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Shanghai Hengping Visible Spectrophotometer 721 Spectrophotometer
Light source: 20W/12V tungsten halogen lamp Spectral bandwidth: 5nm Wavelength range: 340~1000nm Maximum allowable error: ± 3nm Wavelength repeatabili
Product details
721typeVisible spectrophotometer
This product is suitable for quantitative analysis of the content of substances in the visible spectrum region and can be widely used in laboratories of factories, schools, metallurgy, agriculture, food, biochemistry, environmental protection, petrochemicals, medical and health care, and various scientific research institutions.
Equipped with backlit LCD display screen.
It has automatic 0% (T) and 100% (T) adjustment functions.
It has concentration factor setting and concentration direct reading function.
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Technical Parameter
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monochromator
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Self aligning monochromator, 1200 line holographic grating
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detector
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Silicon photodiode
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light source
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20W/12V tungsten halogen lamp
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spectral bandwidth
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5nm
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wavelength range
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340~1000nm
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Wavelength * * large allowable error
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±3nm
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Wavelength Repeatability
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≤1.5nm
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stray
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≤ 1.0% T (at 360nm)
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Measurement range
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T: 0~199.9%T ，A: 0~1.999Abs , F: 0~9999 , C: 0~9999
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Transmittance * * large allowable error
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±1.0%T
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Transmission density repeatability
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≤±0.3%T
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stability
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Dark current<0.3% T, bright current<1.0% T
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power supply
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220V±22V 50Hz ±1 Hz
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size
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470×350×200（mm）
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weight
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8kg
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