Patents
Patents for G01F 25 - Testing or calibrating of apparatus for measuring volume, volume flow, or liquid level, or for metering by volume (5,338)
10/2008
10/01/2008EP1975576A1 Flow meter system calibration
10/01/2008CN201126376Y Detecting device for gas flow apparatus
10/01/2008CN101278174A Computation electron device and method for determining one or more stiffness coefficient or quality coefficient
10/01/2008CN100422696C Method for contrasting and correcting accuracy of liquid transfering device volume with europium atom labeling method
09/2008
09/30/2008US7429360 Fluid dispension apparatus comprising coupled pipette for use in controlled disposition of fluids on biochip; microfluidics
09/25/2008WO2008113375A1 Method and device for measuring flow velocities
09/25/2008DE102008014327A1 Verfahren zur Fehlererkennung eines Strömungssensors Method for detecting faults of a flow sensor
09/24/2008EP1972906A1 Method for recognising errors in a flow sensor
09/24/2008EP1971833A1 A method and arrangement for calibration of a system for determining the amount of liquid in a reservoir
09/24/2008CN201122109Y Water meter self-checking device
09/24/2008CN101271034A Gas meter leak tightness detecting method and device thereof
09/24/2008CN100420920C Method for the magnetic-inductive determination of the flow rate of a medium
09/24/2008CN100420897C Composite differential volume tube metering type quantitatively conveying method and device thereof
09/18/2008WO2007097760A9 Flow meter and method for detecting a cable fault in a cabling of the flow meter
09/18/2008US20080228424 On-line absolute viscosity measurement system
09/18/2008US20080223108 Pipette and sealing mechanism for plunger
09/18/2008DE10359578B4 Verfahren zum Diagnostizieren eines Rauschfehlers eines Kraftstoffpegelsensors eines Fahrzeuges A method for diagnosing a noisy failure of a fuel level sensor of a vehicle
09/17/2008EP1970675A2 Electromagnetic flowmeter and zero point measurement method thereof
09/17/2008CN101268340A Meter electronics and methods for verification diagnostics for a flow meter
09/17/2008CN101268339A Method for operating an electromagnetic flowmeter and electromagnetic flowmeter
09/17/2008CN100419394C Method and device for correcting output information of flow measurement apparatus
09/11/2008US20080221822 System and Method for Calibration of a Flow Device
09/10/2008EP1966569A2 Level measuring arrangement with a safety cut-out at high temperatures
09/10/2008CN100418064C Method to snapshot and playback raw data in an ultrasonic meter
09/10/2008CN100417923C Dry scaling method for electromagnetic flowmeter based on planar magnetic field point-to-point measurement
09/09/2008US7424346 Apparatus and method for pressure fluctuation insensitive mass flow control
08/2008
08/28/2008WO2008103167A1 Device for metering fluids
08/28/2008US20080202197 Gas Flowmeter Calibration Stand
08/27/2008EP1962067A2 Method for calibrating a flow sensor with one or two temperature-sensitive resistances
08/27/2008EP1961630A2 Detection device for vehicles
08/27/2008CN101251405A Apparatus for calibrating gas instrument
08/27/2008CN101251404A Tester for float level meter
08/27/2008CN100414269C Method and apparatus for validating the accuracy of a flowmeter
08/21/2008DE102008008589A1 Flow sensor's null-point calibration and flow direction detection method, involves measuring electrical power consumption, where measuring signal of electrical power consumption is reached to minimum or maximum
08/20/2008CN101246035A Portable natural gas flow measuring and checking system
08/14/2008WO2008077574A3 Method for operating a vibratory measuring instrument, and corresponding instrument
08/13/2008EP1956347A2 Tapered, frequency-tuned rotor for turbine flow meter
08/13/2008EP1955028A1 Method of calibrating measurement systems
08/13/2008EP1955022A1 Thermal device for determining and/or monitoring the mass flow rate of a fluid medium
08/13/2008CN101243366A Process variable transmitter with diagnostics
08/12/2008US7412336 Attitude insensitive flow device system and method
08/12/2008US7409871 Mass flow meter or controller with inclination sensor
08/07/2008WO2008045823A3 Method and system for providing a linear signal from a mass airflow and/or liquid flow transducer
08/07/2008US20080189054 Method And Apparatus For Directing The Use Of A Coriolis Flow Meter
08/06/2008CN201096509Y Metal can steady flow voltage-stabilizing device
08/06/2008CN101236101A Air flow quantity correcting device
08/06/2008CN100408986C Tester for electromagnetic flowmeter signal converter
07/2008
07/31/2008WO2008072749A3 Flow rate measurement device
07/31/2008WO2008048099A3 Milk meter
