Mass Flow Transmitter for Gas (JH-RSFM-IN)

Basic Info.Model NO.JH-RSFM-INCertificationCE, RoHS, ISO, SGSMeasuring Range1.2-200000m3/HPower Supply220VACSignal OutputRS485, RS232, 4-20mADisplayLCDMaterialSs316Working Temperature-20-350cAnti-ExplosionExdllct4Protective ClassIP67Accuracy±0.2-0.5%Main ApplicationCorrosive Liquid/Gas, Air, Nitrogen, Nature GasSizeDn20-Dn1000SensorTube/FlangeApplicationIndustrial ProductionTypeCoriolis Mass Flow MeterMeasuring MediaGasMeasuring PrincipleThermodynamicMeasurement ObjectClosed PipelineTrademarkJHSpecificationCE, ROHSOriginShanghaiHS Code902610000Product Description                                                                 Thermal Gas Mass Flow Meter  Thermal Type Gas Mass Flowmeter utilizes the principle of heat exchange to measure fluid-flow. This meter employs method of constant temperature difference to accurately measure gas mass flow, and it has the advantages of small size, high degree of digitization, easy installation, accurate measurement, etc.The sensor part consists of two platinum resistance converters of reference level. It utilizes bridge type loop circuit, with one converter measuring fluid temperature, and another maintaining constant temperature difference that is higher than fluid temperature. The measurement can be made under high temperature and high pressure situation.  Features:-Calibrate output analog quantity - Directly measure gas mass flow, and gas temperature also can be output of the measuring system.-Be adopted modular design method and operating principle to make the instrument higher measurement efficiency.-Quick installation and manipulation menu allows the user easy to set parameters, and the instrument can flexibly display.-It can cumulatively calculate flow and store the information in the EEPROM memory, and information will not be lost when power outage.-Pressure drop or pressure loss can be negligible.-Ratio of wide range can be 100:1.             -It can be installed on the circular or rectangular pipe.-Each instrument is individually calibrated, and it can be determined calibration scheme according to the requirement of user.-Easy installation and maintenance. If possible, on line installations and maintenance are allowed.-Ball valve accessories can be chose to remove or replace instrument easily in low pressure and non-toxic gas environment.-Good anti-seismic performance and long useful life. The converter doesn't contain movable part and pressure sense part, so that the measuring accuracy is not influenced by shaking.Applications:Environmental protection , Petroleum , Petrochemical , power ,metallurgy , Chemical , food ,scientific research and other industries .Technical parameters:inline typeDNKg/hNm3/h(0°C1.013bar atm)Scf/min.(15°C1.013bar atm)Min.Max.Min.Max.Min.Max.15   0.5530.38410.23252522001.51551.0964065554.64293.026650109107.77045.04368020203015.5157010974100383750292900181800 insertion type DNKg/hNm3/h(0°C1.013bar atm)Scf/min.(15°C1.013bar atm)Min.Max.Min.Max.Min.Max.8020203015.515709.69741003837502929001818001505075003858002436002008012500629666386000250120200009315468589600300180280001392165586134404003005000023238670144240005005008000038661870240384006007001150005408894033655200700900159000696122970432763001000200032000015462478469601536001500250072000019335568441200345600 Flow range0.2-120 Nm/s (air under the standard conditions)AccuracyFlow values:± 1% F · S, and plus 0.2% of readingTemperature values: ±0.1°CRepeatabilityFlow values:± 0.5%Temperature values: ±0.03°CRange ratio100:1 to 1000:1, the factory setting.Temperature compensationstandard temperature compensationWorking temperature-40 - +932 ° F (-40 - +500 °C)Humidity99%, non-condensingResponse time0.75sTemperature Effect± 0.05% / °COperating pressure10Mpa at 20 °C   9.5Mpa at 200 °CMediumAll gases that can be compatible with material of flow components.Environmental temperature-40 - +160 ° F (-40 - +70 °C)Storage temperature-40 ° - +160 ° F (-40 - +70 °C)Housing materialNAME4X (IP65) aluminum casting of powder coatingProcess of connectionNPT or flangeElectrical interfaceM20×1.5Power supply200-240VAC, 22-30VDCSignal outputCurrent: 4-20mA, 700Ω maximum loadVoltage:0-10VDC, 200ohm, 1-5VDC, 100 maximum loadCommunications485, HART, Profibus, CAN optional