A carousel assembly is designed to fit into a universal access port of a conditioning enclosure and includes a frame and a panel. The panel is pivotable between a first position, in which a first specimen location is inside the conditioning space and a second specimen location is outside the conditioning space, and a second position, in which the second specimen location is inside the conditioning space and the first specimen location is outside the conditioning space. A sealing door is movable between an open position that permits rotation of the panel and a closed position that blocks rotation of the panel. Preferably, one of the first and second specimen locations is accessible from outside the conditioning enclosure when the sealing door is in the closed position. The carousel assembly can be used to perform a method of conducting environmental testing on a first test specimen and a second test specimen.
(1) Cleaning nozzles sold as integral components of dust collecting machines, namely air filtering machines and dust removing machines in the form of cyclone dust collectors, baghouse dust collectors, particle separators, centrifugal separators, cyclone separators, vibration separators and fabric separators for cleaning and removal of dust created during industrial and manufacturing processes
Cleaning nozzles sold as integral components of dust collectors in the nature of air filtering installations and dust removing installations for cleaning and removal of dust created during industrial and manufacturing processes
4.
Environmental sensor and method of operating the same
A gaseous-fluid environmental sensor having a gaseous-fluid flow system. The gaseous-fluid flow system, in one construction, includes a blower to move the gaseous fluid from an intake port to an exhaust port via a flow path. The gaseous-fluid environmental sensor further includes a controller coupled to a particle count sensor. The controller determines whether the particle count sensor has a fault based on the particle count sensor not sensing a particle or a cosmic ray in a time period.
G01N 21/00 - Recherche ou analyse des matériaux par l'utilisation de moyens optiques, c.-à-d. en utilisant des ondes submillimétriques, de la lumière infrarouge, visible ou ultraviolette
G01N 15/02 - Recherche de la dimension ou de la distribution des dimensions des particules
G01N 15/12 - Recherche de particules individuelles en mesurant des effets électriques ou magnétiques en observant des changements de résistance ou d’impédance à travers des fentes traversées par des particules individuelles, p. ex. en utilisant le principe de Coulter
G01N 35/00 - Analyse automatique non limitée à des procédés ou à des matériaux spécifiés dans un seul des groupes Manipulation de matériaux à cet effet
G01N 21/53 - Dispersion, c.-à-d. réflexion diffuse dans un corps ou dans un fluide dans un courant de fluide, p. ex. dans la fumée
G01N 15/14 - Techniques de recherche optique, p. ex. cytométrie en flux
G01N 15/00 - Recherche de caractéristiques de particulesRecherche de la perméabilité, du volume des pores ou de l'aire superficielle effective de matériaux poreux
5.
Environmental sensor and method of operating the same
A gaseous-fluid environmental sensor having a gaseous-fluid flow system that defines a flow path coupling an intake port to an exhaust port. The gaseous-fluid flow system includes a blower and a flow sensor. The blower includes a motor and the flow sensor is for sensing a flow parameter. The gaseous-fluid environmental sensor further includes a controller electrically coupled to the flow sensor and the motor. The controller is configured to drive the motor with a first commutation sequence and to drive the motor with a second commutation sequence different than the first commutation sequence. The controller is further configured to select the first commutation sequence and the second commutation sequence based on the sensed flow parameter. Also discloses is a method for controlling the gaseous-fluid environmental sensor.
F04D 27/00 - Commande, p. ex. régulation, des pompes, des installations ou des systèmes de pompage spécialement adaptés aux fluides compressibles
G01N 15/14 - Techniques de recherche optique, p. ex. cytométrie en flux
G01N 15/00 - Recherche de caractéristiques de particulesRecherche de la perméabilité, du volume des pores ou de l'aire superficielle effective de matériaux poreux
G01N 33/00 - Recherche ou analyse des matériaux par des méthodes spécifiques non couvertes par les groupes
6.
