
) Photometric measurement
. Rapid and accurate measurements of transmittance and absorbance for samples at the selected wavelength are available.
. This module allows successive and automatic calibration and measurement of up to seven samples with the built-in 8-cell sample holder.
. Direct concentration results can be produced by simply entering the K-factor.
. Printout of measured data with sample numbers in a tabular format.
2) Spectrum scan
. Spectra of samples on any range within 1100nm ~ 190nm can be measured with real time visual display of spectral curves on the large LCD screen.
. Such operating parameters can be selected, as photometric mode, wavelength range, ordinate range, sampling interval and scanning speed.
. Picking out and printout of peaks and valleys for spectral curves.
. Printout of spectral curves to a printer with A4 paper.
3) Quantitative measurement
. Use a calibration curve to determine the concentration of unknowns at the user-selected wavelength.
. The regression of calibration curve can be made with up to 8 standards and the linear correlation coefficients be offered.
. The plot of a calibration curve is displayed on the large LCD screen.
. Instant concentration results can be produced by simply entering K-factors. . Successive and automatic calibration and concentration measurement of up to seven samples are available by the built-in 8-cell sample holder.
. Printout of the table of measured concentrations and K-factors of a calibration curve.
4) Windows software
. Such operations as photometry measurement, spectrum measurement, quantitation measurement and kinetic measurement are offered in the UV-Win Windows application.
. Up to 10 spectra and time-course curves can be measured and recalled in memory with data-handling of arithmetic calculation, logarithmic calculation, reciprocal calculation, smooth, derivative (1t-4th), Abs to/from %T conversion and peak pick.
. Up to 24 standards can be entered and measured for fitting of calibration curve with order of 1st - 4th.
. With the Windows clipboard, the measured data and graphics can be copied to other applications software for reports.
Specifications of the optional Peltier System
1. Number of cells: One each on the sample and reference sides.
2. Temperature range: 15 to 55 C
3. Temperature setting accuracy: 0.1 C
4. Temperature control precision: 0.0625 C
5. Display: 3.5-digit LCD display
6. Adjustment mode: continuous adjustment
7. Power supply: 85VAC-265VAC, 50-60Hz
8. Ambient temperature: 0-40 C
9. Relative humidity: <80%
10. Dimension: 210x142x155mm
Specifications of the optional Sipper Pump
1. Rotate Speed: 0.1 -- 250rpm, bidirection
2. Mode of speed setting: continuously
3. Accuracy of speed: 0.1rpm at less than 30rpm, 1rpm at more than 30rpm
4. Display: 3.5-digit LCD display
5. Outer control switch: avialable of Micro-switch, Photo-switch, Poke-switch
6. Sampling volume calibration: re-setting sampling standard volume by real flow value
7. Power supply: 85VAC-265VAC, 50-60Hz
8. Ambient temperature: 0-40 cent
9. Relative humidity: <80%
10. Dimension: 370x210x500mm
11. Weight: 10Kg