A measuring device can be used under high pressure and can measure impurity particles contained in a hydraulic oil with high accuracy. A flow path hole opening on two facing surfaces of a housing has flat side surfaces. A cavity opens on the side surface, and a cavity opens on the side surface. Light emitted from a light irradiating section irradiates a hydraulic oil flowing in the flow path hole, via a cell disposed in the cavity in a direction substantially orthogonal to a center axis. Light passing through the hydraulic oil is received by a light receiving section via a cell disposed in the cavity opening on the side surface.

Provided are a dust detection apparatus a method of manufacturing the same, and the dust detection apparatus may include a body capable of sucking in or discharging air containing dust, by using a fan, and including a fluidic channel through which the sucked air flows, a light emitter provided in the body to radiate a light signal by using a laser device, a lens provided in the body to concentrate the light signal radiated from the laser device, a light receiver provided in the body to detect scattered light generated when the radiated light signal is scattered by the dust in the air, a substrate provided in the body to mount electronic components thereon, and a shield case surrounding the body to be at least partially in contact with the substrate.

An analysis system is provided which enables an optical analysis with high accuracy.

An analysis system A in which light is radiated on a liquid sample to analyze the sample includes a reaction part 1 which includes a reaction tank 12, an inlet port 14, and an outlet port 16, an analysis part 2 which includes an analysis cell 22a, at least one light source part 24, and at least one light receiving part 26, and a flow path tube 3 which includes a first flow path 32 and a second flow path 34. A measurement part 222 of the analysis cell 22a includes a first measurement portion 2221 and a second measurement portion 2222, which have mutually different sectional areas.

Hydrocarbon condensate detection and control. The hydrocarbon condensate detection and control system includes detecting hydrocarbon in an aqueous mixture and controlling the flow of the aqueous mixture based on the hydrocarbon content of the aqueous mixture.

The invention relates to a device (1) for analyzing milk, comprising: a line section (2) for the milk, a light source unit (4) which emits light into the line section (2), a detection unit (5) for detecting light exiting from the line section (2), and in particular an evaluation unit (6) which is designed to analyze the milk in relation to the ingredients based on signals of the detection unit (5).

It is aimed to analyze a gas component of a to-be-analyzed gas with a reduced influence of a liquid component contained in the to-be-analyzed gas. Provided is an analyzing apparatus for analyzing a gas component of an exhaust gas that has passed through a scrubber apparatus and the like. The analyzing apparatus includes a collecting nozzle configured to collect a to-be-analyzed gas, a liquid collecting unit configured to collect a liquid component contained in the to-be-analyzed gas collected by the collecting nozzle and to allow the to-be-analyzed gas to pass therethrough, a liquid discharging unit configured to discharge the liquid component collected by the liquid collecting unit, and an analyzing unit configured to analyze a gas component of the to-be-analyzed gas that has passed through the liquid collecting unit.

A water quality sensor comprising a fluorescence sensor arrangement 16 operable to measure a fluorescence intensity, a temperature sensor 22 and a turbidity sensor 24, the outputs of which are used in combination to derive a value for the BOD concentration of a sample, wherein the output of the temperature sensor 22 is used to apply a correction to the sensed fluorescence intensity value using the equation

[00001]$F_{\mathrm{ref}}=\frac{F_{\mathrm{mes}}}{1+\left(T_{\mathrm{mes}}-T_{\mathrm{ref}}\right)}$

where F is the fluorescence intensity signal, T is temperature ( C.), and the subscripts mes and ref represent the measured and reference values respectively, and is a temperature compensation coefficient.

Provided in one example is an apparatus, including a substrate supporting a microfluidic channel, a bubble jet inertial pump supported by the substrate adjacent the microfluidic channel to pump fluid through the microfluidic channel and an optical sensor on a first side of the microfluidic channel. A light emitter on a second side of the microfluidic channel is to pass light across the microfluidic channel to the optical sensor.

The invention relates to a method and to a device for monitoring the quality of gaseous media which can be dispensed by a filling station, in particular hydrogen, by means of an infrared measuring system (42), which is connected into the dispensing path of live respective gaseous medium running fom the filling station to a consumer, and which measures the transmission of infared radiation at different wavelengths and different pressures and calculates therefrom the concentration of contaminants, which influence the quality. At least when predeterminable quality parameters are exceeded, this is indicated.

The invention provides a material characterisation system and method for characterising a stream of material emanating from a material identification, exploration, extraction or processing activity, the system comprising: a source of incident radiation (64) configured to irradiate the stream of material in an irradiation region (18); one or more detectors (300,302,312,1701,1704,1600,1607,1608,1604) adapted to detect radiation emanating from within or passing through the stream of material as a result of the irradiation by the incident radiation (1700) and thereby produce a detection signal (313); and one or more digital processors (304-311,2000-2009) configured to process the detection signal to characterise the stream of material; wherein the source of incident radiation (64) and the one or more detectors (300,302,312,1701,1704,1600,1607,1608,1604) are adapted to be disposed relative to the stream of material so as to irradiate the stream of material and detect the radiation emanating from within or passing through the stream (1700) as the stream passes through the irradiation region (18).