GD-723N Single Beam Scaning Visible Light Spectrophotometer
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Model
GD-723N Visible Spectrophotometer is an intelligent product with single-chip microprocessor control technology so that it has many sophisticated functions possessed by large high-end instruments and can meet the requirements of qualitative and quantitative tests for most samples conducted in conventional laboratories.
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The instrument is widely used in medical and health, clinical examination, biochemical, petroleum chemical, environmental protection and quality control departments, etc.
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The instrument with a low price and high performance is your best choice.
Main Characteristics
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The instrument adopts a 5.8” LCD graphic display and an externally linked thermal sensitive printer as its display and output devices to give a clear display of test results and prompts during the operation procedures. The thermal sensitive printer can easily print out test results for making data report and retention.
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Test method offers photometric mode, wavelength scanning, quantitative analysis and dynamical analysis and multi-wavelength test mode. In the quantitative test mode, three normal analytical methods of factor input, single-point and undetermined multiple-point are offered.
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Unique cell-matching function eliminates measurement errors caused by cell-matching (effective only in the photometric mode and quantitative analysis).
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It has the function of automatic zero and full scale adjustment.
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It is highly accurate in measurement reading and excellent in repeatability and stability.
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The instrument has many advanced functions such as concentration direct reading, linear regression, timing print, GOTOl and spectrum scanning and the like.
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Sampling at different wavelength intervals of 0.1nm, 0.2nm, 0.5nm, 1nm, 2nm and 4nm can be made according to users’ requirements.
Technical Specifications
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Optical system: single beam, grating of 1200 lines/mm
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Wavelength range: 325-1000nm.
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Wavelength accuracy: ± 1nm
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Wavelength repeatability: ≤ 0.5nm.
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Spectrum bandwidth: 4nm
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Stray light £ 0.3% t (in a test at 360nm with NaNo2, the value is 0.1%t)
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Transmittance display range: 0.0%t -200.0%t.
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Transmittance accuracy: ±0.5% t (tested with NBS930D).
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Transmittance repeatability: ≤ 0.2% t
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Absorptivity display range: -0.301A- 4.000 A
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Concentration direct-reading range: 0000-9999
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Baseline flatness: ±0.005A
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Noise: 100% noise ≤ 0.3%t
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Drift: ≤0.004A/h
Standard configuration:
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Main instrument 1
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Power cable 1
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10mm glass cell 4
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10mm Cell holder 1
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Fuse 3A 2
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Signal cable
Optional accessories:
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10mm Glass cell
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10mm Cell holder
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Printer
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Tungsten-halogen lamp(6V10W)
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Printing paper
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Printer FD-TP40 1
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Printing paper 2
Overall dimension & weight:
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Shipping package dimension: 570-470-330mm
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Gross weight: 20Kg
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Net weight: 15Kg