for universal detection, 5 μl/min – 5 ml/min
This ELSD has been developed as well for ultrafast HPLC.
The light source is a 405 nm laser, which increases the sensitivity even further. Sedere’s unique Low-Temperature-Technology allows outstanding analytical results to be achieved with this detector.
As an universal detector, an ELSD offers numerous possibilities for detecting substances that have few or no chromophores (carbohydrates, proteins, peptides, polymers, lipids, steroids, etc.). Since the eluents are evaporated, the use of non-UV-compatible solvents poses no problems and the ELSD is gradient compatible. Complete SOP protocols for GLP conformity and validation procedures are available. This detector can be controlled with OpenLab® EZChrom, Chromeleon® and ClarityChrom® software, via USB or RS-232 or via the keypad and digital display on the front panel, allowing it to be integrated into almost any LC system.
Technical Data
| Detector type |
Light scattering detector |
| Detection channels |
1 |
| Light source |
10 mW – 405 nm laser (Class 3B) elapsed-time counter |
| Sensitivity |
Mid-picogram level (LOD Stearic acid = 500pg) |
| Maximum data rate |
Analog: 100 Hz/Digitial: 60 Hz |
| Gas |
nitrogen preferred |
| Gas flow rate |
< 3 l/min (< 4 l/min for CC nebulizer) |
| Gas inlet pressure |
3.5 bar |
| HPLC flow rate |
standard HPLC: 5 µl/min–5 ml/min with 4 nebulizers/ultra high performance LC with 1 nebulizer/SFC with 1 nebulizer |
| Temperature range |
ambient to 100 °C |
| Gain |
1 to 12 – factor 211 (2048) |
| Filter |
moving average (0 – 10 s) |
| Analog outputs |
0 – 1 V |
| Analog control input |
contact closure, TTL for ready, autozero, power down |
| Control |
USB, RS-232 |
| Power-down methods |
shut-off: gas, light source, heating and/or PMT cleaning mode |
| Power supply |
230 V/50 Hz, 1.7 A – 115 V/60 Hz, 1.8 A |
| Dimensions |
250 x 480 x 550 mm (W x H x D) |
| Weight |
16 kg |
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Sedex 90LT Low Temperature Evaporate Light Scattering Detector User Manual EN
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List of supported devices in chromatography data systems EN (V1663)
Device support in KNAUER CDS / KNAUER device support in 3rd party software
ICON Scientific, Inc
