jinghua 755B (automatic) and ShangFen N4 compare

Model selection comparator If you have any questions, please click below Service	jinghua 755B (automatic) UV-Visible Spectrophotometer 8800.0 RMB China Detail	ShangFen N4 UV-Visible Spectrophotometer In coming China Detail

Type

UV Visible

Beam Type

Single beam of light

light source

Tungsten lamp

Tungsten lamp deuterium lamp

Spectral Bandwidth

2.x nm

Detector

Accessories

Optical inspection system

Single beam of light

Light spectrum bandwidth

2nm

Wavelength range

190~1100nm

Wavelength Accuracy

±0.5nm

±1nm

Wavelength Repeatability

0.2nm

≤0.5nm

Photometric range

0.0~200.0%T、-0.301~4.000A、0.000~9999C

Photometric Accuracy

±0.5%T；±0.004Abs（0 ~ 0.5A）；±0.008Abs（0.5 ~ 1A）

Luminosity Repeatability

≤0.2%T；0.002A(0~0.5A)；0.004A(0.5~1A)

stray light

≤0.05%T

≤ 0.1% (T) (at 220 nm, as Nal) (at 360 nm, as NaNO2)

Noise level

0.0005A

100 (T%) ≤ 0.2 (T%)；0(T%) ≤ 0.1 (T%)

Stability

±0.001A/h

Baseline flatness

±0.002A

Operating Mode

keyboard

Interface

RS-232

printout

display system

analysis software

Light source

Light source lifetime

Detector

Imported Photocells, photovoltaic cells

Measurement time

Power

Dimensions

Weight

Transmittance Accuracy

≤0.3%T

Transmittance Repeatability

0.1%T

Transmittance range

0~200%T

Absorption range

-0.4~4A

Display range of concentration

0~99999

Wavelength Drive

automatic

regression equation

have

dynamics

have

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