Patents
Sitemap › G01 - Measuring; Testing › G01F - Measuring volume, volume flow, mass flow, or liquid level; Metering by volume › G01F 25 - Testing or calibrating of apparatus for measuring volume, volume flow, or liquid level, or for metering by volume
Patents for G01F 25 - Testing or calibrating of apparatus for measuring volume, volume flow, or liquid level, or for metering by volume (5,338)
06/2014
06/19/2014WO2014005707A4 Control circuit board for a continuous flow heater
06/18/2014DE102012112314A1 Thermal flow meter e.g. two-wire measuring device for determining and/or monitoring mass flow rate of medium, has control and/or regulating unit that performs clocked power supply of heated sense element of thin film sensor
06/18/2014DE102012024612A1 Adaptive method for recalibration of filling level sensor with switch in tank of exhaust gas aftertreatment system of motor vehicle, involves detecting time period of complete filling of tank, and detecting time point in time period
06/18/2014CN203657895U 一种流量计的液体流量检定系统 Verification system for liquid flow meter
06/18/2014CN203657894U 一种新型水表带压检定装置 A new water meter with pressure testing equipment
06/18/2014CN203657893U 加油机移动检定装置 Tanker mobile test device
06/18/2014CN103868571A Calibration device for gas flow orifice plate
06/18/2014CN103868570A Connecting structure for EVC300 intelligent volume corrector
06/18/2014CN103868562A Method for preventing misdiagnosis of oil level sensor
06/18/2014CN102538913B Correction method of flow measurement properties of single-track ultrasonic water meter
06/11/2014EP2739947A1 Methods and apparatus for level loop control
06/11/2014EP2739944A1 Method for detecting a deposit formation or an abrasion in a flow meter
06/11/2014CN203643007U 一种流量计在线校准装置 A flow line calibration device
06/11/2014CN203643006U 一种胶体流量计标准装置 Colloids meter standard device
06/11/2014CN203643005U 一种超声波流量计频率信号转换器 An ultrasonic flow meter frequency signal converter
06/11/2014CN103852114A Flowmeter capable of being calibrated on line
06/11/2014CN102749112B Continuous production line for gas meter and production process flow
06/10/2014US8749628 Dry agricultural materials management
06/10/2014US8746032 Flow metering system
06/10/2014US8746030 Rationality diagnosis method and rationality diagnosis apparatus for sensor inside tank
06/10/2014CA2835699A1 Liquid level system with blowdown feature
06/05/2014WO2014084835A1 Detection of a change in the cross - sectional area of a fluid tube in a vibrating meter by determining a lateral mode stiffness
06/05/2014US20140150520 System and method for measuring flow rates for individual petroleum wells in a well pad field
06/04/2014CN203629649U 质量流量计检定装置 Mass flowmeter calibration device
06/04/2014CN103837215A Reversing valve type pVTt-method gas flow device
06/04/2014CN103837214A Combined container type gas flow detection device by pVTt method
06/04/2014CN103837213A Novel power circuit of burn-in cabinet
06/04/2014CN102435243B Flow meter and method for detecting cable fault in cable circuit of flow meter
06/03/2014US8739597 Apparatus and method for proving at low temperatures
05/2014
05/28/2014EP2735852A1 Scalable and continuous auto-zeroing method for AC driven magneto-inductive flowmeters
05/28/2014CN203615993U 智能水表自动化检测装置 Smart meter automated detection device
05/28/2014CN102589659B 一种科里奥利质量流量计现场测量系统及其检测方法 Coriolis mass flowmeter field measurement system and detection method
05/27/2014US8738306 Pump tester
05/22/2014US20140137631 Vapor elimination liquid proving system with top fill and bottom drain prover
05/22/2014US20140137629 Nozzle adapter for volumetric test and measurement apparatus
05/22/2014US20140137628 Method and apparatus for a bidirectional meter proving system
05/22/2014US20140137627 Systems and Methods for Remote Testing of a Flow Switch
05/22/2014US20140137626 Vibratory flow meter and zero check method
05/22/2014US20140137625 Vapor elimination liquid proving system with top or bottom fill and bottom drain prover
05/22/2014DE112005001773B4 Verfahren zum Eichen akustischer Durchflussmesser A method of calibrating acoustic flowmeter
05/22/2014CA2834047A1 Vapor elimination liquid proving system with top fill and bottom drain prover
05/22/2014CA2834044A1 Vapor elimination liquid proving system with top or bottom fill and bottom drain prover
05/21/2014CN203606009U 一种带有流量标定机构的粉状物料流量计 A powdery material with a flow meter calibration mechanism
05/21/2014CN203606008U 一种液位变送器校验连接装置 One kind of level transmitter calibration connecting device
05/21/2014CN203605983U 移动式多通道大风道风量测量系统 Mobile multi-channel measurement system gale Fung
05/21/2014CN203605981U 一种测量压力的自校准光纤光栅涡街流量计 A method of measuring the pressure of self-calibration fiber grating Vortex Flowmeter
05/21/2014CN103808385A 接触式液位传感器底端固定装置及利用该装置的固定方法 The fixing method of a contact type liquid level sensor device fixed to the bottom of the apparatus and the use of
05/21/2014CN103808383A 减小器壁出气误差的工作用容积测量装置及方法 Reduce errors wall outlet working with volumetric measuring device and method
