Double Beam UV-Vis Spectrophotometer LUS-T2012

Introduction

Double Beam UV-Vis Spectrophotometer is a compact, tabletop unit designed with double beam monochromator, comprising automatic calibration and silicon photocell sensor. Features fixed 2 trench sample holder with 4 quartz and 4 glass cuvettes and 190 to 1100 nm of wavelength range with C-T monochromator and 1200 L/mm holographic grating. Equipped with deuterium lamp and tungsten lamp as light source. Integrated with blue display, Windows based PC control software and interface for data transfer.

This analytical equipment is designed to meet the rigorous requirements of modern laboratory operations, ensuring high precision, reliability, and ease of use for various experimental applications.

Applications

Double Beam UV-Vis Spectrophotometer is widely used for photometric measurement, spectrum scan, quantitative determination, dynamics measurement, 3D map measurement, multi-wavelength test, / Protein concentration measurement etc. across factories, schools, metallurgy, agriculture, food industry, biochemistry, and scientific research institutes, etc.

Specifications

Wavelength Range	190 to 1100 nm
Spectral Bandwidth	1.8 nm
Optical System	Double beam, C-T monochromator，1200 L/mm holographic grating
Wavelength Accuracy	±0.3 nm
Wavelength Repeatability	0.2 nm
Wavelength Resolution	0.1 nm
Wavelength Calibration	Automatic calibration after starting up
Measuring Range	0 to 200% T, -0.301 to 4.000 Abs, -9999 to 9999C, -9999 to 9999 F
Transmittance Accuracy	±0.3% T
Transmittance Repeatability	0.1% T
Light Source	Tungsten lamp, Deuterium lamp
Stray Light	≤0.05% T @ 220 nm, 360 nm
Light Switching Point	294 nm to 365 nm (adjustable)
Display	320×240 mm Blue display
Baseline Flatness	≤±0.001 Abs
Baseline Drift	≤0.0005 Abs / half hour (after warm-up at 500 nm)
Sample Holder	fixed 2 trench sample holder
Cuvette	4 Quartz cuvette (10 mm optical path) 4 Glass cuvette (10 mm optical path)
Sensor	Silicon photocell
Interface
Output	Digital Signal
PC Software	Yes
Power Supply	220V ± 10% 50 Hz, 85 VA / 110 V ± 10% 60 Hz 85 VA
Dimensions (L×W×H)	545 × 450 × 235 mm
Package Dimension (L×W×H)	660 × 560 × 400 mm
Net Weight	17 kg
Gross Weight	26 kg

Features

Double beam monochromator provides high linearity by ensuring extremely low stray light

Silicon photocell sensors and automatic calibration function ensures accurate results

Fixed 2 trench sample holder for easy operation

4 quarts and 4 glass cuvettes of 10 mm optical path, for convenient sample handling

190 to 1100 nm of wavelength range with C-T monochromator and 1200 L/mm holographic grating

Deuterium lamp and tungsten lamp as a light source, provides high-resolution

display, Windows based PC control software and interface for data transfer

FAQs

1. What are the key factors to consider when selecting this analytical equipment for laboratory use?

When selecting this analytical equipment, key factors include: 1) The instrument's precision and accuracy to meet experimental requirements; 2) Compatibility with the types of samples and applications you will be working with; 3) Ease of use and maintenance requirements; 4) Safety features to protect operators and samples; 5) Calibration and certification requirements; 6) Cost-effectiveness and long-term reliability; 7) Technical support and service availability from the supplier. Evaluating these factors ensures that the instrument meets your laboratory's specific needs.

2. How often should this analytical equipment be calibrated to ensure accurate results?

It is recommended to calibrate this analytical equipment at least once every 6-12 months under normal usage conditions. More frequent calibration (every 3-6 months) may be necessary if: 1) The instrument is used continuously for extended periods; 2) It is exposed to harsh environmental conditions (temperature fluctuations, humidity, dust); 3) It is used for critical applications requiring high precision; 4) The instrument has been moved or subjected to physical shock; 5) Calibration checks indicate significant deviations from standard values. Always follow the manufacturer's calibration guidelines.

3. What are the common maintenance procedures required for this analytical equipment?

Common maintenance procedures include: 1) Regular cleaning of the instrument's exterior and sample contact surfaces to prevent contamination and ensure proper operation; 2) Inspection of moving parts (if applicable) for wear and lubrication as recommended by the manufacturer; 3) Replacement of consumable parts (filters, bulbs, reagents) according to usage guidelines; 4) Verification of performance parameters (temperature, pressure, voltage) regularly; 5) Storage of the instrument in a clean, dry environment when not in use; 6) Keeping a maintenance log to track service activities and identify potential issues early; 7) Following the manufacturer's specific maintenance schedule for optimal performance and longevity.

4. Can this analytical equipment be used with different types of samples, and are there any compatibility considerations?

Yes, this analytical equipment can be used with a variety of sample types, but compatibility considerations are important: 1) Check if the instrument's materials are compatible with the chemical composition of your samples (avoid corrosive or reactive substances that may damage the instrument); 2) Ensure that the sample volume and concentration are within the instrument's recommended range; 3) For biological samples, consider sterility requirements and potential cross-contamination risks; 4) For volatile or hazardous samples, ensure proper ventilation and safety precautions are in place; 5) Consult the manufacturer's documentation for specific sample compatibility guidelines, and perform compatibility tests with new sample types before regular use.

5. What should be done if the analytical equipment malfunctions or produces inconsistent results?

If malfunctions or inconsistent results occur: 1) First, check the instrument's user manual for troubleshooting guidelines specific to the issue; 2) Verify that the instrument is properly calibrated and within its calibration period; 3) Inspect for obvious issues such as loose connections, damaged parts, or incorrect settings; 4) Clean the instrument thoroughly to remove any contamination that may affect results; 5) Repeat the experiment with a known standard sample to determine if the issue is with the instrument or the sample; 6) If the problem persists, discontinue use of the instrument to prevent further damage or inaccurate results; 7) Contact technical support or a qualified service technician for diagnosis and repair, providing details of the issue and any troubleshooting steps already performed.