Gas-chromatograph

This Gas Chromatograph is a versatile, modular, microprocessor-controlled analytical instrument designed for precise separation and analysis of complex gas mixtures in various applications including environmental testing, pharmaceuticals, petrochemicals, and research labs. Built with a temperature-controlled oven and optional detector modules, it allows both isothermal and temperature-programmed operation. The system supports multiple injector and detector configurations, providing flexibility for diverse analytical requirements. Designed for accuracy and ease of use, it features a large LCD for real-time status monitoring and advanced diagnostic checks to ensure reliable performance.

Modular microprocessor-based system for flexible configuration and method development.
Temperature-controlled column oven with ambient to 400°C range, precise control with 0.1°C steps.
Fast heating (70–350°C in 8 minutes) and cooling (400–70°C in 6 minutes) for efficient analysis cycles.
Supports up to 3 injectors, 3 columns, and 3 detectors simultaneously — compatible with packed and capillary columns.
Multiple detectors supported: Flame Ionization (FID), Thermal Conductivity (TCD), Nitrogen Phosphorus (NPD), Electron Capture (ECD).
Large stainless steel oven body with removable front door for easy maintenance and column changes.
Automated diagnostic checks for system status (CPU, RAM, ROM, temperature sensors, etc.).
Windows-based chromatography software for qualitative and quantitative analysis, including peak integration and reporting.
Pneumatic system with electronic pressure and flow control ensuring stable carrier gas delivery.
Extensive method storage with up to 99 programmable methods, customizable ramp profiles, and hold times.
Automated flame detection and re-ignition for FID, ensuring operational safety and reliability.

Parameter	Details
Oven Temperature Range	Ambient to 400°C with ±0.2°C accuracy
Oven Heating Rate	70 to 350°C in 8 minutes
Oven Cooling Rate	400 to 70°C in 6 minutes
Temperature Programming	0.1 to 40°C per minute, 9 ramps, 10 plateaus
Number of Methods	99 stored methods with descriptions
Injector Types	On-column packed and capillary injectors
Injector Temperature Range	Ambient to 450°C ±0.2°C
Detector Types	FID, TCD, NPD, ECD
FID Sensitivity	Minimum detection limit 20 pg/sec (dodecane)
TCD Sensitivity	Minimum detection limit 1000 pg propane
Pneumatic System	Electronic Pressure Control (EPC), Electronic Flow Controller (EFC)
Carrier Gas Pressure Range	0 – 60 psi (N₂, H₂, Air)
Carrier Gas Flow Rate	N₂, H₂: 0 – 100 ml/min; Air: 0 – 800 ml/min
Display	Large LCD showing temperature, status, and current
Oven Capacity	15–16 liters, stainless steel body
Software	Windows-based analysis software with multi-channel support
Dimensions	Standard laboratory instrument footprint

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Gas-chromatograph