Specification 

Model	BK-D560	BK-D580	BK-D590
Optical System	Double Beam, Grating 1200 lines/mm
Wavelength Range	190~1100nm
Spectral Range	1.8nm	1nm	0.5，1，2，4，5nm
Wavelength Accuracy	± 0.3nm
Wavelength Repeatability	≤ 0.2nm
Photometric Accuracy	± 0.002A (0~0.5Abs), ± 0.004A (0.5~1.0Abs), ± 0.3% T (0~100% T)
Photometric Repeatability	0.001Abs (0~0.5Abs), 0.002Abs (0.5~1.0Abs), ≤ 0.2% T (0~100% T)
Stray Light	≤ 0.04 T @ 360nm; 220nm
Stability	± 0.0003A / h @ 500nm
Baseline Flatness	± 0.0005A
Noise	± 0.0002Abs
Display	65 thousand true color 7 inch TFT LCD(480 *800)
Photometric Mode	T, A, C, E
Photometric Range	0~200% T,-0.301~3.0A
Detector	Silicon Photodiode
Light Source	Deuterium Lamp, Tungsten Lamp
Input	Membrane Keypad
Output	USB-A*2 Print and data output USB-B Connect PC
Standard Accessories	Scanning software,1cm standard single slot cuvette holder,1cm glass cuvette*4,1cm quartz cuvette*2
Optional Accessories	1cm standard single slot cuvette holder, long optical path cuvette holder, cuvette, microcuvette, test tube type absorber rack, solid sample holder, deuterium lamp, tungsten lamp,quadruple cuvette holder, printer, four-slot water bath type constant temperature absorptionpool, X-Y Adjustable Micro Absorption Pool, single bath type constant temperature absonrption pool, program-controlled thermostatic absorption pool seat, 8 racks, reflectionaccessories
Power Supply	AC110V/220±10%, 60/50Hz
Packing Size(mm)	740*570*440
Gross Weight(kg)	25