Proportional Double-Beam UV-Vis Spectrophotometer JK TZ-9S
Functions & Application Scenarios:TZ-9S Proportional Double – Beam UV-Vis Spectrophotometer has functions like photometric measurement and quantitative testing. High precision, low noise, suitable for routine analysis and research, meeting multi-field needs.
Design & Performance Advantages:Quasi – double-beam path suppresses drift, with automatic calibration. Spacious sample chamber fits accessories. Large-screen display, long-life light source. Data can be saved and exported.
Technical Specifications
- TZ-9S Proportional Double-Beam UV-Vis Spectrophotometer
- Large-Screen Scanning Quasi-Double-Beam UV-Vis Spectrophotometer
- A large-screen, scanning-type, double-beam spectrophotometer with a user-friendly interface and simple operation. It includes all the testing functions of a conventional spectrophotometer, featuring high precision and low noise, meeting the extensive application needs of routine analysis and scientific research.
Instrument Functions
Photometric measurement: Transmittance (T%), absorbance (Abs), energy (E)
Quantitative testing: Concentration (C) via coefficient method or standard curve method
Wavelength scanning (spectral scanning): Scanning range, interval, and speed can be set
Time scanning (kinetics): Measures change patterns and calculates reaction rates
DNA/protein determination: Direct display of ratios and concentrations; customizable methods
Multi-wavelength testing: Simultaneously measures results at multiple arbitrary wavelengths
Other functions: System applications, spectrum/data processing, report printing, etc.
Instrument Features
Quasi-double-beam proportional monitoring path: Effectively suppresses drift of electrical and optical circuits, suitable for long-term testing
Automatic wavelength calibration: Automatically performs dark current and blank correction, and switches light sources and filters
Spacious sample chamber: Accommodates 5–100mm cuvettes and supports accessories for various tests
High-quality optical and electronic components: Ensure high precision, low noise, and low stray light
Large dot-matrix LCD display: Digital membrane key input, user-friendly interface, simple operation
Long-life eco-friendly flange-mounted deuterium lamp: No optical adjustment needed when replacing the lamp
Real-time saving of spectra and data: Retains data even after power outage; printable and exportable to PC
Sturdy base and optical bracket: Imported key components for long-lasting durability
Optional PC scanning software: Facilitates online operation, expanding data processing and storage capabilities
ITEM | SPECIFICATION |
|---|---|
Model | TZ-9S |
Spectral Bandwidth | 2.0nm |
Wavelength Range | 190-1100nm |
Optical System | Quasi-double-beam proportional monitoring optical path, holographic diffraction grating |
Wavelength Accuracy | ±0.5nm |
Wavelength Repeatability | ≤0.2nm |
Wavelength Setting | Automatic wavelength setting, wavelength resolution 0.1nm |
Photometric Accuracy | ±0.002A (0 - 0.5A), ±0.004A (0.5 - 1A), ±0.3% T (0 - 100%T) |
Stray Light | ≤0.005% T (220/360nm) |
Baseline Flatness | ±0.0015A |
Scanning Speed | High, medium and low speeds adjustable |
Display | 6-inch 320×240 dot-matrix LCD display |
Keyboard | Digital light-touch membrane keys |
Data Interface | USB port |
Power Supply | AC90-250V, 50/60Hz |
Dimensions | 545×466×245mm |
Weight | 20KG |

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