Gas chromatograph for laboratory ­environments

July 2014 Analytical Instrumentation & Environmental Monitoring

Gow-Mac has introduced its series 8100 microprocessor controlled gas chromatograph. The instrument’s flexible platform allows for custom, application-specific system configurations for research, industrial, laboratory, academic, and QA/QC environments.

An industrial computer provides the intelligence for the Series 8100 and navigation is accomplished using a menu-driven, high resolution LCD resistive touchscreen and keypad. The Series 8100 accommodates up to two independently controlled detectors that can be operated either individually, in series, or in parallel depending on the ordered configuration. Detectors currently available include thermal conductivity (TCD) and flame ionisation (FID).

Features of the instrument include: a 5 to 450°C operating temperature; independently programmed and controlled temperatures at multiple locations – injection ports, detectors, and column oven; column oven accommodates up to five columns; packed, wide-bore capillary; a column oven temperature programming rate of 0,1 to 40°C/min. in 1°C increments; an oven cooling rate of 350 to 75°C in five minutes; method storage includes three internal with an infinite number externally; manual differential flow controllers or pressure regulators (detector dependent) and direct on-column (direct packed/capillary or split/splitless) or gas sample valve injection methods.

A full array of optional output capabilities is also available i.e., analog: VDC [0-1 V, 0-1 mV, 0-10 V] or digital: RS-232, USB, and Ethernet utilising Modbus and Profinet communication protocols.

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