Environmental sensor and method of operating the same
A gaseous-fluid environmental sensor having a gaseous-fluid flow system. The gaseous-fluid flow system includes a blower to move the gaseous fluid from a inlet intake port to an outlet exhaust port via a flow path. The blower includes a motor, which can have a fluid dynamic bearing. The gaseous-fluid environmental sensor further includes a flow sensor to sense a parameter relating to a flow of the gaseous fluid through the flow path and provide a signal based on the parameter, and a controller coupled to the flow sensor. The controller controls the blower based on the signal.
F16K 31/00 - Moyens de fonctionnementDispositifs de retour à la position de repos
G05D 7/06 - Commande de débits caractérisée par l'utilisation de moyens électriques
G01N 15/14 - Techniques de recherche optique, p. ex. cytométrie en flux
G01N 15/02 - Recherche de la dimension ou de la distribution des dimensions des particules
G01N 15/00 - Recherche de caractéristiques de particulesRecherche de la perméabilité, du volume des pores ou de l'aire superficielle effective de matériaux poreux
G01N 15/10 - Recherche de particules individuelles
7.
Environmental sensor and method of operating the same
A gaseous-fluid environmental sensor having a gaseous-fluid flow system that defines a flow path coupling an intake port to an exhaust port. The gaseous-fluid flow system includes a blower and a flow sensor. The blower includes a motor and the flow sensor senses a flow-related parameter. The gaseous-fluid environmental sensor further includes a battery, an electrical sensor sensing an electrical power-related parameter, and a controller electrically coupled to the electrical sensor, the flow sensor, and the motor. The controller is configured to generate a composite drive waveform having a first component based on the sensed flow-related parameter and a second component based on the sensed electrical power-related parameter. The controller is further configured to drive the motor using the composite drive waveform. Also disclosed is a method of controlling the gaseous-fluid environmental sensor.
G05B 1/02 - Éléments de comparaison, c.-à-d. éléments pour effectuer la comparaison directement ou indirectement entre une valeur désirée et des valeurs existantes ou prévues électriques pour comparer des signaux analogiques
G01N 15/14 - Techniques de recherche optique, p. ex. cytométrie en flux
8.
ENVIRONMENTAL SENSOR AND METHOD OF OPERATING THE SAME
A gaseous-fluid environmental sensor having a gaseous-fluid flow system that defines a flow path coupling an intake port to an exhaust port. The gaseous-fluid flow system includes a blower and a flow sensor. The blower includes a motor and the flow sensor is for sensing a flow parameter. The gaseous-fluid environmental sensor further includes a controller electrically coupled to the flow sensor and the motor. The controller is configured to drive the motor with a first commutation sequence and to drive the motor with a second commutation sequence different than the first commutation sequence. The controller is further configured to select the first commutation sequence and the second commutation sequence based on the sensed flow parameter. Also discloses is a method for controlling the gaseous-fluid environmental sensor.
In operating a vibration testing system, a table is provided with a plurality of distinct regions, and each of the plurality of distinct regions is provided with at least one vibrator of the plurality of vibrators and at least one accelerometer of the plurality of accelerometers. Target vibration strengths are set for each region, and the vibrators are operated. Local vibration strength is measured at each distinct region with the corresponding accelerometer(s) of the plurality of accelerometers. A signal corresponding to each of the measured local vibration strengths is provided to a controller. An individual vibrator control signal is calculated for each distinct region based on the corresponding measured local vibration strength and the corresponding target vibration strength. The individual control signals are provided from the controller to control the vibrator(s) of each distinct region to achieve the target vibration strength at each of the distinct table regions.
A thermal cycling system includes a structure defining a load space, a heating assembly positioned to heat to the load space, and a cooling assembly positioned to cool the load space. The cooling assembly includes a refrigeration circuit and a banking circuit. The refrigeration circuit has a compressor, a refrigeration condenser, a first refrigeration evaporator in direct thermal communication with the load space, a second refrigeration evaporator in parallel with the first evaporator, and primary refrigerant circulating throughout the refrigeration circuit. The banking circuit is gravity fed and includes a banking condenser, a banking evaporator positioned to cool the load space, and a banking refrigerant circulating throughout the banking circuit. The banking condenser includes a collection reservoir to store liquid banking refrigerant and is in thermal communication with the second refrigeration evaporator.
