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Basic 100/200 UV-Visible Spectrophotometer for Education and Routine Laboratory Analysis

​The Welso Basic 100/200 Series UV-Visible Spectrophotometer is designed to meet the essential analytical needs of teaching laboratories, research institutions, environmental monitoring, and industrial quality control. 

Product Details

The Welso Basic 100/200 Series UV-Visible Spectrophotometer is designed to meet the essential analytical needs of teaching laboratories, research institutions, environmental monitoring, and industrial quality control. With reliable optical stability and intuitive operation, it is ideal for daily routine tests and foundational scientific experiments.

WSVT-WSUT100-200 (6)

Key Features

Reinforced Structural Base

The instrument adopts a thickened and reinforced base design to ensure stable optical alignment, reducing mechanical vibration and enhancing measurement repeatability.

Sealed Monochromator Design

The enclosed monochromator prevents dust and humidity from affecting the optical system, ensuring long-term reliability and prolonging instrument service life.

High-Stability Light Sources

Equipped with a long-life deuterium lamp and tungsten lamp (≥2000 hours lifespan), with a user-friendly plug-in lamp holder for quick replacement and reduced maintenance difficulty.

High-Resolution Optical System

The 1200 line/mm holographic grating and moisture-resistant optical mirrors provide high spectral resolution and precise absorbance measurement, improving test accuracy.

Measurement Capabilities

Supports photometric measurement, quantitative analysis, and standard curve creation, meeting the needs of routine laboratory testing and scientific research study.

Typical Applications

University and college chemistry & biology teaching labs

Pharmaceutical ingredient purity analysis

Water quality and environmental monitoring

Food and beverage production quality testing

Research lab sample absorbance and concentration measurement

Welso Basic Series — A stable and economical UV-Vis solution for daily laboratory workflows.

Technical Specifications

Specification

WSVT100

WSVT200

WSUT100

WSUT200

Optical System

1200 line/mm Grating, Single Beam

Wavelength Range

325–1100 nm

320–1100 nm

195–1100 nm

190–1100 nm

Spectral Bandwidth

4.0 nm

4.0 nm / 2.0 nm

4.0 nm

4.0 nm / 2.0 nm

Wavelength Accuracy

±1.5 nm

±0.8 nm

±1.5 nm

±0.8 nm

Wavelength Repeatability

≤0.2 nm

Photometric Accuracy

±0.004A (0–0.5Abs), ±0.008A (0.5–1.0Abs), ±0.5% T (0–100%T)

Photometric Repeatability

±0.002A (0–0.5Abs), ±0.004A (0.5–1.0Abs), ±0.2% T (0–100%T)

Stray Light

≤0.1 T @ 360 nm

≤0.1 T @ 360 nm; 220 nm

Stability

±0.002A / h @ 500 nm

Baseline Flatness

±0.004A

Noise

±0.001Abs

Display

480×272, 5-inch touch screen

Photometric Mode

T, A, C

Photometric Range

0–200% T, –0.301–3.0A, 0–9999.9C

Detector

Silicon Photodiode

Light Source

Deuterium Lamp, Tungsten Lamp

Input

Touch Screen

Interface

USB-B ×1


contact us
  • +86 21 51096910
  • sales@welsobio.com
    marketing@welsobio.com
  • 1-1009, National Industrial Design Park, No. 599 Jianzhu Road, Binhu, Wuxi , Jiangsu, China, 214062
  • Head Office: No. 439 Jinglian Road, Minhang District, Shanghai,China, 201108

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Contact us

+86 21 51096910

sales@welsobio.com

marketing@welsobio.com

1-1009, National Industrial Design Park, No. 599 Jianzhu Road, Binhu, Wuxi , Jiangsu, China, 214062

Head Office: No. 439 Jinglian Road, Minhang District, Shanghai,China, 201108

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