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BK-CW1000/BK-CW2000 Micro-Volume UV/VIS Spectrophotometer GlanLab

This device allows ultra-low sample testing (as little as 0.5 µL) with no need for dilution. Controlled via PC, it offers flexible and accurate operation. Its dual platform supports a wide test area, 100 times larger than traditional spectrophotometers. It performs tests instantly without warm-up and requires no separate detection container, reducing operational costs. Widely used in quantitative research of nucleic acid, proteins and bacterial concentration.
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Features:

  • Microscale sample test: minimum sample size of 0.5 µL, with most samples requiring no dilution.

  • PC control: offers more accurate and flexible control via PC interface.

  • Dual platform (ultramicro and cuvette): available for both ultramicro and cuvette-based tests (only for BK-CW2000).

  • Wide test area: provides 100 times the test capacity of traditional spectrophotometers.

  • Instant test: can test samples immediately without the need for warm-up.

  • No detection container required: reduces consumable costs by eliminating the need for a separate detection container.

  • Lower daily consumption: designed for cost-effective daily use.


Parameters


Model

BK-CW1000

BK-CW2000

Minimum Sample Capacity

0.5μl

Ultromicro Optical Distance

1mm/0.2mm

1 mm/0.2mm/0.05mm

Cuvette Optical Distance

/

10mm/5mm/2m m/1 mm

Whole Wavelength

190〜1100nm

Scanning Wavelength

190〜850nm

Wavelength Accuracy

1nm

Wavelength Resolution

≤0.3nm (FWHM @ Hg 253.7nm)

Absorbance Accuracy

2%(0.76 @ 257nm)

Absorbance Resolution

0.002Abs (1mm)

Absorbance Range

0.02〜300(10mm)

0.005-300 (10mm)

Test Accuracy

0.1-5 Abs.±0.1 Abs 5〜80 Abs.±2%

0.01〜0.5 Abs. ±0.01 Abs 0.5-80 Abs.±2%

Test Time

5s

Detector

3648 pixel linear CCD array

Light Source

Xenon flash lamp

Sample Test Platform Material

304 stainless steel and quartz

Standard Accessories

• Driver software CD 1 pc • Power line 1 pc ・ Power Adapter 1 pc

Consumption

24W

Power Supply

AC110/220V±10%, 50/60HZ

External Size(W*D*H)mm

200*130*136

Package Size(W*D*H)mm

310*310*310

Net Weight(kg)

2.5

Gross Weight(kg)

5



FAQ


Q1: What is the difference between BK-CW1000 and BK-CW2000?

  • The BK-CW1000 is ideal for routine sample analysis, while the BK-CW2000 offers extended dynamic range and higher sensitivity for advanced research needs.

Q2: How much sample is required for measurement?

  • Both models require as little as 0.5–2 µL, making them perfect for precious or limited samples.

Q3: Can data be exported to a computer?

  • Yes, both models support USB data transfer, while the BK-CW2000 also supports Wi-Fi connectivity.

Q4: What types of samples can be measured?

  • DNA, RNA, proteins, optical density at 600 nm, and other UV/VIS absorbance-based samples.





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GlanLab, with over 20 years of experience, manufactures a full range of centrifuge machines, including benchtop, high-speed, floor-standing, and specialized models in China. We offer distribution, wholesale, OEM services, and single-unit orders at competitive prices. With complete quality certifications and robust after-sales support, GlanLab is your trusted partner for centrifuge supplies.
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