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Evaporative Light Scattering Detector

The ACQUITY UPLC® Evaporative Light Scattering (ELS) Detector is designed specifically for optimal UPLC®/ELS performance in a small footprint.

Evaporative Light Scattering Detector
Evaporative Light Scattering Detector

Contacts and Location

Description

The ACQUITY UPLC® Evaporative Light Scattering (ELS) Detector is designed specifically for optimal UPLC®/ELS performance in a small footprint.

When your analytes have poor to no UV/Vis response, or don’t ionize well by mass spectrometry, the ACQUITY UPLC ELS Detector with the ACQUITY UPLC System lets you analyze more molecules (including sugars, triglycerides, phospholipids, antibiotics, and natural products) in a single analytical run. Engineered for high volume or open access environments – anywhere large numbers of compounds are screened rapidly – the detector offers a convenient stackable design, easy maintenance, and long lamp lifetimes. Features:

  • Works with other detection techniques for a more comprehensive UPLC(/MS) analysis, for confidence that you’ve detected all of the components in your sample
  • Provides reproducible, reliable results with precise control over nebulization and desolvation processes for the measurement of temperature-sensitive molecules
  • Ensures the benefits of UPLC performance across the entire flow rate range with high data capture rates
  • One nebulizer for the entire flow rate range provides simplified set-up and the benefit of maximized performance.
  • Pre-aligned snap-in lamp is easy to change and provides maximum up-time.
  • Data rates up to 80 Hz provide improved peak definition and confidence in quantitative results.
  • Low gas pressure detection sends a signal to “stop flow” on your LC pump.

Specification

Operating specifications

  • temperature control nebulizer chamber: heater 0-100%, thermally controlled, cooler on/off
  • gas: Nitrogen, to be supplied, at least 65psi
  • temperature range drift tube: 0.1°C increments, feedback accuracy to 0.1°C
  • eluent flow rate maximum: 100% water at 2 mL/min
  • filter setting: hamming, 0-5.0 seconds in 0.1 second increments

Optical component specification

  • optics: heated optics bench (constant 50°C)
  • light source: tungsten halogen polychromatic, grond mounted, pre-aligned, user installable
  • lamp calibration: PMT calibration/normalization to compensate for lamp degradation over time
  • lamp normalization: on demand and at startup diagnostic correts for lamp signal output decrease
  • detector: photomultiplier tube
  • PMT calibration: based on individual PMT
  • voltage range: 0 to 1250 VDC

Data

  • range: 0.1 to 2000 light scattering units full scale
  • analog outputs: 2, LS units and nulizer, drift tube
  • attenuation settings: 10 to 2000 LSU full scale; 10 to 2000 mV
  • RS232 output: user for service diagnosticēs and firmware updates;
  • digital data: 24 bit digital data, 80 Hz using ethernet connection
  • analog output: 2, fully programmable output either ELS detector signal and temperature, can monitor temperature of either nebulizer, drift tube 0 to 2 volts, with user programmable voltage or data offset

Physical/Environmental specifications

  • operating humidity range: <90%, non-condensing
  • operating temperature range: 4 to 30°C
  • compliance: CE Mark CSA C-tick and UL

Services

chromatographic analysis of compounds, mass spectrometry

Status

free
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