Spectrophotometer

Micro-Volume UV/VIS Spectrophotometer BK-CW2000B

Model BK-CW2000B

Micro-Volume UV/VIS spectrophotometer is a high-precision analytical instrument requiring no warm-up and offering simple operation. It rapidly and accurately measures nucleic acids, proteins, and cell solutions using only 0.5~2µL samples. Its cuvette mode also supports concentration measurement of solutions such as bacterial cultures. Equipped with fluorescence detection, the device is compatible with fluorescence quantitative assay kits. Based on the specific binding of fluorescent dyes to target substances, it enables highly precise quantification of DNA, RNA, and proteins, with dsDNA detection sensitivity as low as 0.5pg/µL—ideal for trace sample analysis.

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A closer look

About this equipment

Features:

1. Integrated built-in printer: Print reports immediately upon test completion, delivering one-step data output.

2. Dedicated OD600 detection: Built-in specialized optical path provides a fast, precise solution for measuring microbial culture concentrations.

3. High-sensitivity fluorescence detection: Enables precise pg-level quantification of ultra-trace nucleic acids, meeting advanced research requirements.

4. Multi-path intelligent detection: Measures an ultra-wide concentration range on a single device, eliminating the need for sample dilution while ensuring stable, reliable data.

5. Smart flash light source: Instant detection greatly extends light source lifespan and effectively minimizes sample photodamage.

6. Dedicated contaminant detection capability.

Technical Parameters:

Model

BK-CW2000B

Path Length

0.01mm, 0.02mm, 0.05mm, 0.2mm, 1.0mm

Sample Volume

0.5~2µL

Light Source

Xenon flash light source, flash count >10⁹

Detector

Hamamatsu UV-enhanced CMOS linear array sensor

Scanning Wavelength Range

190~850nm

Wavelength Accuracy

±1nm

Wavelength Resolution

1nm

Wavelength Reproducibility

<±0.2nm

Spectral Resolution

≤0.3nm(FWHM, Hg 253.7nm line)

Absorbance Accuracy

±1%(7.332Abs @260nm as reference)

Absorbance Resolution

0.002Abs(0.2mm path length)

Absorbance Range

0.02~300Abs(Equivalent to 10mm path length)

Nucleic Acid Measurement Range

2~27500ng/µL dsDNA

Protein Measurement Range

0.06~820mg/mL BSA

Detection Time

<5s

Detection Platform

Quartz fiber + stainless steel

Fluorescence Performance

Fluorescence Detection Value Compatible with dedicated reagents, capable of detecting pg-level dsDNA
Fluorescence Sensitivity dsDNA up to 0.5pg/µL
Fluorescence Linearity R² >0.995
Fluorescence Stability ≤1.5%

OD600 Performance

Absorbance Range 0~6.000Abs

<3: ≤0.5%

Absorbance Stability 3~4: ≤2%

<2: ≤0.005

Absorbance Accuracy 2~3: ≤1%

3~4: ≤2%

Absorbance Repeatability <3: ≤0.5%

3~4: ≤2%

Operating System

Android system, 7-inch HD capacitive touchscreen

Interface Output

Supports USB data export

Data Format

Supports image(JPG) and table storage

Standard Accessories

Built-in printer, 10mm glass cuvette*2

Power Supply

AC 110/220V, 50/60Hz

External Size(W*D*H)

200*260*165mm

Package Size(W*D*H)

420*350*280mm

Net Weight

4.23kg

Gross Weight

6.7kg
The details

Specifications

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