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Sensitive Light Scattering Detector for Universal Detection

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Article No.: A0754-3
Articlename: Light Scattering Detector Sedex 90LT

Sensitive Light Scattering Detector for Universal Detection


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.

Key Features

Technical Data

Detection

Detector type Light scattering detector
Detection channels 1
Light source 10 mW - 405 nm laser (Class 3B) elapsed-time counter
Sensitivity 500 pg on column
Maximum data rate Analog: 100 Hz/Digitial: 60 Hz

Nebulizer

Gas nitrogen preferred
Gas flow rate < 3 l/min (< 4 l/min for CC nebulizer)
Gas inlet pressure 3.5 bar
HPLC flow rate 200 µl/min - 2.5 ml/min (HPLC nebulizer); further nebulizers (UHPLC, SFC, low flow) available on request

Heated zone

Temperature range ambient to 100 °C

Communication

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

Technical parameters

Display LCD and keypad

General

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

Documents and more information

Certified Quality 

KNAUER is known for the quality of its products and has been certified several times. We produce high-tech laboratory instruments for research, routine analysis and production.
See all Quality certificates

In addition, we have extended documentation about all our products, including CE Declarations of Conformity.
See all CE Declarations of conformity
 

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