MKS Baratron 622D - User Manual

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20054392-001

Rev A 11/21

MKS Baratron

Type

622D/626D

Absolute Pressure Transducers

and

623H

Absolute Pressure Transducer with

Trippoint Relays

Main Page

Table of Contents3
Pressure Transducer Safety Information7
Symbols Used in this Instruction Manual7
Symbols Found on the Unit8
Table 1: Definition of Symbols Found on the Unit8
Safety Procedures and Precautions9
Sicherheitshinweise für den Druckmeßumformer11
In dieser Betriebsanleitung Vorkommende Symbole11
Erklärung der am Gerät Angebrachten Symbole12
Tabelle 2: Bedeutung der am Gerät Angebrachten Symbole12
Sicherheitsvorschriften und Vorsichtsmaßnahmen13
Informations Relatives à la Sécurité pour le Transducteur de Pression15
Symboles Utilisés Dans Ce Manuel D'utilisation15
Symboles Apparaissant Sur L'unité16
Tableau 3: Définition des Symboles Apparaissant Sur L'unité16
Mesures de Sécurité et Précautions17
Medidas de Seguridad del Transductor de Presión19
Símbolos Usados en Este Manual de Instrucciones19
Símbolos Hallados en la Unidad20
Tabla 4: Definición de Los Símbolos Hallados en la Unidad20
Procedimientos y Precauciones de Seguridad21
Chapter One: General Information23
Introduction23
How this Manual Is Organized24
Customer Support24
Chapter Two: Installation25
How to Unpack25
Unpacking Checklist25
Interface Cables26
Table 5: Interface Cables26
Generic Shielded Cable Guidelines27
Figure 1: Preferred Method to Connect an Overall Metal Braided Shielded Cable28
Figure 2: Alternate Method to Connect an Overall Metal Braided Shielded Cable28
Product Location and Requirements29
Fittings30
Figure 3: Metal Single and Double Ferrule Compression-Type Vacuum Fittings30
Setup31
Checking the Transducer Zero31
Coarse Zero Adjustment32
Figure 4: Location of the Zero Pot on Transducer Endcaps32
Table 6: Highest Pressure Suggested for Proper Zero Adjustment32
Figure 5: Location of the COARSE ZERO Adjustment Control33
Dimensions34
Figure 6: Dimensions of the Types 622B, 623H, and 626D Transducers35
Electrical Information36
Connectors36
Figure 7: Power, Signal, and Chassis Grounding Scheme36
Table 7: Required Inputs for Types 622B, 623H, and 626D Transducers36
Table 8: Post Assignments of Type 622D Transducer37
Table 9: Pinout of Type 626D Transducer38
Table 10: Post Assignments of Type 623H Transducer, TB139
Table 11: Post Assignments of Type 623H Transducer, TB239
Chapter Three: Overview41
General41
Sensor41
Signal Conditioner/Electronics41
Chapter Four: Operation42
General42
Lowest Suggested Pressure Available for Reading42
Lowest Suggested Pressure to Use for Control42
Table 12: Suggested Pressures for Reading and Control42
Type 623H End Cap43
Hysteresis of Type 623H Trip Relays43
Figure 8: Type 623H Endcap43
Figure 9: How Hysteresis Affects Accuracy and Relay Chatter44
How to Set the Trip Points on Type 623H45
Figure 10: How to Measure the Trip Point Voltage for Type 623H45
How to Adjust the Trip Point Direction46
Figure 11: the Relay Board47
Figure 12: the Alternate Relay Board48
Table 13: Factory-Set Positions of the Shorting Jumpers49
How to Adjust the Trip Point Hysteresis on Type 623H50
Table 14: Shorting Jumper Positions for Hysteresis50
Chapter Five: Maintenance and Troubleshooting52
General52
Zero Adjustment52
Troubleshooting Chart53
Table 15: Troubleshooting Chart53
Appendix A: Product Specifications55
MKS Types 622D and 626D Units55
Type 623H Transducer56
Appendix B: Model Code Explanation57
Model Code57
Index59

Brand	MKS
Model	Baratron 622D
Category	Measuring Instruments
Language	English

MKS Baratron 622D - User Manual

Table of Contents

MKS Baratron 622D Specifications

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