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)
07/2010
07/08/2010DE10340844B4 Vorrichtung und Verfahren zur Fehlerbestimmung bei einem Luftströmungssensor Apparatus and method for problem determination at an air flow sensor
07/08/2010DE102009000062A1 Füllstandsmessvorrichtung und Verfahren zur Füllstandsbestimmung Level measuring device and method to determine level
07/07/2010CN201522377U Airway steady flow test bed calibrating device
07/07/2010CN201522317U Online calibrating device of orifice-plate steam flow measuring system
07/06/2010CA2476628C Method and apparatus for circuit fault detection with boiler water level detection system
07/01/2010US20100162788 Calibration of Dust Load Flow Measuring Systems
06/2010
06/30/2010CN101762307A Gas flow calibrating device based on bell shape-column shape dual piston structure
06/30/2010CN101762306A Fuel sensor detecting device of motorcycle
06/29/2010CA2442537C Method of estimating measuring accuracy of dispensing meters
06/24/2010WO2010071564A1 System and method for filling level determination
06/24/2010US20100154508 Apparatus For Measuring Volumetric Or Mass Fluid Flow
06/24/2010US20100154506 Method for mounting a prover
06/23/2010EP2199763A1 Level Measurement Arrangement
06/23/2010CN201514564U Flow calibration PLC automatic control system
06/23/2010CN201514263U Flow capacity calibration monitoring device
06/23/2010CN201514262U On-line scaling and calibrating flowmeter
06/23/2010CN201514261U Plunger-type gas flow calibration device
06/23/2010CN201514260U Universal fueling-defueling detection device for various heteromorphic oil tanks
06/23/2010CN201514259U Device for calibrating liquid flowmeters
06/23/2010CN201514245U Flow sensor with HART communication module
06/23/2010CN201514244U Thermal diffusion principle flow sensor of HART protocol
06/23/2010CN101750136A Dry calibration method of electromagnetic flow meter based on intraductal magnetic field simulation numerical calculation
06/23/2010CN101419088B Calibration device for sonic nozzle gas flowmeter by positive-pressure method and application method
06/17/2010WO2010067038A1 Method for calibrating a device for measuring phase fractions of polyphase fluid under flow conditions, measuring method, and related device
06/17/2010DE102009046871A1 Verfahren und Vorrichtung zur Kalibrierung von Messumformern von Ultraschall-Durchflussmessgeräten Method and apparatus for calibration of transmitters of ultrasonic flowmeters
06/16/2010CN201508218U On-line scaling and self-checking mechanism of float level meter
06/16/2010CN201508217U Gun supporting frame during metrological verification of fuel dispenser
06/15/2010US7735509 Distribution valve monitor and distribution valve incorporating same
06/10/2010US20100145633 Flow controller, flow measuring device testing method, flow controller testing system, and semiconductor manufacturing apparatus
06/10/2010US20100139360 Determining the flow rate of air in a computer system
06/09/2010CN201503301U Flow detection device based on dual time measurement technology
06/09/2010CN201503300U Fuel sensor tester
06/09/2010CN101377427B Method and device for measuring weighting function of electromagnetic flowmeter
06/08/2010US7730760 Method for checking the proper functioning of a level indicator
06/03/2010WO2010060710A1 Apparatus for determining and/or monitoring a process variable for a medium
06/03/2010US20100134304 Vibratory flow meter and method for correcting for entrained gas in a flow material
06/03/2010CA2742228A1 Apparatus for determining and/or monitoring a process variable of a medium
06/02/2010EP2192391A1 Apparatus and a method of measuring the flow of a fluid
06/02/2010EP2191246A1 Clog detection in a clinical sampling pipette
06/02/2010EP2191244A1 Universal transmitter for magnetic flow measurement
06/02/2010EP2191242A1 Use of statistics to determine calibration of instruments
06/02/2010CN201497548U On-line verification system of water meter
06/02/2010CN201497547U Varying head flow device
06/02/2010CN101720421A Liquid level sensor
06/02/2010CN101720420A Measuring system for a medium flowing in a process line
06/02/2010CN101718574A Method for measuring volume of volume variation chamber of constant-pressure pressure leak calibration apparatus
06/02/2010CN101413814B Vortex shedding flowmeter based on CPLD and correcting method thereof
