Micro-Volume UV/VIS Spectrophotometer BK-CW2000 190–1100nm (CAT#: STEM-LT-1029-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 / 0.05mm
Cuvette Optical Distance: 10mm / 5mm / 2mm / 1mm
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: 0.005–300 (10mm)
Test Accuracy: 0.01–0.5 Abs ±0.01 Abs; 0.5–80 Abs ±2%
Test Time: 5s

1200L/mm grating for precise measurements.
Long-life imported Deuterium and Tungsten lamps.
7-inch LCD display for clear viewing.
Wide capacity voltage for flexible operation.
Power-on self-test for operational reliability.
High-sensitivity photoconverter for accurate readings.

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