YUEFENG UV756 and YUEFENG 770S compare

Model selection comparator If you have any questions, please click below Service	YUEFENG UV756 Ultraviolet-visible spectrophoto-meter 7600.0 RMB China Detail	YUEFENG 770S Ultraviolet-visible spectrophoto-meter 15600.0 RMB China Detail

Type

UV Visible

Beam Type

Single beam of light

Proportional double beam of light

light source

Tungsten lamp deuterium lamp

Spectral Bandwidth

2.x nm

Detector

Accessories

Optical inspection system

Aberration Elimination (1200L/mm Grating)

Proportional double beam of light, 1200/mm Holographic grating

Light spectrum bandwidth

2nm

Wavelength range

190~1100nm

Wavelength Accuracy

±0.5nm

Wavelength Repeatability

≤0.3nm

≤0.2nm

Photometric range

0~200%T、-0.301~3.000A、0~9999C

0.0%~200.0%T、-0.301~4.000A

Photometric Accuracy

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

±0.5%T

Luminosity, sexual repeability

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

≤0.2%T

stray light

≤0.05%T@220nm,360nm

≤0.15%T@220nm,360nm

Noise level

100%≤0.15%T；0%≤0.01%T

100%(T):≤0.2%(T) 0%(T)：≤0.1%(T)

Stability

Baseline flatness

±0.002A

±0.002A (200nm ~1090nm)

Operating Mode

keyboard

Data Interface

USB interface

printout

Parallel port

RS232 print interface

display system

Analysis software

light source

Deuterium lamp, tungsten halogen lamp

Light source life

Detector

Measurement time

Power

Dimensions

Weight

Concentration range

0~1999

Drift

≤0.001A/h@500nm

≤0.0009A/0.5h@250nm、500nm

Scanning speed

Fast, medium, slow

display

High-quality 128x64-bit graph LCD

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