G01M 99/00 - Matière non prévue dans les autres groupes de la présente sous-classe
F25B 29/00 - Systèmes de chauffage et de refroidissement combinés, p. ex. fonctionnant alternativement ou simultanément
F25B 5/02 - Machines, installations ou systèmes à compression, avec plusieurs circuits d'évaporateurs, p. ex. pour faire varier la puissance frigorifique disposés en parallèle
F25B 7/00 - Machines, installations ou systèmes à compression fonctionnant en cascade, c.-à-d. avec plusieurs circuits, l'évaporateur d'un circuit refroidissant le condenseur du circuit suivant
11.
Refrigeration capacity banking for thermal cycling
A thermal cycling system includes a structure defining a load space, a heating assembly positioned to heat to the load space, and a cooling assembly positioned to cool the load space. The cooling assembly includes a refrigeration circuit and a banking circuit. The refrigeration circuit has a compressor, a refrigeration condenser, a first refrigeration evaporator in direct thermal communication with the load space, a second refrigeration evaporator in parallel with the first evaporator, and primary refrigerant circulating throughout the refrigeration circuit. The banking circuit is gravity fed and includes a banking condenser, a banking evaporator positioned to cool the load space, and a banking refrigerant circulating throughout the banking circuit. The banking condenser includes a collection reservoir to store liquid banking refrigerant and is in thermal communication with the second refrigeration evaporator.
A particulate filtration device comprising filter media having upstream and downstream surfaces, a gas-moving device for moving gas through the filter media from the upstream surface toward the downstream surface, and a cleaning assembly including a blow pipe having a plurality of cleaning nozzles for directing a flow of cleaning gas toward the filter media. A first one of the cleaning nozzles comprises a structural characteristic (e.g., throat size, exit angle, exit size) that is different than a second one of the cleaning nozzles. In one embodiment, the filter media comprises a filter bag corresponding with each nozzle, and both the first one and the second one of the cleaning nozzles are spaced substantially the same distance from the corresponding filter bag. The cleaning assembly can also include a plurality of blow pipes (e.g., each having a plurality of cleaning nozzles) coupled to a gas-pressurized manifold, and a valve positioned between the manifold and each blow pipe to control gas flowing from the manifold to the blow pipes. In this configuration, it is preferred that the nozzle nearer the manifold has a larger throat size, smaller exit angle, and larger exit size than the nozzle farther from the manifold.
A particulate filtration device comprising filter media having upstream and downstream surfaces, a gas-moving device for moving gas through the filter media from the upstream surface toward the downstream surface, and a cleaning assembly including a blow pipe having a plurality of cleaning nozzles for directing a flow of cleaning gas toward the filter media. A first one of the cleaning nozzles comprises a structural characteristic (e.g., throat size, exit angle, exit size) that is different than a second one of the cleaning nozzles. In one embodiment, the filter media comprises a filter bag corresponding with each nozzle, and both the first one and the second one of the cleaning nozzles are spaced substantially the same distance from the corresponding filter bag. The cleaning assembly can also include a plurality of blow pipes (e.g., each having a plurality of cleaning nozzles) coupled to a gas- pressurized manifold, and a valve positioned between the manifold and each blow pipe to control gas flowing from the manifold to the blow pipes. In this configuration, it is preferred that the nozzle nearer the manifold has a larger throat size, smaller exit angle, and larger exit size than the nozzle farther from the manifold.
A method of operating a vibratory testing apparatus (10) is disclosed including providing a table frame (14) with at least one vibrator (20) attached thereto and attaching the at least one vibrator to a solenoid valve (24) wherein an input (28) of the solenoid valve is connected to a pneumatic air supply (12) and an output of the valve is connected to the vibrator. The solenoid valve is connected to a controller (23) and a first control signal is sent from the controller to the solenoid valve for opening the valve and allowing a first burst of air to the vibrator thereby causing the vibrator to vibrate the table frame at a first amplitude. Then a second control signal is sent from the controller to the solenoid valve for opening the valve and allowing a second burst of air to the vibrator thereby causing the vibrator to vibrate the table frame at a second amplitude.
