YUEFENG 754N and ShangFen 754N compare

Model selection comparator If you have any questions, please click below Service	YUEFENG 754N Ultraviolet-visible spectrophoto-meter 4800.0 RMB China Detail	ShangFen 754N UV-Visible Spectrophotometer In coming China Detail

Type

UV Visible

Beam Type

Single beam of light

light source

Tungsten lamp deuterium lamp

Spectral Bandwidth

4.x nm

2.x nm

Detector

Accessories

Optical inspection system

Aberration Elimination (1200L/mm Grating)

Single beam of light

Light spectrum bandwidth

4nm

2nm

Wavelength range

195~1100nm

200~1000nm

Wavelength Accuracy

±1.0nm

±2nm

Wavelength Repeatability

≤0.5nm

≤1nm

Photometric range

0~200%T、-0.301~3.000A、0~9999C

0.0~200.0%T、-0.097~4.000A、0.000~9999C

Photometric Accuracy

±0.002A(0~0.5A)、±0.003A(0.5~1A)、±0.5%T(0~100%T)

±0.5%T；±0.004Abs（0 ~ 0.5A）；±0.008Abs（0.5 ~ 1A）

Luminosity, sexual repeability

≤±0.2%T(0~100%T)；0.001A(0~0.5A)；0.002A(0.5~1A)

stray light

≤0.1%T@220nm,360nm

≤ 0.1% (T) (at 220 nm, as Nal) (at 360 nm, as NaNO2)

Noise level

100%≤0.15%T；0%≤0.01%T

0.2%T

Stability

Baseline flatness

±0.002A

Operating Mode

keyboard

Data output

printout

Parallel port

display system

Analysis software

light source

Deuterium lamp, tungsten halogen lamp

Light source life

Detector

Imported Photocells, photovoltaic cells

Measurement time

Power

Dimensions

Weight

Concentration range

0~1999

Drift

≤0.001A/h@500nm

Scanning speed

Fast, medium, slow

display

High-quality 128x64-bit graph LCD

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