The present disclosure provides a detection system and a detection method for a composite detector, comprising a composite detector, a constant-temperature box, a smoke generator, a standard gas storage tank, a gas collection device and a laser Raman spectroscopy analyzer; the constant-temperature box is sealed, and both the composite detector and the gas collection device are arranged in the constant-temperature box; the smoke generator, the standard gas storage tank and the laser Raman spectroscopy analyzer are all arranged outside the constant-temperature box; the constant-temperature box, the smoke generator, and the standard gas storage tank are used to simulate the environment battery thermal runaway, the laser Raman spectroscopy analyzer obtains a first detection data of gas, the composite detector obtains a second detection data, by comparing and analyzing the first detection data with the second detection data, the composite detector is calibrated and a qualitative and quantitative detection result is obtained.

A method according one embodiment includes at least one of bubbling dried air through a hydrogen peroxide solution in a container for producing a first hydrogen peroxide vapor, and passing dried air from the moisture trap into a headspace above the hydrogen peroxide solution in a container for producing a second hydrogen peroxide vapor. Additional systems and methods are also presented.

A method for testing a plurality of sensor devices, a panel and a sensor component are disclosed. In an embodiment a method includes providing the plurality of sensor devices, each sensor device including a sensor element configured to sense an ambient condition, a heating element to heat the sensor element, connection terminals for a supply voltage and at least one connection terminal for a sense signal indicative of a state of the sensor element, providing a panel including a plurality of groups of connection pads, the connection pads of each one of the groups configured to be connected to the connection terminals of one of the sensor devices, mounting the sensor devices to the groups of connection pads, applying a supply voltage to the sensor devices and concurrently heating the heating elements of the sensor devices to an elevated temperature and calibrating the sensor devices at least one after another.

The present invention includes: connecting a pressure varying device to a sample gas introduction port and a gas discharge port of a gas analysis apparatus; depressurizing or pressurizing the sample gas introduction port and the gas discharge port by the pressure varying device; introducing calibration gas from a calibration gas introduction port of the gas analysis apparatus in a depressurized or pressurized state; and calculating a pressure correction factor for the gas analysis apparatus with use of a measurement result of the calibration gas by the gas analysis apparatus.

Despite the desire to measure the composition and concentration of the microparticles included in a gaseous body sample serving as the measurement target, there is a problem that measurement cannot be performed accurately due to the effect of substances other than the gaseous body sample adsorbing to a trapping body of the analyzing apparatus that traps the microparticles, for example. Therefore, provided is a microparticle composition analyzing apparatus that analyzes composition of microparticles contained in a gaseous body sample, comprising a gas analyzer and a control section that sequentially introduces into the gas analyzer a comparative gas and a sample gas caused by the microparticles generated by irradiating the gaseous body sample with a laser.

In an embodiment, a hydrogen monitoring system comprises a plurality of sensing elements that individually comprise a working electrode, a counter electrode, an insulating layer located in between the working electrode and the counter electrode, a catalyst located on an end of both the working electrode and the counter electrode, an electrolyte located on the end of the sensing elements on both the working electrode and the counter electrode, between the working electrode and the counter electrode, and in contact with the catalyst, and an electrical circuit located on an opposite end of the sensing element that connects the working electrode and the counter electrode.

A mobile gas monitor is presented. In accordance with some embodiments, a mobile gas monitor includes a gas sensor; a mobile device coupled to the gas sensor, the mobile device executing instructions to: read data from the gas sensor; provide calibration; and provide calibrated concentrations based on the data from the gas sensor.

A method for testing a gas sensor (30) and a gas-measuring device with a testing device for testing the gas sensor (30) make possible an improved analysis and evaluation of states of gas sensors (30). Due to the testing of a gas admission element (8) by monitoring measured signals (35, 38) in a time course (400) and a comparison with threshold values (350, 351) at predefined times (403, 404), (403, 404) in conjunction with the dispensing (91) of a quantity of test substance (5, 6), it is possible to test whether a gas supply (7) to the gas sensor (30, 309) is possible and given.

A system is configured to generate a pressurized flow of gas comprised of a first gas having a partial pressure that varies in a predetermined manner. This may be used, for example, to simulate a previous and/or theoretical respiratory gas flow that was produced (or could have been produced) by a subject. The system is configured to deliver the pressurized flow of gas to a testing system configured to measure the partial pressure the first gas in flows of gas. This may provide an opportunity to determine the response of individual testing systems to various clinical circumstances.

A system for servicing a gas sensor disposed at a first location in an HVAC installation includes a service unit coupleable to the sensor and disposed at a second location, and a conduit configured to deliver test gas from the second location to a detector of the sensor. The service unit is operable to communicate bidirectionally with the sensor to exchange information therewith in conjunction with delivery of test gas through the conduit to the detector.