B06B 3/00 - Procédés ou appareils spécialement adaptés pour transmettre des vibrations mécaniques de fréquence infrasonore, sonore ou ultrasonore
G01N 29/00 - Recherche ou analyse des matériaux par l'emploi d'ondes ultrasonores, sonores ou infrasonoresVisualisation de l'intérieur d'objets par transmission d'ondes ultrasonores ou sonores à travers l'objet
A method of operating a vibratory testing apparatus is disclosed including providing a table frame with at least one vibrator attached thereto and attaching the at least one vibrator to a solenoid valve, wherein an input of the solenoid valve is connected to a pneumatic air supply and an output of the valve is connected to the vibrator. The solenoid valve is connected to a controller and a first control signal is sent from the controller to the solenoid valve for opening the valve and allowing a first burst of air to the vibrator thereby causing the vibrator to vibrate the table frame at a first amplitude. Then a second control signal is sent from the controller to the solenoid valve for opening the valve and allowing a second burst of air to the vibrator thereby causing the vibrator to vibrate the table frame at a second amplitude.
B06B 1/12 - Procédés ou appareils pour produire des vibrations mécaniques de fréquence infrasonore, sonore ou ultrasonore utilisant l'énergie mécanique fonctionnant avec des systèmes impliquant des masses en mouvement alternatif
A particulate filtration device having a cleaning assembly including the cleaning nozzle that accelerates gas toward the downstream surface of the filter media. The cleaning nozzle comprises an inlet portion defining a converging inlet path, a throat portion defining a narrowest portion of the nozzle, and an outlet portion defining a diverging path and ending at an exit edge. The inlet portion, throat portion, and outlet portion collectively create an inner surface of the nozzle. The nozzle defines a centerline and an exit half angle relative to the centerline, and the exit half angle is about ten degrees. The nozzle has a throat area at the throat portion and an exit area at the exit edge. A ratio of the exit area to the throat area is about 1.4. A portion of the inlet portion adjacent the throat portion has a throat inlet radius, and a portion of the outlet portion adjacent the throat portion has a throat outlet radius. The throat outlet radius is larger than the throat inlet radius. For example, a ratio of the throat outlet radius to the throat inlet radius is about 2.9.
A particulate filtration device having a cleaning assembly including the cleaning nozzle that accelerates gas toward the downstream surface of the filter media. The cleaning nozzle comprises an inlet portion defining a converging inlet path, a throat portion defining a narrowest portion of the nozzle, and an outlet portion defining a diverging path and ending at an exit edge. The inlet portion, throat portion, and outlet portion collectively create an inner surface of the nozzle. The nozzle defines a centerline and an exit half angle relative to the centerline, and the exit half angle is about ten degrees. The nozzle has a throat area at the throat portion and an exit area at the exit edge. A ratio of the exit area to the throat area is about 1.4. A portion of the inlet portion adjacent the throat portion has a throat inlet radius, and a portion of the outlet portion adjacent the throat portion has a throat outlet radius. The throat outlet radius is larger than the throat inlet radius. For example, a ratio of the throat outlet radius to the throat inlet radius is about 2.9.
A test chamber that is capable of operating in a mode where the temperature of the chamber is efficiently cooled without removing a substantial amount of moisture from the air. The test chamber includes a structure defining a work space having air, and a temperature control system. The temperature control system includes a heat exchanger positioned to communicate with the air in the work space, a source of cold fluid coupled to the heat exchanger, a source of hot fluid coupled to the heat exchanger, and a controller for controlling a mixture of cold fluid and hot fluid entering the heat exchanger The controller is programmed such that the temperature of the mixture entering the heat exchanger is controlled to limit a temperature differential between the heat exchanger and the air in the work space
A test chamber that is capable of operating in a mode where the temperature of the chamber is efficiently cooled without removing a substantial amount of moisture from the air. In one aspect, the test chamber includes a structure defining a work space having air, and a temperature control system (e.g., a refrigeration system having a compressor, a condenser, and an evaporator valve). The temperature control system includes a heat exchanger (e.g., an evaporator) positioned to communicate with the air in the work space, a source of cold fluid (e.g., a compressed, condensed, and throttled refrigerant) coupled to the heat exchanger, a source of hot fluid (e.g., compressed refrigerant gas) coupled to the heat exchanger, and a controller for controlling a mixture of cold fluid and hot fluid entering the heat exchanger (e.g., by adjusting a cold fluid valve and/or a hot fluid valve). In order to limit the loss of humidity caused by condensation on the heat exchanger, it is preferred that the controller is programmed such that the temperature of the mixture entering the heat exchanger is controlled to limit a temperature differential between the heat exchanger and the air in the work space.
