172results about "Testing/calibration for volume measurement" patented technology

Various corporate, industry, and regulatory guidelines, best practices and standards are used in establishing acceptable levels of accuracy for volume dimensioning systems used in commerce. A volume dimensioning system can determine at least one distortion value that is indicative of an amount of distortion present in the system and responsive to the amount of distortion, autonomously alter or adjust the units of accuracy of information reported by the system. Such alteration or adjustment of units of accuracy may be performed based on an assessment of the distortion relative to a number of distortion thresholds. Responsive to the assessment, the volume dimensioning system can adjust a unit of accuracy in a representation of volume dimensioning related information.

A method for the accurate measurement of the true dimensions and true geometric shape of an insulated, or otherwise wrapped tank, and for the subsequent calculation of the strapping table (strap chart) thereof, for any desired liquid height increment, without removing the wrapping (insulation), or draining and cleaning the tank on the inside. A number of points are identified and located on the tank shell, for which 3D coordinates measurement is desired. A target is used for each desired measurement point. The method uses a total station to determine the 3D coordinates of a minimum of 3 points on a reflective target. The target is attached to a bolt that can be threaded through the tank insulation until the end of the bolt makes snug contact with the tank shell. The 3D coordinates of the 3 points on the target, measured with the total station, are converted to the coordinates of the point of contact between the tank shell and the tip of the bolt, which could not be sighted or measured otherwise, being covered by the insulation.

A dispense verification meter for measuring and verifying dispense operations (e.g., actual dispensed volumes) of media dispense systems. The dispense verification meter preferably automatically corrects zero offset drift, preferably samples the flow rate of media being dispensed at a sufficiently high sample rate, and verifies whether the desired dispense operation has been achieved.

An apparatus and method estimate fluid mass in a cryogenic tank that holds a multiphase fluid comprising a liquid and a vapor. The apparatus comprises a level sensor, a pressure sensor and a computer. The level sensor provides a parameter representative of a level of the liquid. The pressure sensor provides a pressure signal representative of vapor pressure inside the cryogenic tank. The computer is operatively connected with the level sensor and the pressure sensor to receive the parameter and the pressure signal, and is programmed to determine the level from inputs comprising the parameter, to calculate a first volume of the liquid from inputs comprising the level, and to calculate a first mass of the liquid from inputs comprising the first volume and the pressure signal.

A system for measuring the volume of a tank, including an optical device that emits a laser beam adjacent to a surface of the tank, and a magnetic trolley selectively moveable along the surface of the tank and configured to be remotely controlled by an operator. The magnetic trolley has a linear position sensor in communication with the laser beam to determine the position of the magnetic trolley relative to the laser beam as the magnetic trolley moves on the surface of the tank. A data processor communicates with the linear position sensor to calculate the volume of the tank based at least partially on the position data collected by the linear position sensor.

A method and apparatus for measuring and calibrating the measurement of small volumes of liquids. The small volumes of liquid are typically dispensed from liquid delivery devices, the delivery device often having multiple channels to analyze many samples at once. The liquid samples are delivered to one or more cells, typically in a multi-well plate, and positioned in a spectrophotometer for determining an absorbance of a chromophore in the liquid sample. Based upon an absorbance measurement and the concentration of the chromophore, a path length of the liquid sample is determined, from which a volume of the sample may be calculated. The method and apparatus provide various means for correcting for differences in the dimensions and/or other factors causing a non-linear deviation from the Beer-Lambert law. A system or kit may be provided including sets of sample solutions of varying dilution ranges for calibrating different liquid volumes. The kit may further include software code for storing and analyzing the various sample solutions.

An apparatus for dynamically measuring a volume of fuel in a fuel tank of unknown geometry includes a fuel level sensor mounted on the fuel tank, a fuel meter for measuring a volume of fuel being consumed, and a rewritable look-up table storing correspondence between volumes of fuel and levels of fuel in the fuel tank. The loop-up table is rewritten as the oil in the tank is consumed. A system website is used for remotely monitoring the fuel tank of a building.

