Fluorescence Spectrophotometer LFS-T2012

Introduction

Fluorescence Spectrophotometer consist of a high quality 150 W Xenon light source and photoelectric multiplier tube detectors for providing sufficient light intensity signal to detect sensitivity which ranges between 200 nm to 900 nm. Features fluorescence detection limit of ≤ 1×10-10 g/ml and Water Raman peak of S/N ≥ 150. It consists of the following characteristics, namely, high detection sensitivity, fast scanning speed, high dynamic range, fast 3D scanning, etc. The main principles includes measurement of absorption and fluorescence. Absorbance measurements can be taken via one or more wavelengths. The fluorescence unit increases the measuring range by 1000 for detecting . 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

Fluorescence Spectrophotometer finds application in material research, pharmaceutical analysis, biochemical and clinical testing, water quality analysis and control, food safety testing.

Specifications

Light source	150 W Xenon lamp
Excitation wavelength	200 nm to 900 nm
Emission wavelength	200 nm to 900 nm
Excitation slit	2 nm, 5 nm, 10 nm, 20 nm
Emission slit	2 nm, 5 nm, 10 nm, 20 nm
Wavelength accuracy	±1.0 nm
Wavelength repeatability	≤ 0.5 nm
Signal-to-Noise Ratio	Raman peak of water (P-P): S/N ≥ 150 (10 nm Slit)
Detection limit	≤1×10-10 g/ml (Quinine Sulphate Solution)
Linearity	γ ≥ 0.995
Peak repeatability	≤ 1.5%
Stability (10 min) Zero Drift	±0.3
Stability (10 min) Value Limit	±1.5%
Wavelength scan speed	Multi-speed level, Maximum at 48000 nm/min
Photometric value	0.00 to 10000.00
Data interface	2.0
Maximum power consumption	200 W
Power Source	AC 220 V/50 Hz; 110 V/60 Hz
Dimension	380×445×310 mm
Net weight	12 kg
Gross weight	14 kg

Features

High sensitivity is fetched from high efficiency optical design and weak signal detection technology
Excitation and emission wavelength range from 200 nm to 900 nm to meet most of the fluorescence analysis
Fluorescence detection limit of ≤ 1×10-10 g/ml and Water Raman peak of S/N ≥ 150
Classic fluorescence spectra and high quality 3D fluorescence spectra can be achieved via high scanning speed at 48000 nm/min
Wide Spectral measurement range is achieved using a double monochromator
Excitation light monitoring system consist of a light dual beam ratio to ensure the fluorescence signal is high and stable
Unstable samples is analysed via built-in optical gate
It is a highly advance structure with fine finishing

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.