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MKS Baratron 622B
Ideal Vacuum MKS Baratron 622B User Manual
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1034356-001
Rev. A, 06/09
MKS Baratron
®
Type
622B/623B/626B
Absolute Pressure Transducers
(505)872-0037
idealvac.com
idealvac.com
2
Table of Contents
Table of Contents
3
Pressure Transducer Safety Information
9
Symbols Used in this Instruction Manual
9
Symbols Found on the Unit
10
Table 1: Definition of Symbols Found on the Unit
10
Safety Procedures and Precautions
11
Sicherheitshinweise für den Druckmeßumformer
13
In dieser Betriebsanleitung Vorkommende Symbole
13
Erklärung der am Gerät Angebrachten Symbole
14
Tabelle 2: Bedeutung der am Gerät Angebrachten Symbole
14
Sicherheitsvorschriften und Vorsichtsmaßnahmen
15
Informations Relatives À la Sécurité Pour Le Transducteur de Pression
17
Symboles Utilisés Dans Ce Manuel D'utilisation
17
Symboles Apparaissant Sur L'unité
18
Tableau 3: Définition des Symboles Apparaissant Sur L'unité
18
Mesures de Sécurité Et Précautions
19
Medidas de Seguridad del Transductor de Presión
21
Símbolos Usados en Este Manual de Instrucciones
21
Símbolos Hallados en la Unidad
22
Tabla 4: Definición de Los Símbolos Hallados en la Unidad
22
Procedimientos y Precauciones de Seguridad
23
Chapter One: General Information
25
Introduction
25
How this Manual Is Organized
26
Customer Support
26
Chapter Two: Installation
27
How to Unpack
27
Unpacking Checklist
27
Interface Cables
28
Table 5: Interface Cables
28
Generic Shielded Cable Guidelines
29
Figure 1: Preferred Method to Connect an Overall Metal Braided Shielded Cable
30
Figure 2: Alternate Method to Connect an Overall Metal Braided Shielded Cable
30
Product Location and Requirements
31
Fittings
32
Figure 3: Metal Single and Double Ferrule Compression-Type Vacuum Fittings
32
Setup
33
Checking the Transducer Zero
33
Coarse Zero Adjustment
34
Figure 4: Location of the Zero Pot on Transducer Endcaps
34
Table 6: Highest Pressure Suggested for Proper Zero Adjustment
34
Figure 5: Location of the COARSE ZERO Adjustment Control
35
Dimensions
36
Figure 6: Dimensions of the Types 622B, 623B, and 626B Transducers
37
Electrical Information
38
Figure 7: Power, Signal, and Chassis Grounding Scheme
38
Table 7: Required Inputs for Types 622B, 623B, and 626B Transducers
38
Connectors
39
Table 8: Post Assignments of Type 622B Transducer
39
Table 9: Pinout of Type 626B Transducer
40
Table 10: Post Assignments of Type 623B Transducer, TB1
41
Table 11: Post Assignments of Type 623B Transducer, TB2
41
Chapter Three: Overview
43
General
43
Sensor
43
Signal Conditioner/Electronics
43
Chapter Four: Operation
44
General
44
Lowest Suggested Pressure Available for Reading
44
Lowest Suggested Pressure to Use for Control
44
Table 12: Suggested Pressures for Reading and Control
44
Type 623B End Cap
45
Hysteresis of Type 623B Trip Relays
45
Figure 8: Type 623B Endcap
45
Figure 9: How Hysteresis Affects Accuracy and Relay Chatter
46
How to Set the Trip Points on Type 623B
47
Figure 10: How to Measure the Trip Point Voltage for Type 623B
47
How to Adjust the Trip Point Direction
48
Figure 11: the Relay Board
49
Figure 12: the Alternate Relay Board
50
Table 13: Factory-Set Positions of the Shorting Jumpers
51
How to Adjust the Trip Point Hysteresis on Type 623B
52
Chapter Five: Maintenance and Troubleshooting
54
General
54
Zero Adjustment
54
Troubleshooting Chart
55
Appendix A: Product Specifications
57
MKS Types 622B and 626B Units
57
Type 623B Transducer
58
Appendix B: Model Code Explanation
61
Model Code
61
Index
63
4
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Ideal Vacuum MKS Baratron 622B Specifications
General
Brand
Ideal Vacuum
Model
MKS Baratron 622B
Category
Transducer
Language
English
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