A maintenance system for a machine is disclosed. The maintenance system may have a test apparatus configured to test a fluid sample extracted from the machine. The maintenance system may also have a database configured to store a test result generated by the test apparatus. In addition, the maintenance system may have a controller. The controller may be configured to access a rule-set from the database. The controller may also be configured to determine whether the test result satisfies the rule-set. Further, the controller may be configured to label the test result as normal when the test result satisfies the rule-set. Additionally, the controller may be configured to label the test result as abnormal when the test result does not satisfy the rule-set.

A method is provided for obtaining a product sample from a vacuum vessel by using a system including a first valve arrangement, a second valve arrangement and a sample receiver connected to the first valve arrangement and the second valve arrangement. The method includes opening the first valve arrangement to provide fluid communication between an upper volume of the vacuum vessel and the sample receiver, opening the second valve arrangement to provide fluid communication between a lower volume of the vacuum vessel and the sample receiver, closing the first valve arrangement and the second valve arrangement, opening the first valve arrangement to provide fluid communication between surrounding atmosphere and the sample receiver, and opening the second valve arrangement to collect the product sample.

An apparatus includes a piston cavity, a piston insertable in the piston cavity, and at least one flow cavity. Each flow cavity is inserted in the piston, alongside the piston cavity such that the flow cavity has a connection with the piston cavity, or between the piston and a wall of the piston cavity by means of one or more differences in cross section between the piston and the piston cavity, and the flow cavity is in contact with a liquid substance being processed. The piston moves back and forth inside the piston cavity and causes with its movement a flow of the liquid substance in each flow cavity in connection with measuring the liquid substance.

A method for in-situ measuring of a liquidus temperature of a supply of the molten salt, includes withdrawing a sample of the molten salt from the supply, placing it into a sample container, and cooling the sample of the molten salt from a first temperature above the liquidus temperature of the molten salt to a second temperature at which at least a portion of the sample of the molten salt solidifies. The method includes taking a plurality of temperature measurements of the sample of the molten salt during cooling of the sample and determining the liquidus temperature of the molten salt from the measurements. The sample of the molten salt is heated from the second temperature to the first temperature and returned to the supply of the molten salt.

A sampling device including a body (101) having a sampling chamber (102) adapted to receive a liquid (103) to be sampled. An inlet (104) on the body (101) allows liquid (103) to flow into the sampling chamber (102). A sampling port (105) on the body is adapted to receive a sampling pot or sample receiving container (106) for collecting liquid (103) from the sampling chamber (102) wherein the sampling port includes a safety shield (107) slidaby mounted to the inside (108) of the sampling port, the safety shield slidable between a blocking position in which access to the sampling chamber is restricted and an accessible position in which access to the sampling chamber is allowed.

A method and system for monitoring wine fermentation is provided. The system comprises a sensor conduit and a sensor enclosure. The sensor enclosure comprises a leveling indicator that indicates if the sensor conduit is vertical.

A container system includes a flexible bag bounding a chamber. A probe port includes an elongated tubular member having an interior surface bounding a first passageway and extending between a first end and an opposing second end, the first passageway being closed at the first end and open at the second end; and a flange encircling and radially outwardly projecting from the tubular member at or toward the second end thereof, the flange being secured to the flexible bag so that the first end of the elongated tubular member projects into the chamber of the flexible bag while the open second end of the elongated tubular member is accessible from outside of the flexible bag. A probe is received within the first passageway of the probe port.

A reactor for measurement of spatially resolved profiles in a single catalyst body includes, in the single catalyst body, a channel which accommodates a sampling capillary. The sampling capillary includes a sampling orifice for taking samples of a fluid phase passing the single catalyst body. By shifting the sampling capillary relative to the single catalyst body spatially resolved profiles of a parameter can be obtained.

The present disclosure provides a system and related methods for adapting groundwater monitoring wells and providing specially adapted aerial drones, with the adapted drones interacting with the modified monitoring wells to allow remote and even automated collection of ground water samples and/or data. The drones can be adapted either by provision of a contamination sensor or by carrying a payload of sample storage containers, and the monitoring wells can be configured to detect the approach of a drone and open automatically, or to have an injection point or even a matching sensor.

A low-pressure cryogenic fluid sampling system includes a cryogenic sample handle assembly; a transfer and vaporization tubular loop; and a sample vessel. The sample handle assembly connects to a cryogenic storage vessel containing a cryogenic fluid. The tubular loop connects to the cryogenic sample handle assembly. The sample vessel removably connects to the transfer and vaporization tubular loop and accommodates a gaseous sample having a pressure lower than about 200 kPa. A method of collecting a gaseous sample with the sampling system includes purging the sample vessel; actuating the handle to purge and refrigerate the tubular loop; extracting a volume of a cryogenic fluid from the storage vessel into the loop to vaporize the cryogenic fluid and produce a gaseous sample; and transferring the sample from the tubular loop into the sample vessel. The sampling system is safer, maintains stoichiometric quantities in the cryogenic liquid, and reduces cross contamination.