Teledyne NALL instruction manual Manual Print History

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Manual Print History

The print history shown below lists the printing dates of all revisions and addenda created for this manual. The revision level letter increases alphabetically as the manual undergoes subsequent updates. Addenda, which are released between revisions, contain important change information that the user should incorporate immediately into the manual. Addenda are numbered sequentially. When a new revision is created, all addenda associated with the previous revision of the manual are incorporated into the new revision of the manual. Each new revision includes a revised copy of this print history page.

Revision A (Document Number 111-041990)

................................................................... April 1990

Revision B (Document Number 111-102003)

October 2003

Revision C (Document Number 111-082005)

................................................................ August 2005

Revision D (Document Number 111-022006)

............................................................. February 2006

Revision E (Document Number 111-052007)

May 2007

Revision F (Document Number 111-082010)

August 2010

Revision G (Document Number 111-122010)

........................................................... December 2010

Visit www.teledyne-hi.com for WEEE disposal guidance.

CAUTION:

CAUTION:

CAUTION:

The instruments described in this manual are available with multiple pin-outs. Ensure that all electrical connections are correct.

The instruments described in this manual are designed for INDOOR use only.

The instruments described in this manual are designed for Class 2 installations in accordance with IAW/IPC standards

Hastings Instruments reserves the right to change or modify the design of its equipment without

any obligation to provide notification of change or intent to change.

Manual 111-082010_Nall Mass Flowmeters

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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 TransducerCables Power SupplyFilters Electrical Zero Check Using the Flowmeter Gas Mixtures Output SignalFlowmeter Factory Calibrated for a Special Gas Over-range AccuracyRepeatability Low Pressure Drop Transducers Pressure EffectsStandard Transducers High Pressure Transducers OptionalPower Supply Temperature EffectsAmbient Temperatures Transducer Gas TemperatureChanges in DP with Changes in Line Pressure Differential PressureTypical Pressure Drops Increase in Line PressureDecrease in Line Pressure DP Increase Due to Fouling of the TransducerCalibration Procedures CalibrationTransducer Power Supply Troubleshooting MaintenanceTransducers Cleaning Damage to the TransducerDouble Point Relay Flowmeter/Alarm DNALL-P AccessoriesOptions and Accessories Totalizers TNALL-P DescriptionsCurrent Converter NAll-P/CC MaintenanceChassis Model NALL-C Non-Warranty Repair Policy Warranty and RepairWarranty Repair Policy