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Autosampler AZURA AS 6.1L

Tempered biocompatible Autosampler for preparative LC

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Article No.: AAA31AA
Articlename: Autosampler AS 6.1L

Tempered biocompatible Autosampler for preparative LC


preparative HPLC autosampler with biocompatible flow path and cooling/heating option

The Autosampler

AS 6.1L can inject from up to 768 positions when equipped with microtiter plates (either high or low formats) or from up to 108 standard 1.5 ml sample vials. Sample carryover is significantly minimized thanks to a highly-effective interior and exterior needle wash procedure. This autosampler is also fast and flexible: one complete sample injection cycle takes less than one minute, including needle wash. “partial loop filling” (variable volumes, e.g. for dilution series) is supported. The headspace pressure function prevents bubbles from forming in the vial during sample uptake. Precolumn derivatization is supported. Preparative version for sample volumes up to 10 ml with biocompatible flow path.

Key Features

Technical Data

Sample injection

Autosampler Flow Path Biocompatible
Maximum back pressure 350 bar
Vial/plate dimensions well plate dimensions according to ANSI SLAS 4-2004 (formerly ANSI/SBS 4-2004)
max. plate/vial height: 47 mm (incl. septa or capmat)
Injection volume range 0.1 µl–10 ml depending on sample loop
Sample loop 10 ml
Dispenser syringe 2500 µl
Headspace pressure built-in compressor, only for vials with septum
Switching time inj. valve < 100 ms
Piercing needle precision ± 0.6 mm
Sample tray cooling 4–40 °C
Vial detection missing vial/well plate detection by sensor
Needle wash programmable: wash between injections and wash between vials
Wetted materials Tefzel® (ETFE), Glass, Teflon® (PTFE), Kel-F® (PCTFE), PEEK

Analytical performance

Injection modes partial loop filling
Injection precision RSD (Rel. Standard Deviation): full loop injection: < 0.3 %, partial loop injection at volumes > 5 µl: < 0.5 %, microliter pickup injection at volumes > 5 µl: < 1.0 %
Sample carryover < 0.1 % with needle washing
Injections per vial max. 9 injections
Injection cycle time minimum 7 s from the same vial, 14 s from different vials; < 60 s for > 100 µl sample injection in all injection modes, incl. 300 µl needle wash
Analysis time max. 9 h, 59 min, 59 s

Communication

Inputs 2 programmable TTL inputs (next injection, freeze, stop)
Outputs 1 programmable relay output (inject marker, auxiliary, alarm)
Control Ethernet (LAN)
Interfaces LAN, analog

Technical parameters

Ambient conditions temperature range: 10–40 °C; 50–104 °F air humidity: 20–80 %

General

Power supply 90–245 V AC
Dimensions 364 x 379 x 623 mm (W x H x D)
Weight 32 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.
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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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