05/21/2014CN103808353A 用于确定测量变量的测量组件 Measuring the components used to determine the measured variable
05/21/2014CN102840898B 体积修正仪示值误差校准标准装置及使用方法 Volume Indication Error correction apparatus and method of calibration standards
05/20/2014US8727745 Device and method employing shape memory alloy
05/20/2014US8726746 Method for checking the state of a pipette, pipetting method, pipetting device, and suction tube for a pipetting device
05/20/2014US8726716 Hydraulic brake caliper piston insertion force gauge tool
05/20/2014CA2496204C Thermal mass flowmeter apparatus and method with temperature correction
05/15/2014WO2014074839A1 Method and apparatus for validating a field device in a control system
05/15/2014WO2014072619A1 Method and system for determining the flow rate of air collected from an aircraft engine
05/15/2014US20140135999 Method of determining pump flow in rotary positive displacement pumps
05/14/2014CN203595538U 一种自校准光纤光栅涡街流量计 A self-calibrating fiber grating Vortex Flowmeter
05/14/2014CN103797341A 用于测量流量速率的小体积校验仪装置和方法 Measuring the flow rate of a small volume of the calibrator apparatus and method for
05/14/2014CN103797340A 振动流量计以及零位检查方法 Vibratory flowmeter and zero inspection methods
05/14/2014CN103791985A 静态标方校准装置及其校准方法 Static standard side calibration device and calibration method
05/14/2014CN103791951A 正压标准气体流量计及正压标准气体流量测量方法 Positive standard gas flow meter and positive standard gas flow measurement method
05/08/2014US20140123727 Method and apparatus for determining differential flow characteristics of a multiple meter fluid flow system
05/07/2014EP2728320A1 Method for determination of flow rate according to the floating element principle and corresponding device
05/07/2014EP2726913A1 Device for checking the calibration of catching instruments measuring rainfall intensity
05/07/2014CN103776517A 刻度线对准液面的控制方法 Tick ​​alignment method of controlling the liquid level
05/07/2014CN103776516A 具有上游压力换能器的超声流量计量系统 An upstream pressure transducer ultrasonic flow measurement system
05/07/2014CN101173637B 动态修正空气流量传感器检测的方法 The method of dynamic correction of the air flow sensor
05/01/2014WO2014065233A1 Method and device for supplying hydrogen-selenide mixed gas
05/01/2014WO2014063888A1 Method for operating an air flow meter
05/01/2014WO2014063887A1 Method for operating an air flow meter
05/01/2014WO2014005707A9 Control circuit board for a continuous flow heater
05/01/2014US20140122008 Device and Method for Measuring Mass Flow Rate of Fluids
05/01/2014US20140116107 System and method for preventing false flow measurements in a vibrating meter
05/01/2014US20140116106 System and method for calibrating a wind vane of a wind turbine
04/2014
04/30/2014EP2724125A1 Vibratory flow meter and zero check method
04/30/2014EP2724123A1 Method for determining the flow rate of fluids using the ultrasonic transit-time method
04/30/2014DE102010049488B4 Verfahren zum Testen eines Laborgeräts und entsprechend ausgestattetes Laborgerät Method for testing a laboratory instrument and properly equipped laboratory apparatus
04/30/2014CN203572598U Rapid temperature calibration instrument of portable marine UTI oil-water interface meter
04/30/2014CN203572556U Novel meter verification control device
04/30/2014CN203572555U Detection system used for gas meter
04/30/2014CN103765170A An ultrasonic measurement device and a method for operating the same
04/30/2014CN103759793A Calibration device and method for gas flow meter
04/30/2014CN103759792A Micro-flow thermal mass flow controller calibration device and calibration method thereof
04/30/2014CN103759791A Portable multifunctional liquid level measuring device and method based on laser and pressure
04/29/2014US8707754 Methods and apparatus for calibrating flow controllers in substrate processing systems
04/24/2014US20140109644 Apparatus, method and system for calibrating a liquid dispensing system
04/24/2014DE102012219290A1 Verfahren zum Betreiben eines Luftmassenmessers A method of operating an air mass meter
04/24/2014DE102012219287A1 Verfahren zum Betreiben eines Luftmassenmessers A method of operating an air mass meter
04/23/2014CN203561409U Detector for detecting gas flow meter with bell jar type device serving as standard device
04/23/2014CN203561408U Correction device for electromagnetic flow meters
04/23/2014CN203561407U Equipment for detecting intelligent finished meter
04/23/2014CN103743455A Mass flowmeter detecting device and detecting method
04/23/2014CN103743443A Method for detecting signal faults of electromagnetic flow meter
04/23/2014CN102077061B Velocity-enhanced flow measurement
04/17/2014WO2014056709A1 Measuring system for determining a volume flow and/or a volume flow rate of a medium flowing in a pipe line
04/16/2014CN203551053U Wet-type flowmeter detection platform
04/16/2014CN203551052U Novel water tank of computer timing machine
04/16/2014CN203551051U Error correction device of ultrasonic wave gas meter
04/16/2014CN203551050U Pressure tolerance safety and pressure testing full-automatic detection device for gas flow instrument
1 2 3 4 5 6 7 8 9 10 11 12 13 14 ... 54