GC×GC Thermal Modulator Upgrade Kits

Replace the existing Zoex modulator head clamp and loop holder with the InfoMass alignment-free design for fixed, reproducible loop positioning and improved mechanical robustness. 

Includes the complete Kit A hardware upgrade plus InfoMass software-based control with programmable cold-jet gas flow, modulation period, and hot-jet pulse duration. 

Includes all Kit B capabilities plus a 150 W hot-jet heating system and programmable hot-jet temperature control for greater flexibility under demanding operating conditions.