Yoke UV755B and YUEFENG 770S compare

Model selection comparator If you have any questions, please click below Service	Yoke UV755B Spectrophotometer In coming 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

Proportional double beam of light, 1200/mm Holographic grating

Light spectrum Bandwidth

2nm

Wavelength range

190~1100nm

Wavelength Precision

±1nm

Wavelength Repeatability

0.2nm

≤0.2nm

Photometric range

0.0%~200.0%T、-0.301~4.000A

Photometric Precision

Luminosity Repeatability

stray light

0.2%T@220nm,360nm

≤0.15%T@220nm,360nm

Noise level

100%(T):≤0.2%(T) 0%(T)：≤0.1%(T)

Stability

±0.002A/h@500nm

Baseline flatness

±0.002A (200nm ~1090nm)

Operating Mode

Photometric range

0.0%~200.0%T、-0.301~4.000A

keyboard

Data output

printout

RS232 print interface

display system

analysis software

Light source

Light source lifetime

Detector

Measurement time

Power Supply

Dimensions

Weight

Transmittance Precision

±0.5%T

Transmittance Repeatability

0.2%T

Measurement range of transmittance

0~200%T

Absorption range

-0.30~3.0A

Display range of concentration

0~1999

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