F25D 9/00 - Dispositifs non associés à des machines frigorifiques et non couverts par les groupes Combinaisons de dispositifs compris dans plusieurs des groupes
F25D 21/00 - DégivragePrévention du givrageÉvacuation du condensat ou de l'eau de dégivrage
F24F 3/14 - Systèmes de conditionnement d'air dans lesquels l'air conditionné primaire est fourni par une ou plusieurs stations centrales aux blocs de distribution situés dans les pièces ou enceintes, blocs dans lesquels il peut subir un traitement secondaireAppareillage spécialement conçu pour de tels systèmes caractérisés par le traitement de l'air autrement que par chauffage et refroidissement par humidificationSystèmes de conditionnement d'air dans lesquels l'air conditionné primaire est fourni par une ou plusieurs stations centrales aux blocs de distribution situés dans les pièces ou enceintes, blocs dans lesquels il peut subir un traitement secondaireAppareillage spécialement conçu pour de tels systèmes caractérisés par le traitement de l'air autrement que par chauffage et refroidissement par déshumidification
In an embodiment of the present invention a method of monitoring individual vibrators in a pneumatic vibration testing system is disclosed. The method includes providing a pneumatic vibration testing system including at least one vibrator, where each vibrator is connected to a pressurized air system through an output of a valve. Pressurized air is then supplied at a known pressure to an input of the valve. When that air is supplied to the valve the valve releases air in measured bursts to the vibrator and the pressure between the valve and the vibrator is monitored. The pressure between the valve and the vibrator is compared to the known pressure, which indicates if the vibrator is failing or has failed. In preferred embodiments, the testing system includes a plurality of vibrators and an equal plurality of valves, each vibrator is connected to the pressurized air system through a single valve.
In a first embodiment of the present invention a method of monitoring individual vibrators in a pneumatic vibration testing system is disclosed. The method includes providing a pneumatic vibration testing system including at least one vibrator, where each vibrator is connected to a pressurized air system through an output of a valve. Pressurized air is then supplied at a known pressure to an input of the valve. When that air is supplied to the valve the valve releases air in measured bursts to the vibrator and the pressure between the valve and the vibrator is monitored. The pressure between the valve and the vibrator is compared to the known pressure, which indicates if the vibrator is failing or has failed. In preferred embodiments, the testing system includes a plurality of vibrators and an equal plurality of valves, each vibrator is connected to the pressurized air system through a single associated valve.
B06B 1/18 - Procédés ou appareils pour produire des vibrations mécaniques de fréquence infrasonore, sonore ou ultrasonore dans lesquels le vibrateur est déclenché par pression de fluide
22.
ENVIRONMENTAL SENSOR, PARTICLE COUNTING SYSTEM HAVING AN ENVIRONMENTAL SENSOR, AND METHODS OF OPERATING THE SAME
An environmental sensor including an inlet and an outlet such that a flow of fluid moves from the inlet to the outlet, a particle detection portion to detect particles in the fluid, and a controller connected to the particle detection portion. The environmental sensor can be in communication with a data acquisition system (e.g., via a wireless access point) to form a particle counting system. Also disclosed are methods of operating the environmental sensor and methods of operating the particle detection system.
In a preferred embodiment, a vibrator table apparatus includes a primary table member driven by at least two vibrators, having upper and lower surfaces and defining x and y axes. The improvement of this embodiment includes at least one of the upper and lower surfaces of the primary table member defining an opening for each of a first plurality of substantially parallel channels and an opening for each of a second plurality of substantially parallel channels substantially perpendicular to the first plurality of channels.
