Double Beam UV-Vis Spectrophotometer LUS-T2023

Introduction

Double Beam UV-Vis Spectrophotometer offers a wide wavelength range from 190 to 900nm ensuring compatibility with various fields of study. Fully automatic design simplifies measurement procedures for user convenience. Provides versatile measurement methods including wavelength scanning, time scanning, multi-wavelength measurement, and derivative measurement options, displayed on a 6-inch screen. Various sample holders are available to suit user preferences and experimental requirements.

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 employed in many fields including biological research, pharmaceutical analysis, environmental protection, and clinical testing for quantitative analysis of substances based on their absorption of ultraviolet (UV) and visible (Vis) light.

Specifications

Wavelength Range	190 to 900nm
Spectral Bandwidth	4nm, 2nm, 1nm, 0.5nm, 0.2nm, 0.1nm
Optical System	Double beam
Wavelength Accuracy	±0.1nm
Wavelength Reproducibility	≤ 0.05nm
Ambient Temperature	10℃ to 30℃
Indoor Relative Humidity	≤ 85%
Transmittance Accuracy:	±0.2% τ（0-100%τ）±0.002A(0～0.5A) ±0.003A(0.5A～1A)
Transmittance Repeatability	0.1% τ（0-100%τ）±0.001A(0～0.5A) ±0.0015A(0.5A～1A)
Stray Light	≤0.02% τ (220nm NaI，340nm NaNO2)
Stability	0.0005A/h（500nm After preheating）
Noise	±0.0002A (500nm After preheating)
Baseline Flatness	±0.001A
Metering Method	Transmittance, Absorbance, Concentration, Energy
Wavelength Adjustment	Automatic Adjustment
Photometric Display Range	-4 to 4A
Display Mode	Six-inch high-brightness Screen
Detector	Photomultiplier Tubes
Light Source	Imported Deuterium Lamp, Imported Tungsten Lamp
Power Consumption	120W
Power Supply	AC 220V/50Hz 110V/60Hz
Dimensions (W×D×H)	560×450×230mm
Weight	28Kg

Features

Large-scale integrated circuit design

Enhanced optical path design

High-quality light sources and receivers

Output options include a printer, interface, and specialized software

Parameters and data are saved automatically upon power-off

Advanced stabilized power supply technology

Double exhaust system

Integrated shock-proof fastener with a cast aluminum plate

PC software control allows flexible measurement

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.