Fluorescence Spectrophotometer LFS-T2011

Introduction

Fluorescence Spectrophotometer is a high performance equipment with a 150 W Xenon wavelength accuracy to meet most of the measurements. Quantum yield is also available for this fluorescence spectrophotometer.

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

They can be widely applicable in material research, drug analysis, biochemical, scientific research clinical testing, water quality control, food safety testing and other areas covering quantity and quality analysis.

Specifications

Excitation Source	150 W Xenon Lamp
Excitation Wavelength	200 nm to 900 nm
Excitation Slit	1 nm, 2 nm, 5 nm, 10 nm, 20 nm
Emission Slit	1 nm, 2 nm, 5 nm, 10 nm, 20 nm
Wavelength Accuracy	± 0.4 nm
Wavelength Repeatability	≤ 0.2 nm
Signal-to-Noise Ratio	S/N ≥ 350 (P-P), S/N ≥ 1000 ()
Limit	≤ 5 × 10 -11 g /ml（Quinine Sulfate Solution）
Linearity	γ ≥ 0.995
Peak Repeatability	≤ 1.5 %
Wavelength Scan Speed	Multi-speed Level, Maximum at 60000 nm / min
Minimum sample size	0.5 mL (Using a standard 10 mm square sample cell)
Octave filter	Build in Octave filter
Photometric Quantity Range	-9999 to 9999
Response Time	Auto adjust (0.02 s, 0.1 s, 0.5 s, 1 s, 2 s, 4 s, 8 s )
Data Transportation	2.0
Power	200 W
Power Supply	AC 220 V / 50 Hz, 110 V / 60 Hz
Dimension	610×460×365 mm
Net Weight	21 kg
Gross Weight	26 kg

Features

Horizontal slit optical design with finite luminous detection efficiency and high

Water Raman peak better than 350: 1 (P-P) or 1000: 1 ()

Standard 10 mm square sample cell utilizes minimum sample volume of 0.5 mL

Wavelength scanning speed is flexible and can reach up till 60000 nm / min

Adjustable bandwidth feature

Accessories are available for Fluorescence Quantum Yield

Software is versatile enough to offer functions like fluorescence 3D scanning, equal wavelength difference synchronous scanning, and equal wave number difference (constant energy difference) synchronous scanning

Synchronous scanning function require pro version software

Multiple accessories provided

Best quality assurance given by using 150 W Xenon Lamp, to provide sufficient light intensity signal to detect sensitivity

Unstable samples is analysed via built-in optical gate and built-in frequency filter

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.