Agilent G1329A: a high-precision autosampler for HPLC systems
The Agilent G1329A autosampler is a key component of the Agilent 1200 series of HPLC liquid chromatography systems. Designed to automate sample injection, it stands out for its high precision, reliable reproducibility and seamless integration into modern analytical chains. With an injection range of 0.1 to 100 µL, it meets the rigorous requirements of research, quality control and pharmaceutical development laboratories.
One of the major advantages of the G1329A is its X-Z-Theta displacement system, which ensures the exact positioning of vials using a motorised gripper arm. This arm moves samples quickly and accurately, while optical sensors monitor each step of the process to ensure movement accuracy. This reliable mechanism minimises handling errors and optimises cycle times.
Thanks to its analytical head device, the G1329A is capable of injecting volumes of up to 100 µL with a resolution of 7 nanolitres per motor step, offering excellent accuracy of less than 0.25% RSD for volumes from 5 to 100 µL. It is also designed to accept different sizes of vial racks, allowing maximum flexibility according to user requirements, with a total of up to 100 2 mL vials in a single tray.
To limit cross-contamination, the G1329A incorporates an automatic needle cleaning function after each injection. This system is particularly useful for sensitive samples or when analysing low concentrations. In addition, the design of the hydraulic circuit ensures effective rinsing of all parts in contact with the sample during the chromatography cycle.
This model is also compatible with various communication modes, including CAN, GPIB and RS-232C, making it easy to integrate into existing systems. Its intuitive user interface, via ChemStation software or the Instant Pilot control module, simplifies programming and injection monitoring.
The G1329A offers intelligent preventive maintenance via the Early Maintenance Feedback (EMF) system, which alerts the user when service is required. This allows maintenance to be scheduled and system downtime to be reduced. Combined with a robust design and a well-thought-out set of accessories, the G1329A autosampler is an ideal solution for reliable HPLC analysis automation.