An arrangement and process for calibrating and/or equilibrating single-channel and multi-channel liquid handling devices, wherein a dispensing volume of a liquid is dispensed via the dispensing channels of a liquid handling device into a measurement chamber of a measurement chamber carrier, each measurement chamber being associated with a dispensing channel, and the individual measurement chambers are hermetically sealed successively relative to the environment and are connected to a pressure chamber under an operating pressure so that an equilibrium pressure occurs that is relevant to the respective dispensing volume.

A measurement device containing one or more capillaries to measure the volume of a dispensed fluid and determine the volumetric accuracy of the dispensing device. The measurement device can contain a reservoir containing the fluid to be measured and there may be an additional reservoir for a secondary fluid. A viewing window is necessary to complete a manual measurement and may include a magnifying lens. The liquid well by the capillary inlet may be shaped such that the measurement fluid is directed toward the capillary. The well may have features designed to position the dispensing device toward the capillary, or to position the well proximal to the capillary after it is filled. The well may also have surfaces or coatings which attract or do not attract various types of substances. The measurement device may interface with sensors to output measurement data.

The invention provides an apparatus and method for calibrating a dispensing system. A dispenser dispenses a controlled quantity of material into a container for receiving material. A system, preferably a vision system comprising an image capturing device and an imaging system, is adapted to capture an image of a physical dimension of a quantity of dispensed material in a given time. The physical dimension may be a width of a top surface area, a height or a cross-sectional area of the dispensed material. A calibrating system is adapted to calculate a volume of the quantity of material based upon said physical dimension.

A system and related method for improved liquid delivery evaluation using a solution containing one or more dyes such that the solution exhibits multiple distinct detectable light absorbance spectral features for calibrating or testing over extended volume or dilution ranges are described. The system includes: a photometric instrument capable of measuring optical absorbance at multiple wavelengths; one or more sample solutions to be dispensed using the liquid delivery system whose performance is being tested or calibrated; and vessels optionally pre-filled, or filled by the user, with diluent solution. The sample solutions contain one or more dyes, chosen so that multiple distinct detectable light absorbance spectral features, such as peaks and/or valleys and/or plateaus of the solution can be distinguished for volume or dilution ranges of interest. The concentrations of the dyes may be chosen so that a large volume delivery device is calibrated using a spectral feature in the solution with a low absorbance per unit pathlength, while a small volume delivery device is calibrated with the same sample solution but using a different spectral feature with a high absorbance per unit pathlength.

A method and test apparatus determines a volume of a droplet of liquid. The test apparatus deposits a drop of liquid to be measured on a surface that provides a known contact angle with the liquid under the deposition conditions used, thereby establishing one of: (i) an advancing, (ii) a receding, and (iii) an intermediate contact angle. The test apparatus images the drop. The test apparatus measures a dimension of height or diameter of the drop. In one embodiment, the test apparatus calculates a volume of the drop of liquid from the relationship of the contact angle to one or more parameters selected from the maximum height, the diameter of the contact patch, the radius of curvature, or the cross sectional area of the drop.

A system for calibrating pulmonary function test equipment having syringe means, including a syringe having a cylindrically shaped sidewall, a proximal end with an centrally located orifice, a distal end with an output port, an interior cavity, and a plunger with a shaft slidably mounted through the orifice, a piston-type head mounted on one end of the shaft, and a handle mounted on an opposing end of the shaft; an FRC port; a rigid FRC bag connected in flow communication with the FRC port; control means having a plurality of stop mechanisms, including a first stop mechanism, a second stop mechanism structured to enable selective connection of the interior cavity in flow communication with the FRC port, and a third stop mechanism, and connection means structured to connect the syringe means to existing pulmonary function test equipment. A method of utilizing the system is also disclosed.

The invention relates to the method and apparatus for forming the calibration chart used to measure the amount of fuel inside the fuel tanks (1) which comprises at least one laser distance measurement device (2) positioned inside said fuel tank (1) and measuring the distance between itself and the inner wall of said fuel tank (1) at separate points, at least one main shaft (14) providing said distance measurement device (2) with rotational movement circularly in the direction of B through up to 360 degrees and in the upward-downward direction of A through up to 270 degrees and at least one inclinometer (4) positioned on the surface (9) and measuring the angle X between said fuel tank (1) and the ground on which it is located.

