HPLC

HPLC Autosamplers

LC-4000/4500 Series

HPLC Autosamplers

The LC-4000/4500 Series of HPLC autosamplers provide a range of options to suit any sample injection requirements from micro to analytical to prep. Any of these products can be stand-alone and added to an existing system with keypad or optional RS232 control.

To find out more about our comprehensive selection of autosampler vials, please visit our estore, or check out our vial selection infographic here

Compact HPLC autosampler
AS-4550 Autosampler

AS-4550 Compact Autosampler

  • Only 6 inches wide (15cm)
  • Variable and fixed loop injection modes (includes: dilution and pre-column derivatization modes)
  • Optional sample racks for a range of vial sizes and microplates
  • Optional rack temperature control (4-40°C)
Routine HPLC Autosampler
AS-4050 Routine HPLC Autosampler

AS-4050 General Purpose HPLC Autosamplers

The AS-4050 is a 60 sample autosampler for use with conventional HPLC with options for analytical and semi-preparative injection volumes.

RHPLC and UHPLC Autosamplers
RHPLC Autosampler AS-4150

AS-4150/4250 RHPLC and UHPLC Autosamplers

The AS-4150 and AS-4250 are high-capacity, high performance autosamplers designed for RHPLC (up to 70MPa) and UHPLC (up to 130MPa), respectively, with a minimum injection cycle-time of only 30 seconds.

Preparative HPLC Autosampler
AS-4058 Preparative HPLC Autosampler

AS-4058 Preparative HPLC Autosamplers

The AS-4058 is a large volume injection autosampler, up to 5mL as standard (10mL, option). This autosampler is used in preparative systems with either PU-4087 (50mL/min) or PU-4088 (150mL/min) pumps.

Sample Protection

Peltier control is available for maintaining sample temperature and light protection for photo-labile samples is available on the higher level models.

Sample Derivatization and Dilution

Sample preparation is available on the RHPLC and UHPLC autosamplers with dilution and pre-column derivitization.

HPLC Autosampler Flow Diagram
flow diagram (loop injection)

Injection Modes

The injection mode can be switched between fixed and variable loop injections.

Low Carry-Over

An external single solvent wash is included on all models. An optional 5 solvent flushing system can be added to virtually eliminate carry-over. An optional degasser can be installed for degassing up to 5 flushing solvents.

HPLC Autosampler
Easy maintenance, access all consumable parts through the front panel

Maintenance

All LC-4000 Series HPLC autosamplers share the same simple maintenance features, with consumable parts such as injection ports, rotor seals, and loops accessible from the front panel for easy replacement.