Clarity Control Module HTA HT2X00H

Significance of the topic

Headspace sampling is a critical technique for the analysis of volatile organic compounds in complex matrices. Automated headspace autosamplers improve reproducibility, laboratory throughput and reduce exposure risk to operators. Seamless integration of autosamplers with chromatography data systems is essential to streamline workflows and enhance data integrity in quality control and research environments.

Goals and overview of the study

This document outlines the setup and operation of the HTA HT2x00H Headspace Control Module under the DataApex Clarity chromatography station. It aims to guide users through hardware requirements, network-based communication, control module installation, and method configuration to achieve direct control of HT2000H, HT2000HT, HT2100H and HT2800T autosamplers via LAN.

Methodology and instrumentation

Instrument setup:

• HTA headspace autosamplers (HT2000H, HT2000HT, HT2100H, HT2800T)
• DataApex Clarity software with AS Control module
• Ethernet network with crossed UTP cable
• GC interface digital I/O connections for Start and Ready signals

Configuration steps included firmware checks (minimum versions 1.02–1.17), protocol version setting to ensure compatibility, physical wiring of GC Start, Ready and ground pins, and Clarity System Configuration to add the HT2x00H control module. Detailed dialogs allow definition of IP address, standby and operational temperatures for oven and syringe, synchronization modes, and advanced sample handling parameters.

Main results and discussion

Upon completion of setup, the HT2x00H module enables bidirectional communication: methods can be sent and retrieved from the autosampler. Basic and advanced method dialogs define analysis and conditioning times, temperatures, pre- and post-injection dwell, valve flush, sample volumes, fill/injection speeds, and multi-injection sequences. Integration with Clarity’s Sequence table supports optimized sequence mode, preparing subsequent samples in parallel to reduce idle time. Single-run operation is also supported. Troubleshooting capabilities include detailed TCP/IP logging for diagnostics.

Benefits and practical applications

• Fully automated and synchronized headspace sampling within the Clarity environment
• Reduced cycle times via optimized sequence mode
• Flexible synchronization options (Normal, Trigger, Delayed, A-start, EA)
• Comprehensive method parameterization supporting advanced injection strategies
• Robust troubleshooting through communication logging

Future trends and possibilities

Future developments may include enhanced remote monitoring through web and mobile interfaces, integration with laboratory information management systems (LIMS), advanced scheduling algorithms driven by machine learning to further optimize sample preparation, and support for emerging autosampler models. Expanded IoT connectivity and cloud-based data management could further streamline operations and data sharing.

Conclusion

The HTA HT2x00H Headspace Control Module for DataApex Clarity provides a comprehensive solution for automated volatile compound analysis. By leveraging network control, detailed method configuration, and optimized sequencing, laboratories can achieve higher throughput, improved reproducibility, and more efficient resource utilization. Its robust design and diagnostic tools ensure reliable performance in demanding environments.

Used instrumentation

• HTA HT2x00H Headspace Control Module
• Headspace autosamplers: HT2000H, HT2000HT, HT2100H, HT2800T
• Clarity chromatography station with AS Control module
• Ethernet network and digital I/O interface to GC