Pfeiffer Vacuum FullRange PTR 91 User manual

OPERATING INSTRUCTIONS

Translation of the Original

PTR 91

Pirani/cold cathode gauge

Dear Customer,

Thank you for choosing a Pfeiffer Vacuum product. Your new gauge is designed to support

you in your individual application with maximum performance and without malfunctions. The

name Pfeiffer Vacuum stands for high-quality vacuum technology, a comprehensive and

complete range of top-quality products and first-class service. From this extensive, practical

experience we have gained a large volume of information that can contribute to efficient

deployment and to your personal safety.

In the knowledge that our product must avoid consuming work output, we trust that our

product can offer you a solution that supports you in the effective and trouble-free

implementation of your individual application.

Please read these operating instructions before putting your product into operation for the

first time. If you have any questions or suggestions, please feel free to contact info@pfeiffer-

vacuum.de.

Further operating instructions from Pfeiffer Vacuum can be found in the Download Center on

our website.

Disclaimer of liability

These operating instructions describe all models and variants of your product. Note that your

product may not be equipped with all features described in this document. Pfeiffer Vacuum

constantly adapts its products to the latest state of the art without prior notice. Please take

into account that online operating instructions can deviate from the printed operating

instructions supplied with your product.

Furthermore, Pfeiffer Vacuum assumes no responsibility or liability for damage resulting from

the use of the product that contradicts its proper use or is explicitly defined as foreseeable

misuse.

This document is the intellectual property of Pfeiffer Vacuum and all contents of this

document are protected by copyright. They may not be copied, altered, reproduced or

published without the prior written permission of Pfeiffer Vacuum.

We reserve the right to make changes to the technical data and information in this document.

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Table of contents

1 About this manual 7

1.1 Validity 7

1.1.1 Applicable documents 7

1.1.2 Variants 7

1.2 Target group 7

1.3 Conventions 8

1.3.1 Instructions in the text 8

1.3.2 Pictographs 8

1.3.3 Stickers on the product 8

1.3.4 Abbreviations 8

1.4 Trademark proof 9

2 Safety 10

2.1 General safety information 10

2.2 Safety instructions 10

2.3 Safety precautions 12

2.4 Proper use 13

2.5 Foreseeable improper use 13

2.6 Responsibilities and warranty 13

2.7 Owner requirements 13

2.8 Personnel qualification 14

2.8.1 Ensuring personnel qualification 14

2.8.2 Personnel qualification for maintenance and repair 14

2.8.3 Advanced training with Pfeiffer Vacuum 14

2.9 Operator requirements 15

3 Product description 16

3.1 Function 16

3.2 Switch and status display 16

3.3 Identifying the product 16

3.4 Scope of delivery 17

4 Transport and storage 18

4.1 Transporting the product 18

4.2 Storing the product 18

5 Installation 19

5.1 Establishing the vacuum connection 19

5.2 Electronic unit 20

5.3 Establishing the electric connection 22

6 Operation 24

6.1 Operating modes 24

6.2 Converting measuring signal and pressure 24

6.3 Determining the effective pressure with calibration factors 25

6.4 Observing the ignition delay 27

6.5 Protecting the gauge from contamination 27

7 Removal 29

8 Maintenance 31

8.1 Calibrating the gauge 31

8.2 Disassembling the gauge 32

8.3 Replacing the ignition aid 33

8.4 Cleaning of components 35

8.5 Gauge assembling 36

Table of contents

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9 Malfunctions 38

9.1 Troubleshooting 38

9.2 Identifying errors at the measurement chamber 38

10 Shipping 40

11 Recycling and disposal 41

11.1 General disposal information 41

11.2 Dispose of gauges 41

12 Service solutions by Pfeiffer Vacuum 42

13 Spare parts 44

14 Accessories 45

14.1 Accessory information 45

14.2 Ordering accessories 45

15 Technical data and dimensions 46

15.1 General 46

15.2 Technical data 46

15.3 Dimensions 48

ETL certification 49

Declaration of conformity 50

Table of contents

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List of tables

Tbl. 1: Applicable documents 7

Tbl. 2: Variants 7

Tbl. 3: Abbreviations used 9

Tbl. 4: LED 16

Tbl. 5: Operating modes 24

Tbl. 6: Constants for converting measuring signal and pressure 25

Tbl. 7: Calibration factors for the pressure range < 10 hPa 26

Tbl. 8: Malfunctions 38

Tbl. 9: Measurement 39

Tbl. 10: Spare parts 44

Tbl. 11: Conversion table: Pressure units 46

Tbl. 12: Conversion table: Units for gas throughput 46

Tbl. 13: Measured and pressure values 46

Tbl. 14: Electrical data 47

Tbl. 15: Internal volume and weight 47

Tbl. 16: Ambient conditions 47

Tbl. 17: Temperatures 48

Tbl. 18: Substances in contact with the media 48

List of tables

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List of figures

Fig. 1: Measuring configuration 16

Fig. 2: Switch and LED 16

Fig. 3: Establishing the vacuum connection 20

Fig. 4: Electronic unit 21

Fig. 5: Connection diagram 22

Fig. 6: Measurement cable FCC-68, 8-pin 23

Fig. 7: Relation between measuring signal and pressure 24

Fig. 8: Pressure range > 10 hPa (Pirani operation only) 25

Fig. 9: Pressure range from 10 to 0.1 hPa 26

Fig. 10: Removing the gauge 30

Fig. 11: Calibrating the gauge 32

Fig. 12: Disassembling the gauge 33

Fig. 13: Removing the ignition aid 34

Fig. 14: Inserting the ignition aid in the mounting tool 34

Fig. 15: Inserting the ignition aid 34

Fig. 16: Switch for CAL calibration value 36

Fig. 17: Gauge assembling 37

Fig. 18: Contact pins of the measurement chamber 39

Fig. 19: Complete measurement chamber (replacement sensor) 44

Fig. 20: Dimensions 48

List of figures

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1 About this manual

IMPORTANT

Read carefully before use.

