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)
04/2014
04/16/2014CN203551049U 45-degree spiral folded unidirectional volume pipe
04/16/2014CN203551048U Online detection device for diaphragm gas meter
04/16/2014CN102589656B Test method and measuring device for acoustic delay of gas ultrasonic flowmeter
04/16/2014CN102538912B Method for analyzing additive errors of flow field of ultrasonic flowmeter
04/15/2014US8695396 Method of calibrating the meter of a product distribution apparatus and monitoring method
04/10/2014US20140096586 Device and method for measurement of ultrasonic transit times
04/09/2014CN203534679U Correction system of orifice plate flow meter
04/09/2014CN203534660U Self-calibrated automatic volume calibrating device for oil tank truck
04/09/2014CN103712669A Flow gauge online calibration device
04/09/2014CN102680058B Movable liquid flux standard device adopting mass method
04/09/2014CN102538915B Pulley pneumatic expansion joint
04/08/2014CA2405717C A flow meter module for a controller
04/03/2014WO2014051925A1 Method and apparatus for self verification of pressure based mass flow controllers
04/03/2014WO2014051482A1 Verification of a level gauge system
04/03/2014DE102012109237A1 Durchflussmessgerät, sowie Verwendung dieses Durchflussgerätes und Verfahren zur Ermittlung der Fließgeschwindigkeit Flow meter, and using this flow device and method for determining the flow velocity
04/02/2014CN203519119U Mobile natural gas flow measurement standard device
04/02/2014CN203519118U Flowmeter calibrating device
04/02/2014CN203519117U Oil quantity sensor measuring and controlling device based on DSP
04/02/2014CN203519116U Oil quantity sensor measuring and controlling system based on DSP
04/02/2014CN203519115U Online monitoring system for precision of tobacco feeding and perfuming flowmeter
04/02/2014CN103697974A Verifying device and verifying method of liquid metal flowmeter
04/02/2014CN103697973A Verification of a level gauge system
04/02/2014CN102735317B Method for determining replacement period of large-caliber mechanical water meter
04/02/2014CN102353427B Detection device for metrological characteristics of water meter and detection method for using same
03/2014
03/27/2014WO2014046586A1 Arrangement and method for testing a level gauge system
03/27/2014WO2014045104A1 System for measuring the flow rate of a gas and use of said measuring system in a method for determining the error of a flow meter during normal operation without disconnecting it from any pipes
03/27/2014US20140083159 Self-calibrating mechanism and self-calibrating method for flow rate sensor, and diagnostic mechanism and diagnostic method for fluid sensor
03/26/2014EP2710618A2 Systems and methods for remote testing of a flow switch
03/26/2014CN203502093U Device for online cleaning and calibrating oil well water seepage and viscosity reduction water meter
03/26/2014CN203502092U Ultrasonic flowmeter accumulation pulse converter
03/26/2014CN203502091U In-situ detection device for fuel quantity sensor
03/26/2014CN203502090U Plate-type deflecting device
03/26/2014CN203502089U Adjustable reverser
03/26/2014CN103674194A Verification system and verification method of electromagnetic flowmeter
03/26/2014CN103674193A Multichannel ultrasonic flow standard dynamic transmission device and application method thereof
03/26/2014CN103674192A Flow meter monitoring device
03/26/2014CN103674191A Flow meter detection device
03/26/2014CN103674190A Device and method for calibrating LNG adding machine calibrating device with mass method
03/26/2014CN103674189A Method for monitoring flow meter faults of turbine system
03/26/2014CN103674188A On-line flow calibration method for oilfield flooding system
03/26/2014CN103674126A Movable multi-channel large-air-flue air volume measuring system
03/26/2014CN103674120A Composite gas flow measuring device based on MEMS (micro-electromechanical system) sensitive elements and measuring method thereof
03/25/2014US8677800 Framework enveloping a prover
03/20/2014WO2014040873A1 Method for assembling and testing the functionality of a structural unit having a fill level gauge in a non-stationary container
03/19/2014CN203489922U Gas turbine flowmeter
03/19/2014CN103649691A Method for determining the flow rate of fluids using the ultrasonic transit-time method
03/19/2014CN102203570B Apparatus for determining and/or monitoring a process variable for a medium
03/18/2014US8671733 Calibration procedure considering gas solubility
03/13/2014WO2014037138A1 Device and method for recalibrating an exhaust gas mass flow sensor
03/13/2014US20140069165 Inert gas delivery system for electrical inspection apparatus
