Micro-Volume UV/VIS Spectrophotometer BK-CW1000 190–1100nm (CAT#: STEM-LT-1028-ZJF)

The BK-CW1000 and BK-CW2000 are high-precision micro-volume UV/VIS spectrophotometers designed for ultra-low sample capacity analysis. They provide fast, accurate results for nucleic acid, protein, and bacterial concentration measurements. Featuring xenon flash lamps, stainless steel and quartz test platforms, and wide wavelength coverage, these instruments deliver reliable performance in life science, biotechnology, and research laboratories.

Minimum Sample Capacity: 0.5μl
Ultramicro Optical Distance: 1mm / 0.2mm
Wavelength Range: 190–1100nm
Scanning Wavelength: 190–850nm
Wavelength Accuracy: 1nm
Wavelength Resolution: ≤0.3nm (FWHM @Hg253.7nm)
Absorbance Accuracy: 2% (0.76 @257nm)
Absorbance Resolution: 0.002Abs (1mm)
Absorbance Range: 0.02–300 (10mm)
Test Accuracy: 0.1–5 Abs ±0.1 Abs; 5–80 Abs ±2%
Test Time: 5s
Common Specifications
Detector: 3648-pixel linear CCD array
Light Source: Xenon flash lamp
Sample Platform Material: 304 stainless steel & quartz
Standard Accessories: Driver software CD, power line, power adapter
Power Consumption: 24W
Power Supply: AC110/220V ±10%, 50/60Hz
External Size: 200×130×136mm
Package Size: 310×310×310mm
Net Weight: 2.5kg
Gross Weight: 5kg

Most samples don’t need dilution.
Microscale sample testing with a minimum of 0.5μL.
PC control for more precise and flexible operations.
Ultramicro and cuvette dual platform (only for BK-CW2000).
Wide testing area, 100 times the capacity of traditional spectrophotometers.
Direct testing without warming up, eliminating the need for detection containers and reducing daily consumption.

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