laspec Alpha-1900Plus and YUEFENG UV756 compare

Model selection comparator If you have any questions, please click below Service	laspec Alpha-1900Plus UV-Visible Spectrophotometer In coming China Detail	YUEFENG UV756 Ultraviolet-visible spectrophoto-meter 7600.0 RMB China Detail

Type

UV Visible

Beam Type

Double beams of light

Single beam of light

light source

Tungsten lamp deuterium lamp

Spectral Bandwidth

2.x nm

Detector

Accessories

Optical inspection system

Dual beam of light and CT optical path; 1200 lines/mm laser holographic Diffraction grating

Aberration Elimination (1200L/mm Grating)

Light spectrum Bandwidth

2nm

Wavelength range

190~1100nm

Wavelength Precision

+/- 0.1Nm (D2 656.1nm )， +/- 0.3nm full band

Wavelength Repeatability

±0.2nm

≤0.3nm

Photometric range

0~200%T、-0.3~3.0A、-9999~9999C

0~200%T、-0.301~3.000A、0~9999C

Photometric Precision

±0.002A@0.5A , ±0.3%(0~100%T)

Luminosity Repeatability

±0.15%T(0~100%T)；0.001A@0.5A

stray light

≤ 0.05%T@220nm,360nm

≤0.05%T@220nm,360nm

Noise level

±0.0003A

100%≤0.15%T；0%≤0.01%T

Stability

±0.0005A/hr@500nm,0A

Baseline flatness

±0.001A

±0.002A

Operating Mode

keyboard

Data output

printout

Parallel port

display system

analysis software

Light source

Light source lifetime

Detector

Measurement time

Power Supply

Dimensions

660*580*270mm

Weight

28.5kg

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