Keep the manual for future consultation.

1.1 Validity

This document describes the function of the products listed in the following and provides the most im-

portant information for safe use. The description is written in accordance with the valid directives. The

information in this document refers to the current development status of the products. The document

retains its validity assuming that the customer does not make any changes to the product.

1.1.1 Applicable documents

Designation Document

Operating instructions "Total pressure measuring and control unit"

CenterOne | CenterTwo | CenterThree

BG 5044

Declaration of conformity (Component of these instruc-

tions)

Tbl. 1: Applicable documents

You can find this document in the Pfeiffer Vacuum Download Center.

1.1.2 Variants

This document applies to products with the following article numbers:

Article number Designation

PT T03 148 310 PTR 91 (DN 25 ISO-KF)

PT T03 158 310 PTR 91 (DN 40 ISO-KF)

PT T03 358 310 PTR 91 (DN 40 CF-F)

Tbl. 2: Variants

You can find the part number on the rating plate of the product.

Pfeiffer Vacuum reserves the right to make technical changes without prior notification.

Information that relates to only one of the products is indicated accordingly.

The figures in this document are not to scale.

Graphics without a caption reflect the product featuring a DN 25 ISO-KF vacuum connection, however,

they also apply for the other vacuum connections accordingly.

Dimensions are in mm unless stated otherwise.

1.2 Target group

These operating instructions are aimed at all persons performing the following activities on the product:

●Transportation

●Setup (Installation)

●Usage and operation

●Decommissioning

●Maintenance and cleaning

●Storage or disposal

The work described in this document is only permitted to be performed by persons with the appropriate

technical qualifications (expert personnel) or who have received the relevant training from Pfeiffer Vac-

uum.

About this manual

7/52

1.3 Conventions

1.3.1 Instructions in the text

Usage instructions in the document follow a general structure that is complete in itself. The required ac-

tion is indicated by an individual step or multi-part action steps.

Individual action step

A horizontal, solid triangle indicates the only step in an action.

►This is an individual action step.

Sequence of multi-part action steps

The numerical list indicates an action with multiple necessary steps.

1. Step 1

2. Step 2

3. ...

1.3.2 Pictographs

The pictographs used in the document indicate useful information.

Note

Tip

Wear laboratory gloves

Perform a visual inspection

1.3.3 Stickers on the product

This section describes all the stickers on the product along with their meanings.

D-35614 Asslar

Mod.

P/N

S/N

Input

PTR 91

PT T03 xx8 310

xxxxxxxxx

14.5...30 V DC 2 W

Made in Liechtenstein 2019/04

3103457

Rating plate

The rating plate is located on the back of the de-

vice.

1.3.4 Abbreviations

Abbreviation Explanation

ATM Atmosphere

c Constant for converting measuring signal and pressure

C Calibration factor for calculating the pressure for gases other than air

About this manual

8/52

Abbreviation Explanation

CAL Calibration value

EEPROM Electrically erasable programmable read-only memory

EMC Electromagnetic compatibility

FCC Federal Communications Commission (USA)

GND Ground

HV High vacuum

HV-ST High vacuum status

LPS Limited Power Source

MSL Mean sea level

p Pressure

PELV Protective extra low voltage

RJ-45 Standardized plug-and-socket connection for telecommunication cabling (registered

jack)

SELV Safety extra low voltage

ST Status

WAF Width Across Flats

U Measuring signal [V] (output voltage)

VCR Trademark of the Swagelok Company

Tbl. 3: Abbreviations used

1.4 Trademark proof

●FullRange® is a trademark of Pfeiffer Vacuum GmbH.

●Hirschmann® is a trademark of Hirschmann Electronics GmbH.

●Scotch-Brite® is a registered trademark of the 3M Company.

●VCR® is a trademark of the Swagelok Company.

About this manual

9/52

2 Safety

2.1 General safety information

The following 4 risk levels and 1 information level are taken into account in this document.

DANGER

Immediately pending danger

Indicates an immediately pending danger that will result in death or serious injury if not observed.

►Instructions to avoid the danger situation

WARNING

Potential pending danger

Indicates a pending danger that could result in death or serious injury if not observed.

►Instructions to avoid the danger situation

CAUTION

Potential pending danger

Indicates a pending danger that could result in minor injuries if not observed.

►Instructions to avoid the danger situation

NOTICE

Danger of damage to property

Is used to highlight actions that are not associated with personal injury.

►Instructions to avoid damage to property

Notes, tips or examples indicate important information about the product or about this docu-

ment.

2.2 Safety instructions

Safety instructions according to product’s life stages

All safety instructions in this document are based on the results of a risk assessment.

Pfeiffer Vacuum has taken into account all the relevant life stages of the product.

Risks during installation

DANGER

Risk to life due to electric shock

An improperly earthed product is potentially fatal in the event of a fault.

►Connect the product galvanically with the earthed vacuum chamber.

►Ensure that the connection complies with the requirements of a protective bonding according to

EN 61010. (CF and VCR connections comply with this requirement.)

►Use electrically conductive centering rings and circlips for KF connections.

Safety

10/52

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