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prepELS™ Detector

Gilson’s prepELS™ Detector can be added as the primary, or as an additional, detector to any Gilson preparative or analytical system, or to any other HPLC system on the market. The detector can accommodate flow rates up to 75 mL/min with simplistic, robust splitting packages. No other ELSD on the market can accommodate sample masses up to 5 mg without driving the detector signal off scale.

Cat. No. GA-1810232

The prepELS Detector has unsurpassed capabilities on the analytical scale with the ability to detect analyte down to the low-nanogram level. A unique filtering technology allows for the removal of baseline noise without affecting peak height or shape. Thermo-Split Technology gives users the ability to optimize the detector for any mobile phase or flow rate by precisely controlling temperatures and providing a gentle vapor split.

Features:

  • Patented Thermo-Split Technology allows optimization per sample for any mobile phase or flow rate by precisely controlling the spray chamber and drift tube temperature
  • Straight drift tube design allows for easy cleaning and maintenance versus hard-to-clean coiled drift tubes
  • Revolutionary filtering capabilities allow for effective baseline noise reduction without affecting peak height or shape
  • Two separate gain settings for prep and analytical applications: Low-gain setting for detecting prep-type samples up to 5 mg depending on analyte; Normal-gain setting for detecting sample amounts down to 25 ng
  • Easy-to-use, low-maintenance splitting packages: Static Y-splitting packages for flow rates up to 75 mL/min to optimize flow rates with virtually no maintenance
  • Unique calibration procedure ensures that multiple ELSDs give the same reading
  • Laser Diode light source maintains robust signal strength over the entire 10,000-hour lifetime to ensure consistent, reproducible results

Specifications:

Output Signal 0–10 mV DC or 0–5 VDC
Communication Interface RS-232 or analog output
Detector Hermetically-sealed photo diode/operational amplifier
Light Source 670 nM laser diode, <5 mW
Liquid Contact Materials Stainless steel, glass, anodized aluminum, Viton®, Teflon®
Power Requirements Frequency: 50–60 Hz
Voltage: 100–126 or 200–252V AC
Watts: 600
Gas Consumption Approximately 1 SLPM
Gas Requirement 45–55 psi argon or nitrogen
   
Nebulization Chamber Temperature 0°–80°C
Evaporative Zone Temperature Ambient–120°C
Operating Conditions Intended for indoor use
60°–85°F
<90% R.H., non-condensing
Display Panel 2-line, 20-character per line VFDL
Front Panel 4 touch-sensitive keys
Manufacturing Standards Meets applicable Safety and EMC certification standards; UL and CE certified
Dimensions (w x d x h) 30.5 x 50.8 x 61 cm (12 x 20 x 24 in.)
Weight 21.8 kg (48 lbs.)
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