03/13/2014DE102013200685A1 Process instrumentation field device i.e. Coriolis mass flow measuring device, for monitoring interior of housing, has evaluation device monitoring resistance signal and outputting signal for indicating error condition
03/12/2014CN203479373U Verifying device of double-flange liquid level meter
03/12/2014CN203479372U Full-automatic error correction checking device for electronic water meters
03/12/2014CN203479371U Gas flow standard device
03/12/2014CN203479370U Fuel capacity test unit of automobile combination instrument
03/12/2014CN203479369U Gas meter stopwatch platform
03/12/2014CN203479251U High-precision magnetostriction displacement/liquid level sensor calibration system device
03/12/2014CN102564535B Gas meter function experimental device
03/11/2014US8670950 False echo storage in case of container noise
03/11/2014CA2565033C Self-calibrating meter with in-meter diffuser
03/06/2014WO2013189590A3 System for throughflow measurement
03/06/2014US20140060147 Systems and methods for mass flow controller verification
03/06/2014DE102013202967B3 Method for detecting complete or partial blockage of measuring tube of measuring feeder of Coriolis mass flowmeter, involves outputting diagnosis information only when predetermined minimum value of mass flow rate is exceeded
03/05/2014EP2703788A1 Metering device and method for calibrating chambers of a tank
03/05/2014EP2702373A1 Device for measuring a fuel flow and calibrating device therefor
03/05/2014CN203465089U Verifying instrument for oxygen inhalator
03/05/2014CN203464984U Self-lifting container combination applying oblique support springs
03/05/2014CN203464983U Self lift type standard weighing container
03/05/2014CN203464982U Intelligent detection device of liquid level sensor
03/05/2014CN103616060A Three-level annular flexible related micro-flow measuring device
03/04/2014US8666684 Air conditioning system and method for calculating amount of filling refrigerants of the same
02/2014
02/27/2014WO2013165236A3 Device and method for determining a mass flow of a fluid in a conduit
02/26/2014EP2699776A1 Method and device for determining the dosed reducing agent volume in an scr system
02/26/2014CN203455057U Electromagnetic wave checking device of radar liquid level meter
02/26/2014CN103604486A Method and device for calibrating trace leakage detection of aluminum alloy die casting
02/26/2014CN103604225A Digital liquid level collection self-adaptive correcting method of liquid level sensor
02/25/2014US8656780 Methods for retrofitting natural gas meters
02/25/2014US8656752 Flow meter adjusting method, flow rate measuring device and adjustment data controlling system
02/20/2014US20140049635 Volume dimensioning system calibration systems and methods
02/20/2014US20140047896 Apparatus and method for correcting an offset
02/19/2014CN203443633U Double-capacitor liquid level sensor
02/19/2014CN203443622U Ultrasonic flow meter and metering system of same
02/19/2014CN103592007A Wet type flowmeter detecting platform
02/19/2014CN103592006A Method for controlling calibration device of wave height meter and accelerometer
02/18/2014US8650929 Method and apparatus for determining a flow rate error in a vibrating flow meter
02/13/2014US20140046612 Method for calibrating a sensor for turbidity measurement
02/12/2014CN203432655U High-precision device for measuring cubage of volume metering tube
02/12/2014CN203432654U Aligning clamping device for detection of flow meter
02/12/2014CN203432637U Mobile underground tank volume on-site calibration device
02/12/2014CN103575368A Nuclear power plant main pump motor bearing chamber liquid level meter offline verifying device and method
02/12/2014CN103575367A Guide rail type calibrating device for reflection-type liquid level meter
02/12/2014CN101855526B Method and apparatus for forming calibration chart for underground fuel tanks
02/11/2014US8649992 Method for reducing induction noise in towed marine electromagnetic survey signals
02/11/2014US8646307 Mass flow controller verifying system, verifying method and verifying program
02/11/2014CA2542009C Mechanical self-cleaning probe via bi-metallic or shape memory
02/06/2014US20140034668 Apparatus, method and system for calibrating a liquid dispensing system
02/05/2014CN203422130U Novel measuring cup
02/05/2014CN103557912A Mobile detection device for refueling machine
02/05/2014CN103557911A On-line detection method, system and device of natural gas trade metering equipment
02/05/2014CN103557910A Intelligent water meter automatic detection device and method
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