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Teledyne instruction manual Model 2002 Vacuum Gauge, Page 35 of

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Model 2002 Vacuum Gauge

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Teledyne instruction manual Model 2002 Vacuum Gauge, Page 35 of

Contents

MODEL VACUUM GAUGE TELEDYNE HASTINGSINSTRUMENTS By this manual, protection provided Manual Print HistoryRefer to accompanying documents If Equipment is not used in the manner specifiedTable of Contents 1.3.Model 2002 Control Unit 1.1.Features1. General Information 1.2.Model 2002 Sensors1.4. Specifications 2.2.Quick Start 2. Installation2.3.Transducer Installation 2.1.Receiving InspectionTransducer Cable Attachment 2.4.Control Unit Installation2.5.Initial Operation Panel Mount Instructions3.1.Overall Functional Description 3.Front Panel OperationNormal Operation 3.2.RUN ModeA/D Speed Adjust Scientific Notation3.4.CAL Mode 3.3.High and Low Set Point ModesZero Coefficient Adjustment Atmosphere Coefficient Adjustment 3.5.GAS ModeMidrange Coefficient Adjustment Default Calibration Restoration 3.6.UNITS ModeV= EXP = 6 = MANT −1 4. Rear Panel Description4.1.Remote Zero Input 4.2.Analog OutputVoltage to pressure conversion example Model Rear Panel Detail 4.4.Power Entry Module4.3.TTL Outputs Fig Dual Sensor Emodiment 5. Theory of Operation5.1.Piezoresistive Sensor K = ΔRL L 1 dV= −⎜ V dTEr = σεTh4-Ta4As 5.2.Pirani SensorEt = Es + Er + Eg Es = Κ ∆Τ Αm/LEg = arLt273/Th1/2Th-TaAgP Eg = Kg DT As/Dx5.3.Dual Sensor Operation 6. Communications Option Board 6.1.RS-232-EInterface SpecificationsCOMMAND SYNTAX 6.3.Operation of the Serial Interface6.1.2. For RS-485Half Duplex - 2 wire Parameter Modification Commands Interrogation CommandsCalibration Adjustment Commands Device Status Reset / Restore Commands7. Relay Interface Option Board 7.1.Relay Board Specifications7.2.Relay Connector Pin Assignment Interference Connector Pin Assignments8. 4-20mA Interface Option Board 8.1. 4-20mA16mA 8.2.Operation16mA 1024Torr ⎠9. 0-10VInterface Option Board 9.10-10VInterface Connector Pin Assignmets= PmTorr V channel2 = PTorr V channel110.Troubleshooting Guide 11.2.Non-WarrantyRepair Policy 11.WARRANTY11.1.Warranty Repair Policy Page 34 of 12.Diagrams and DrawingsModel 2002 Vacuum Gauge Page 35 of Model 2002 Vacuum GaugePage 36 of Model Outline DimensionsModel 2002 Vacuum Gauge Page 37 of Model 2002 Vacuum Gauge