Teledyne NALL instruction manual 12.0

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Manual 111-082010_Nall Mass Flowmeters

Page 4 of 23

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Contents Teledyne Hastings Manual Print History Table of Contents 12.0 Features General InformationOperating Principle Operating PrincipleReceiving and Inspection Installation Instructions TransducerFilters Power SupplyCables Electrical Zero Check Using the Flowmeter Flowmeter Factory Calibrated for a Special Gas Output SignalGas Mixtures Repeatability AccuracyOver-range Pressure Effects Standard TransducersLow Pressure Drop Transducers High Pressure Transducers OptionalTemperature Effects Ambient Temperatures TransducerPower Supply Gas TemperatureDifferential Pressure Typical Pressure DropsChanges in DP with Changes in Line Pressure Increase in Line PressureDecrease in Line Pressure DP Increase Due to Fouling of the TransducerCalibration Procedures CalibrationTransducer Maintenance Transducers CleaningPower Supply Troubleshooting Damage to the TransducerAccessories Options and AccessoriesDouble Point Relay Flowmeter/Alarm DNALL-P Totalizers TNALL-P DescriptionsChassis Model NALL-C MaintenanceCurrent Converter NAll-P/CC Warranty Repair Policy Warranty and RepairNon-Warranty Repair Policy