Yoke UV1810S and YUEFENG 770S compare

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Model selection comparator If you have any questions, please click below Service	Yoke UV1810S Spectrophotometer In coming China Detail	YUEFENG 770S Ultraviolet-visible spectrophoto-meter 15600.0 RMB China Detail

Model comparison

Type	UV Visible	UV Visible
Beam Type	Single beam of light	Proportional double beam of light
light source	Tungsten lamp deuterium lamp	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	Silicon photodiode
Accessories

Parameter comparison

Wavelength range	190-1100nm	190~1100nm
Light spectrum Bandwidth	0.5/1. 0/2.0/4.0/5. 0nm adjustable
Wavelength Precision	+/- 0.1nm (D2 656.1nm ）， +/- 0.3nm full area
Wavelength Repeatability	≤0.1nm	≤0.2nm
Photometric Precision	±0.002A(0-0.5A)，±0.004A（0.5-1A），±0.2 %T (0~100 %T)
Luminosity Repeatability	±0.001A(0~0.5A)，±0.002A(0.5~1A)，±0.1 %T (0~100 %T)
stray light	≤0.03%T	≤0.15%T@220nm,360nm
Stability	± 0.0005A/h (at 500nm)
Baseline flatness	±0.0015A	±0.002A (200nm ~1090nm)
Operating Mode	T, A, C, E

Data output	USB port
printout	Parallel port	RS232 print interface
monitor	320 * 240 Bit Highlight 6 "Large Screen LCD
Light source	Imported long-life tungsten lamp, deuterium lamp
Detector	Imported silicon photodiode
Weight	18kg

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