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Spectrophotometers
product details
The Welso Basic 100/200 Visible and UV-Vis Spectrophotometer offers dependable performance for laboratories seeking accurate and repeatable spectroscopic measurements. Designed with a focus on durability and ease of use, this instrument supports rapid analysis workflows in industrial QC labs, research facilities, and production testing environments.
Product Advantages
Stable Optical Framework
The robust base ensures a consistent optical path and reduces measurement deviation, helping laboratories maintain reliable result precision even in frequent-use conditions.
Improved Optical Durability
The sealed monochromator isolates the system from environmental influence, while the moisture-proof coated optical mirrors help preserve optical clarity over time.
Enhanced Operation Convenience
The long-life tungsten and deuterium lamps are easy to replace due to the socket-based installation design, minimizing downtime and maintenance effort.
High-Performance 1200 Line/mm Grating
Ensures sharp spectral resolution and accurate detection, ideal for both low concentration and high sensitivity measurements.
Multi-Mode Function Support
Provides photometric and quantitative analysis modes, suitable for absorbance measurement, transmittance evaluation, and concentration determination.
Industry Application Fields
Petrochemical analysis laboratories
Biopharmaceutical and fermentation monitoring
Cosmetic and personal care product formulation testing
Agriculture, feed and fertilizer analysis
Beverage and brewing industry quality assurance
Welso — Supporting precise analytical decisions across modern scientific and industrial environments.
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 | |||
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Email: info@welsobio.com
Tel: +86 21 51096910
Head Office: No. 439 Jinglian Road, Minhang District, Shanghai,China, 201108
Branch: 1-1009, National Industrial Design Park, No. 599 Jianzhu Road, Binhu, Wuxi , Jiangsu, China, 214062
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