laspec Alpha-1900SPlus and YUEFENG 770S compare

Model selection comparator If you have any questions, please click below Service	laspec Alpha-1900SPlus Ultraviolet-visible spectrophoto-meter In coming China Detail	YUEFENG 770S Ultraviolet-visible spectrophoto-meter 15600.0 RMB China Detail

Type

UV Visible

Beam Type

Double beams of light

Proportional double beam of light

light source

Tungsten lamp deuterium lamp

Spectral Bandwidth

Modulation polarography 0.x nm 1.x nm 2.x nm 4.x nm 5.x nm

2.x nm

Detector

Accessories

Optical inspection system

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

Proportional double beam of light, 1200/mm Holographic grating

Light spectrum bandwidth

0.5nm、1nm、2nm、4nm、5nm

2nm

Wavelength range

190~1100nm

Wavelength Accuracy

± 0.1Nm (D2 656.1nm), ± 0.3nm full band

±0.5nm

Wavelength Repeatability

±0.2nm

≤0.2nm

Photometric range

0~200%T、-0.3~3.0A、-9999~9999C

0.0%~200.0%T、-0.301~4.000A

Photometric Accuracy

±0.002A@0.5A , ±0.3%(0~100%T)

±0.5%T

Luminosity, sexual repeability

±0.15%T(0~100%T)；0.001A@0.5A

≤0.2%T

stray light

≤ 0.05%T@220nm,360nm

≤0.15%T@220nm,360nm

Noise level

±0.0003A

100%(T):≤0.2%(T) 0%(T)：≤0.1%(T)

Stability

±0.0005A/hr@500nm,0A

Baseline flatness

±0.001A

±0.002A (200nm ~1090nm)

Operating Mode

keyboard

Data output

printout

RS232 print interface

display system

Analysis software

light source

Deuterium lamp, tungsten halogen lamp

Light source life

Detector

Measurement time

Power

Dimensions

660*580*270mm

Weight

29kg

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