An environmental sensor including an inlet and an outlet such that a flow of fluid moves from the inlet to the outlet, a particle detection portion to detect particles in the fluid, and a controller connected to the particle detection portion. The environmental sensor can be in communication with a data acquisition system (e.g., via a wireless access point) to form a particle counting system. Also disclosed are methods of operating the environmental sensor and methods of operating the particle detection system.
An environmental sensor including an inlet and an outlet such that a flow of fluid moves from the inlet to the outlet, a particle detection portion to detect particles in the fluid, and a controller connected to the particle detection portion. The environmental sensor can be in communication with a data acquisition system (e.g., via a wireless access point) to form a particle counting system. Also disclosed are methods of operating the environmental sensor and methods of operating the particle detection system.
G01N 31/00 - Recherche ou analyse des matériaux non biologiques par l'emploi des procédés chimiques spécifiés dans les sous-groupesAppareils spécialement adaptés à de tels procédés
A vibrator table apparatus includes a primary table member (10) driven by at least two vibrators (40), having upper and lower surfaces (12, 14) and defining x and y axes (20, 22). The improvement of this embodiment includes at least one of the upper and lower surfaces (12, 14) of the primary table member (10) defining an opening (38) for each of a first plurality (26) of substantially parallel channels (24) and an opening (38) for each of a second plurality (28) of substantially parallel channels (24) substantially perpendicular to the first plurality (26) of channels (24).
G01N 29/00 - Recherche ou analyse des matériaux par l'emploi d'ondes ultrasonores, sonores ou infrasonoresVisualisation de l'intérieur d'objets par transmission d'ondes ultrasonores ou sonores à travers l'objet
A baffle for use with an environmental sensor such as a particle counter. The environmental sensor includes a housing and an inlet. The inlet has an axis and defines a first cross-sectional area with respect to the axis. The baffle includes a bullet configured to be positioned adjacent to the inlet along the axis. The bullet has a second cross-sectional area with respect to the axis that is between about seventy-five percent smaller than the first cross-sectional area and about three-hundred percent larger than the first cross-sectional area. In some constructions, the baffle substantially reduces interference from external light sources without substantially inhibiting the transport of particles entrained in the fluid to be analyzed by the environmental sensor.
G01N 21/00 - Recherche ou analyse des matériaux par l'utilisation de moyens optiques, c.-à-d. en utilisant des ondes submillimétriques, de la lumière infrarouge, visible ou ultraviolette
28.
Microbial gaseous-fluid sampler and method of operating the same
A portable microbial gaseous-fluid sampler includes a gaseous-fluid flow system at least partially supported by a structure. The gaseous-fluid flow system includes a gaseous-fluid intake portion having an intake port, a blower in fluid communication with the intake port, and a gaseous-fluid exhaust portion having an exhaust port. The sampler can further include an exhaust filter operable to substantially filter a totality of the gaseous fluid flowing through the sampler prior to exhausting the gaseous fluid. The sampler also can include a control system operable to control at least gaseous-fluid flow through the sampler, and a remote sampling head.
09 - Appareils et instruments scientifiques et électriques
16 - Papier, carton et produits en ces matières
37 - Services de construction; extraction minière; installation et réparation
Produits et services
Weather measuring instruments; weather translators, weather transmitters, wind speed, wind direction and temperature sensors; particle measuring instruments; airborne particle counters; liquid borne particle counters; particle counters for remote monitoring; particle counters for clean room validation; spectrometers; pulse height analysers; particle counting monitoring systems comprising remote particle sensors, signal processing units and software; diluters and high pressure diffusers used primarily to measure high pressure gas. Manuals, textbooks and instructional publications, concerning weather measuring instruments, particle counters and analysers, nebulizers, spectrometers and diluters. Maintenance and repair services in relation to weather measuring instruments, particle measuring instruments and counters; nebulizers, spectrometers, pulse height analysers, diluters and high pressure diffusers.
