A system for monitoring aircraft air including a collector for collecting particulate samples positioned within at least one of an outlet flow path or a recirculation flow path, at least one of an outflow valve positioned in the outlet flow path downstream from the collector, and a retrieval device for retrieving the collector from the outflow valve.

An apparatus includes a sampling probe having a first portion and a second portion. The first portion is configured to penetrate inside a wall of a duct having an inner chamber that is configured to carry a gas stream containing particulate matter therethrough. The first portion is further configured to divert a sample of the, gas stream from the inner chamber of the duet to the second portion that extends from the wall of the duct opposite the inner chamber. The second portion of the sampling probe is configured to direct the sample of the gas stream in a first direction with a second direction corresponding to a direction of the gravitational force of the earth. A first ray corresponding to the first direction forms an angle β with a second ray corresponding to the second direction. The angle β is less than 90 degrees.

An apparatus for optical in-situ gas analysis includes: a housing; a measuring lance a first end connected to the housing and a second end projecting into the gas to be measured; a light transmitter that is arranged in the housing and whose light is conducted into the measuring lance and is reflected by a reflector arranged at the second end onto a light receiver, and the optical path defines an optical measurement path within the measuring lance; and, an evaluation device for evaluating received light signals of the light receiver. In order to be able to reduce the consumption of test gas, the measuring lance has an outer tube, with the outer tube having openings for the gas to be measured. The openings can be closed by at least one seal for the test phase, with the seal searingly closing the openings by the enlargement of its volume.

A sensor apparatus for analyzing a gas in a process chamber, having a housing, a gas sensor for analyzing at least a part of the gas, the gas sensor being arranged at a determined position in the housing, a gas feed for connecting the housing to the process chamber to feed the part of the gas from the process chamber into the housing and to the determined position, and a gas discharge for discharging the gas from the housing, wherein the gas feed and the gas discharge are configured as tubes lying inside one another, characterized by a closure cap at the combustion chamber-side end of the tubes lying inside one another, the closure cap including an even number of at least four openings with the same area, which are connected alternately as a gas inlet and a gas outlet to the tubes lying inside one another is provided.

Provided herein are systems and methods allowing for automated sampling and/or analysis of controlled environments, for example, to determine the presence, quantity, size, concentration, viability, species or characteristics of particles within the environment. The described systems and methods may utilize robotics or automation or remove some or all of the collection or analysis steps that are traditionally performed by human operators. The methods and systems described herein are versatile and may be used with known particle sampling and analysis techniques and particle detection devices including, for example, optical particle counters, impingers and impactors.

The present invention comprises a remote gas monitoring system (RGMS) which improves soil-gas monitoring and data management tasks at landfills and other impacted sites while reducing errors in data collection. The remote gas monitoring system incorporates multiple remote gas monitoring sensors and allows for continuous monitoring of landfill soil-gas composition and more efficient and cost-effective operation of a landfill flare system. The invention also comprises a method of controlling the operation of a landfill flare by signaling the flare to begin and cease operation based on predetermined threshold landfill gas concentrations.

A system for analysis of vent gas of a urea plant, comprising: a Raman spectroscope; a sampling conduit that connects the spectroscope to a main pipe of the urea plant configured to convey a sample stream to be analysed to the spectroscope; and a temperature-adjusting device, operated by a temperature controller and acting on at least one thermal treatment portion of the conduit configured to adjust the temperature of the sample stream circulating in the conduit.

A modular sample conditioning system formed for in-situ sampling installation, referenced herein as “source mounted”. The preferred embodiment of the present invention relates to a docking platform or substrate configured to receive multiple, diverse sampling components in various flow configurations, coupled with a unique housing/enclosure formed to engage the docking platform so as to further strengthen and stabilize the mount, the enclosure also formed to engage one or more of the mounted sampling components, so as to provide access outside of the enclosure for visibility and/or manual access of same, providing an easily installed and maintained, user-accessible, on-site modular sampling conditioning/monitoring system.

A system and method for chemical analysis are described herein. The system includes a probe, a sample collection cartridge, and a chemical analyzer. The probe is configured to collect the optimal amount of sample for a future analysis and to store this chemical sample in the sample collection cartridge. The probe also collects sample data. The chemical analyzer is configured to determine the optimal analysis settings based on the sample data and analyze the chemical sample stored in the sample collection cartridge based on the optimal analysis settings.

Provided herein is a solar powered system for a gas sampling and analysis for placement and operation remote from conventional infra-structure that utilizes a minimum of power to obtain a sample extracted from a source such as a pipeline or well-head, conditions the extracted sample, transmits the conditioned sample through vacuum jacketed tubing to an analyzer while maintaining the sample at a temperature and pressure preventing phase transition, condensation or component partitioning.