Yoke 721 and YUEFENG 721 compare

Model selection comparator If you have any questions, please click below Service	Yoke 721 Spectrophotometer In coming China Detail	YUEFENG 721 Visible Spectrophotometer 1220.0 RMB China Detail

Type

visible

Beam Type

Single beam of light

light source

Tungsten lamp

Spectral Bandwidth

6.x nm

4.x nm

Detector

Accessories

Optical inspection system

Eliminate color difference Czerny-Turner (1200L/mm grating)

Single beam of light (1200/mm holographic light)

Light spectrum bandwidth

6nm

4nm

Wavelength range

350~1020nm

340~1000nm

Wavelength Accuracy

±2nm

Wavelength, repeability

≤1nm

Photometric range

0~200%T、-0.3~3.0A、0~9999C

0~100%T、-0.050~3.000A

Photometric Accuracy

0.5%T

±1.0%T

Luminosity, sexual repeability

0.2%T

≤0.5%T

stray light

≤0.3%T@360nm

≤0.5%T@360nm

Noise level

≤0.3%T

stability

±0.004A/h@500nm

Baseline flatness

≤0.2%T

Operating Mode

T、A、C

Transmittance, Absorbance

Photometric range

0~200%T、-0.3~3.0A、0~9999C

0~100%T、-0.050~3.000A

keyboard

Data output

printout

RS232 (optional)

display

LCD liquid crystal display

analysis software

without

light source

Imported tungsten lamp

Tungsten Halogen Lamp

Light source lifetime

Detector

Measurement time

Power Supply

Dimensions

Weight

8kg

Wavelength driving method

manual

Zero setting

automatic

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