09 - Appareils et instruments scientifiques et électriques
16 - Papier, carton et produits en ces matières
37 - Services de construction; extraction minière; installation et réparation
Produits et services
Weather measuring instruments; weather translators, weather transmitters, wind speed, wind direction and temperature sensors; particle measuring instruments; airborne particle counters; liquid borne particle counters; particle counters for remote monitoring; particle counters for clean room validation; spectrometers; pulse height analysers; particle counting monitoring systems comprising remote particle sensors, signal processing units and software; diluters and high pressure diffusers used primarily to measure high pressure gas. Manuals, textbooks and instructional publications, concerning weather measuring instruments, particle counters and analysers, nebulizers, spectrometers and diluters. Maintenance and repair services in relation to weather measuring instruments, particle measuring instruments and counters, nebulizers, spectrometers, pulse height analysers, diluters and high pressure diffusers.
09 - Appareils et instruments scientifiques et électriques
Produits et services
(1) Weather measuring instruments, namely, translators, transmitters, wind speed, wind direction and temperature sensors; and particle measuring instruments, namely, airborne particle counters, liquid borne particle counters, particle counters for remote monitoring, particle counters for clean room validation, nebulizers, spectrometers, pulse height analyzers and particle counting monitoring systems comprised of remote particle sensors, signal processor unit and software; diluters and high pressure diffusers used primarily to measure high pressure gas.
09 - Appareils et instruments scientifiques et électriques
Produits et services
LABORATORY TEST EQUIPMENT, NAMELY, ENVIRONMENTAL TEST CHAMBERS, VIBRATION MACHINES, ELECTRICAL DATA ACQUISITION APPARATUS, ELECTRICAL TEST APPARATUS FOR TESTING ELECTRONIC PRODUCTS, ELECTRICAL CONTROLS FOR ENVIRONMENTAL TEST CHAMBERS, LABORATORY FREEZERS, AND ELECTRICAL POWER AMPLIFIERS THROUGH THE DISTRIBUTION OF PRINTED MATERIALS
09 - Appareils et instruments scientifiques et électriques
Produits et services
Weather measuring instruments, namely, translators, transmitters, wind speed, wind direction and temperature sensors; and particle measuring instruments, namely, airborne particle counters, liquid borne particle counters, particle counters for remote monitoring, particle counters for clean room validation, nebulizers, spectrometers, pulse height analyzers and particle counting monitoring systems comprised of remote particle sensors, signal processor unit and software; diluters and high pressure diffusers used primarily to measure high pressure gas
09 - Appareils et instruments scientifiques et électriques
Produits et services
weather measuring instruments, namely, translators, transmitters, wind speed, wind direction and temperature sensors; and particle measuring instruments, namely, airborne particle counters, liquid borne particle counters, particle counters for remote monitoring, particle counters for clean room validation, nebulizers, spectrometers, pulse height analyzers and particle counting monitoring systems comprised of remote particle sensors, signal processor unit and software; [ diluteers ] * diluters * and high pressure diffusers used primarily to measure high pressure gases
09 - Appareils et instruments scientifiques et électriques
11 - Appareils de contrôle de l'environnement
Produits et services
laboratory test equipment, namely environmental test chambers, vibration machines, electrical data acquisition apparatus, electrical test apparatus for testing electronic products, electrical controls for environmental test chambers, laboratory freezers, and electrical power amplifiers [freezers and industrial ovens]
09 - Appareils et instruments scientifiques et électriques
Produits et services
WEATHER MEASURING INSTRUMENTS-NAMELY, WIND SPEED AND DIRECTION TRANSLATORS AND TRANSMITTERS, TEMPERATURE SHIELDS, AXIOMETERS, BIVANES, AND SUNPHOTOMETERS; WEATHER MEASURING SYSTEMS-NAMELY, ANALOG AND DIGITAL DATA COLLECTION SYSTEMS; AND PARTICLE COUNTERS AND SYSTEMS, PARTICLE ANALYZERS, AND ASSOCIATED EQUIPMENT-NAMELY, CALIBRATORS AND DILUTION SYSTEMS