The invention provides a meter-in and meter-out dual calibration device and method for calibrating the volume of a horizontal metal tank, and relates to the technical field of measuring. The initial volume of a tank A filled with water is Vm, a tank B is empty totally, and a numerical value of a liquidometer A and the numerical value of a liquidometer B are recorded respectively; water is sucked from the tank A, metered through a standard and injected into the tank B repeatedly, and numerical values of the liquidometers A and B are recorded respectively; the liquidometer B of the tank B corresponds to the injection water volume, and calibrated tank volume data is obtained after calibration is completed; the initial volume value Vm is obtained after water in the tank A is sucked completely, the each reading of the liquidometer A corresponds to the remaining water volume in the tank obtained by subtracting the volume of sucked water from Vm, the volume is converted after calibration is completed, and calibrated tank volume data is obtained. The technical problem that an existing metal storage tank volume is large in volume calibration error and low in efficiency is solved. The device and method have the advantages that equipment input is saved, energy consumption is lowered, calibration efficiency is high, the meter-in and meter-out working modes are calibrated, a result is reliable, operation is easy, and adaptability is good.

A system is provided that can include a 3D sensor. The 3D sensor can be configured to detect an area of an elevator on a harvester. The 3D sensor can further be configured to transmit a first signal associated with the area. The system can also include a processing device in communication with the 3D sensor. The system can further include a memory device in which instructions executable by the processing device are stored for causing the processing device to receive the first signal and determine a volume of a material on the elevator based on the first signal.

The invention discloses a data processing method of calibration of an oil tank volume table with integral. The method comprises the steps that first, oil tank oil gun data is collected and stored in a database; second, screening is conducted on the collected data, and meanwhile a tank gun relation table of every oil tank in a gas station is obtained; third, data preprocessing is conducted on the screened data based on the tank gun relation table, and effective data pairs are obtained; fourth, curve fitting is conducted on the effective data pairs, then integral is conducted on the fitted curve formula to obtain the mathematical expression of the height and volume of each oil tank, and the volume table is generated; fifth, error analysis is conducted on the volume table generated. Through implementation of the data processing method, in the condition that closure and tank emptying are not needed, normal operation of the gas station is ensured, and management of quantity and quality of the gas station is improved.

An aircraft fuel-gauging system has multiple gauging sensors in each tank divided into two groups. Each group of sensors connects with a respective processor. The processors are linked to provide a display in the cockpit to give an indication of fuel quantity derived from all the sensors. The two processors also provide separate, nominally-identical display indications of fuel quantity on a refuel panel on the exterior of the aircraft. The refueller can compare these two separate quantity indications with the flow meter in the fuel dispenser to confirm that the correct quantity has been dispensed.

The present disclosure is directed to a system for determining sensor condition. A sensor signal generated by a sensor to communicate the current condition of an aspect being monitored by the sensor may also be employed to determine the condition of the sensor itself. For example, a device capable of determining if the sensor condition is normal or malfunctioning (e.g., erratic, stuck, etc.) may comprise a monitoring module (MM) to receive the sensor signal. The MM may comprise a sensor condition determination module (SCDM) to determine sensor condition. The SCDM may include a feature extraction engine to determine various characteristics of (e.g., to “extract features” from) the sensor signal and a model to determine sensor condition based on the extracted features. The model may include a support vector machine (SVM) taught to determine sensor condition utilizing sampled sensor signals correlated with annotations of sensor condition.

The application discloses a method for detecting a fuel tank. The detecting method comprises: receiving a fuel quantity change parameter calibrated by a user at a smart terminal; receiving detection parameters collected from a fueling terminal through a sensor according to a preset frequency; and inputting the fuel quantity change parameter and the detection parameters into a preset volume calibration model and estimating the volume of the fuel tank. The volume calibration model at least includes a full fueling value and an air liquid level pressure value. Therefore, a technical problem that the fuel tank metering management is poor because the volume of the same type of fuel tank cannot be intelligently estimated is solved.