Double Beam UV-Vis Spectrophotometer LUS-T2020

Introduction

Double Beam UV-Vis Spectrophotometer is a double beam designed UV-Vis spectrophotometer, offers 190 to 1100 nm of wavelength range with C-T monochromator and 1600 L/mm holographic grating. Features 3D spectrogram measurement for sample with dynamic change, this spectrophotometer has adjustable spectral bandwidth of 1.0 nm to 5.0 nm. Designed compactly with fixed 2 trench sample holder, deuterium and tungsten lamp as light source, it has automatic calibration. Equipped with photomultiplier sensor, digital signal and interface, 4 quartz cuvette, this spectrophotometer provides high resolution, low stray light, lasting stability, and powerful software function. 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 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, environment protection, petrochemical industry, medical and health and scientific research institutes or labs etc.

Specifications

Wavelength range	190 to 1100 nm
Spectral bandwidth	1.0 to 5.0 nm (adjustable)
Optical system	Double beam, C-T monochromator, 1600 L/mm holographic grating
Wavelength accuracy	±0.3 nm
Wavelength repeatability	0.1 nm
Wavelength resolution	0.05 nm
Wavelength edge noise	100%T line ≤0.1%T；0%T line ≤0.05%T
Stray light	0.015 %T (at 220nm and 360 nm)
Baseline flatness	≤±0.001 Abs
Baseline noise	±0.1 %T
Baseline drift	≤0.0004 Abs / h (after warm-up at 500 nm)
Standard sample holder	Fixed 2 trench sample holder
Measuring length	0 to 200% T, -4.000 to 4.000 Abs, -9999 to 9999C, -9999 to 9999F
Transmittance accuracy	±0.3 %T
Transmittance repeatability	0.1 % T
Light switching point	Adjustable; 294 nm to 365 nm
Light Source	Deuterium lamp, Tungsten lamp (20 W/12 V)
Detector	Silicon photodiode detector
Interface	Digital signal;
Cuvette	4 quartz cuvette; 10 mm optical path
Power supply	220 V ± 10%, 50Hz
Power	200 W
Dimension (L×W×H)	620×510×245 mm
Package dimension (L×W×H)	745×635×400 mm
Net weight	30 kg
Gross weight	39 kg

Features

Double beam designed UV-Vis spectrophotometer

190 to 1100 nm of wavelength range with 1600 L/mm holographic grating

3D spectrogram measurement for sample with dynamic change

Adjustable spectral bandwidth of 1.0 nm to 5.0 nm

Fixed 2 trench sample holder, deuterium and tungsten lamp as light source

Photomultiplier sensor, digital signal and interface

4 quartz cuvette of 10 mm optical path

PC control software (Windows based)

Automatic calibration

Highly stable, User-friendly, Controlled by PC

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.