06/02/2010CN101294841B Automatic detecting device and method for measuring tank
06/01/2010US7727476 Device for aspirating and dispensing liquid samples
06/01/2010US7727181 Fluid delivery device with autocalibration
06/01/2010US7726203 Multiphase Coriolis flowmeter
05/2010
05/26/2010CN201488784U Aqueous medium detector
05/26/2010CN201488783U Device with top-ceiling automatic clamping device for detecting gas meter
05/26/2010CN201488759U Ultrasonic gas meter
05/19/2010EP2187182A1 Method for operating a flow sensor subjected to thermal and/or chemical treatments
05/19/2010EP2185902A2 Calibration of dust load flow measuring systems
05/19/2010CN201476850U Gas meter detection system
05/19/2010CN201476849U Device for calibrating flowmeter of large-caliber coal gas delivery pipeline by using tracing method
05/19/2010CN201476825U Electrical resistance tomography correcting electromagnetic flow meter
05/19/2010CN201471372U Special regulating tool for flowmeter correction screws
05/19/2010CN101709990A Device and method for intelligently calibrating water meter
05/19/2010CN101709989A System and method for measuring liquid level in container
05/18/2010US7720625 Method of testing the installation of a measuring device
05/18/2010US7716993 Gas flow rate verification unit
05/18/2010US7716963 Method and apparatus for proving flow meters
05/13/2010US20100116019 Framework for a prover
05/12/2010EP2184589A1 A method and an assembly for measuring a flow
05/12/2010EP2183552A1 Liquid level measurement device and method
05/12/2010EP2183011A1 A patient ventilation system with gas identification means
05/12/2010CN201464003U Rotor flow meter calibrating device
05/12/2010CN201464002U Mobile water meter on-site polling device
05/12/2010CN201464001U Calibrating device of float flowmeter
05/12/2010CN201464000U Bidirectional volume tube with double-ball mutual check device
05/12/2010CN201463999U Sampling test device for wet-type water meters
05/12/2010CN201463998U Oil injector
05/12/2010CN201463967U Remote flow quantity statistical device based on GPRS
05/11/2010US7712347 Self diagnostic measurement method to detect microbridge null drift and performance
05/06/2010WO2010049410A1 Method and thermal flow meter for determining and/or monitoring at least one parameter that depends at least on the chemical composition of a measurement medium
05/06/2010US20100114073 Device and Method Employing Shape Memory Alloy
05/06/2010US20100114029 Device and Method Employing Shape Memory Alloy
05/06/2010US20100114028 Device and Method Employing Shape Memory Alloy
05/05/2010CN101701841A Experimental device and method for researching influence of periodic vibration of pipeline on flow meter
05/05/2010CN101701840A Testing device used for metering trace liquid
05/04/2010US7711509 Method of calibrating a fluid-level measurement system
04/2010
04/28/2010EP2179422A1 Pressure diagnostic for rotary equipment
04/28/2010CN201444056U Integral DSP digital VSF with high precision
04/22/2010US20100100042 Device and Method Employing Shape Memory Alloy
04/22/2010US20100100041 Device and Method Employing Shape Memory Alloy
04/22/2010US20100098848 Fluid Dispense Device Calibration
04/21/2010EP2176470A1 Differential pressure diagnostic for process fluid pulsations
04/21/2010CN201440088U Integrative flow rate calibration platform
04/21/2010CN101696890A Method and device for calibrating flow of gas combustibility test
04/15/2010WO2010042713A1 Viscous fluid flow measurement using a differential pressure measurement and a sonar measured velocity
04/15/2010WO2010040581A1 Device for determining and/or monitoring a process variable of a medium
04/15/2010US20100089118 Method for measuring a fluid composition parameter by means of a flow sensor
04/15/2010CA2739100A1 Viscous fluid flow measurement using a differential pressure measurement and a sonar measured velocity
04/14/2010EP2175246A1 A method for measuring a fluid composition parameter by means of a flow sensor
04/14/2010CN101694399A Device and method for calibrating reverse stroke of bell-jar volume
04/14/2010CN101694398A Suspension structure capable of decreasing pressure fluctuation inside bell-jar
04/14/2010CN101069069B Method and apparatus for determining flow pressure using density information
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