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UM5000 ELSD



1. 10 years experiences in ELSD, excellent reputation in the field of analytical instrumentation .2.Wide applications in pharmacuetical, biological, environmental and food analysis.3. Best performance with reasonable price.4. Easy operation and maintanence.5. High Sensitivity and accuracy.

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The UM 5000 Evaporative Light Scattering Detector (ELSD) is the next-generation upgraded successor to the UM 3000, the first domestically produced ELSD by Unimicro. Currently, it is widely utilized for the detection of carbohydrates, lipids, fatty acids, amino acids, pharmaceuticals, and polymers, with a particular emphasis on the determination of active ingredients lacking UV absorption in Traditional Chinese Medicine (TCM) and proprietary Chinese medicines.

P.S. As a significant R&D achievement of the National "Tenth Five-Year" Science and Technology Outreach Program, the UM 3000 commenced development in 2004, officially passed acceptance by the Ministry of Science and Technology in May 2007, and has garnered numerous accolades, including the BCEIA Gold Award and multiple domestic patents.

UM 5000 Performance Features:

  • Universal Compatibility: Seamlessly integrates with any HPLC system.

  • Universal Detection: Capable of detecting any analyte with lower volatility than the mobile phase.

  • Superior Sensitivity: Offers significant advantages in both detection sensitivity and dynamic range.

  • Low-Temperature Evaporation: Provides stable high-temperature evaporation up to 130°C.

  • Cost-Effective Performance: Delivers international-standard performance at domestic instrument pricing, offering an exceptional price-to-performance ratio.

  • High-End Configuration: Utilizes a detection assembly combining a semiconductor laser with a Photomultiplier Tube (PMT).

Key Technical Specifications

Caption
Technical Specifications Values
Environmental Conditions Ambient temperature 15-30°C, Relative Humidity <90%
Evaporation Temperature Range Ambient to 130°C
Temperature Adjustment Increment 1°C
Temperature Control Accuracy ±1°C
Gas Requirements Nitrogen or Air
Gas Inlet Pressure Range 2 bar - 5 bar
Gas Pressure Detection Accuracy 0.01 bar
Gas Flow Rate Range 1 L/min - 4 L/min
Gas Flow Accuracy 0.02 L/min
Liquid Flow Rate Range 10 µL/min - 3 mL/min
Detection Light Source 650 nm semiconductor laser
Detection Element Photomultiplier Tube (PMT)
Baseline Noise <0.05 mV (Flow rate 1 mL/min, pure water)
Baseline Drift <0.5 mV/h (Flow rate 1 mL/min, pure water)
Limit of Detection (LOD) <1 ng (Glucose, direct injection)
Typical Quantification Range 0.1 µg - 30 µg (Glucose)
Quantitative Repeatability (RSD, n=6) <2% (Glucose)
Signal Output 0-1 VDC
Computer Interface RS232

Other details:
  • Transportation:By air if not specified.