Precise, quick, safe and easy sampling and analysis of gasbags and unpressurised gas samples

The EST-TSHR NEXIS GBM Gasbag Sampling Module provides unsurpassed sample data performance with fast analysis times. It boasts several unique hardware features to make sampling and analysis of non-pressurised gas samples safe, speedy and easy. The NEXIS GBM can be connected to any EST-TSHR NEXIS combustion analysers to analyse total sulphur, nitrogen or chlorine levels in non-pressurised gas samples.

This highly precise and versatile analyser delivers maximum sample volume flexibility (from 5-500ml) instead of a standard loop fixed size of 10ml, so it is ideal for both ultra-low and very high concentrated applications. The NEXIS LINK Software provides complete control and operation enabling precision dosing gas sampling.

The NEXIS GBM is compatible for a broad array of atmospheric pressure gasses, so there are no worries about pressures or pressure-related errors. It delivers fast analysis times of less than 500 seconds for both low and high sample volumes, with a default analysis time of 250 seconds. There are endless opportunities for creating calibration levels and replicates in a single queue run based on one gasbag standard.

This device provides complete digital electronic control for dosing a sample’s specific volume and gas injection speed. This also includes extremely accurate feedback providing users with the real injected volume and temperature for each individual injection. The NEXIS GBM also ensures operational safety with Autonomous Pressure Intelligence which monitors the outlet pressure to the analyser continuously and takes the appropriate actions when necessary.

EST-THSR have also included a sensor for detecting hydrocarbon leaks in and around the NEXIS GBM and analyser, as well as a safety purge valve which will operate automatically if and when hydrocarbons are discovered in the NEXIS GBM; the Argon carrier gas will purge all oxidising gasses. An inline particle filter defends the Sample MFC against any particles present in the gas streams or in the vicinity of the GasBag - and possibly caught during a sample change.