07/30/2008EP1949046A1 Meter electronics and methods for verification diagnostics for a flow meter
07/30/2008EP1949045A1 Meter electronics and methods for determining one or more of a stiffness coefficient or a mass coefficient
07/30/2008CN201094074Y Flow measurement calibrating system fluid medium automatic feeding apparatus
07/30/2008CN201094066Y Double corrugated pipe differential pressure levelmeter zero adjusting apparatus
07/30/2008CN101231167A Method for detecting and regulating sea survey line net systematical error
07/29/2008CA2476341C Method for detecting a gas bubble in a liquid
07/24/2008WO2008042952A3 Method of filtering optical signals with a capillary waveguide tunable optical device
07/24/2008WO2008042290A3 Magnetic flowmeter with verification
07/24/2008US20080173067 Automated nasal spray pump testing
07/24/2008DE102007003887A1 Verfahren zur Bedienung einer Vorrichtung zur kapazitiven Bestimmung und/oder Überwachung einer Prozessgröße Method for operating an apparatus for capacitive determination and / or monitoring a process variable
07/23/2008EP1947429A2 Method for operating a device for capacitative measurement and/or monitoring of a process variable
07/23/2008EP1552146A4 Fluid delivery device, system and method
07/23/2008CN100405028C Device for continuous calibration of a gas mass flow measurement device
07/23/2008CN100405026C Leakage sensor calibration device and device for ejecting quantitative liquid to the sensor
07/16/2008EP1756533B1 Coriolis flow meter and method for determining a signal difference in cabling and first and second pickoff sensors
07/16/2008CN100402992C Measuring reservoir
07/15/2008US7399401 Determining a time period associated with a delivery of a fluid; monitoring a rate of electrochemical reaction in a fluid path of the fluid delivery for the determined time period; determining a rate of the fluid delivery based at least in part on the monitored rate of electrochemical reaction
07/15/2008US7399118 Thermal gas flowmeter comprising a gas quality indicator
07/15/2008CA2427038C Method for determining the current filling level of a liquid in a container
07/10/2008WO2008080802A1 Method for starting up and/or monitoring an in-line measuring device
07/10/2008WO2008025935A9 Improvements in or relating to flow metering
07/10/2008US20080163696 Flow Meter
07/09/2008EP1941245A1 Method for determining a process variable of a medium
07/09/2008CN201083522Y Active water generator flux indication calibration device
07/09/2008CN101218488A Device for the capacitive determination and/or monitoring of a fill-level
07/09/2008CN101216339A Electromagnetic flux converter simulated calibration apparatus
07/08/2008US7396512 Automatic precision non-contact open-loop fluid dispensing
07/08/2008CA2439493C Bubble level meter and related method
07/03/2008WO2008077574A2 Method for operating a vibratory measuring instrument, and corresponding instrument
07/03/2008WO2007098265A3 Flow sensor calibrated by volume changes
07/02/2008EP1938052A2 In-line measuring device
07/02/2008CN201081749Y Porous digitally adjusted water meter core
07/02/2008CN101210839A Aerial craft oil mass measurement error correcting method
06/2008
06/25/2008CN100397048C Process connection adapter for a meter calibration system
06/12/2008WO2008070213A1 Controller gain scheduling for mass flow controllers
06/11/2008CN101196420A Method and apparatus for validating the accuracy of a flowmeter
06/11/2008CN101196419A Method and apparatus for validating the accuracy of a flowmeter
06/11/2008CN100394149C System and method for in-situ flow verification and calibration
06/05/2008US20080133182 Method And Apparatus For Measuring Parameters of a Stratified Flow
06/05/2008US20080127712 In-Situ Calibration Verification Device and Method for Electromagnetic Flowmeters
06/04/2008EP1926972A1 Method for operating an electromagnetic flowmeter and electomagnetic flowmeter
06/03/2008US7380564 System and method for a mass flow controller
05/2008
05/29/2008WO2008021017A3 Flow measurement diagnostics
05/29/2008US20080121013 Metering and Pumping Devices
05/28/2008EP1924826A1 Device and method for automatic measuring consumed gas by calculating periodic movement of operation inner mechanism of meters
05/28/2008CN201066300Y Calibration conversion circuit for flux computing instrument
05/28/2008CN101189431A Variable volume, shape memory actuated insulin dispensing pump
05/28/2008CN101187580A Device and method for calibrating a pipette or a dispensing system
05/27/2008US7379832 Multi-channel metering apparatus with automatic calibration
05/22/2008WO2008060950A2 Rapid response blood analyzer
05/22/2008US20080115561 Coriolis flowmeter with zero checking feature
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