Pfeiffer Vacuum TTR 91 Manuel utilisateur

OPERATING INSTRUCTIONS

Translation of the Original

TTR 91 ∣TTR 91 S ∣TTR 96 S

Pirani 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 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 Limits of use of product 13

2.5 Proper use 13

2.6 Foreseeable improper use 13

2.7 Responsibilities and warranty 14

2.8 Owner requirements 14

2.9 Personnel qualification 14

2.9.1 Ensuring personnel qualification 14

2.9.2 Personnel qualification for maintenance and repair 15

2.9.3 Advanced training with Pfeiffer Vacuum 15

2.10 Operator requirements 15

3 Product description 16

3.1 Function 16

3.2 Status display 16

3.3 Switching functions 16

3.4 Identifying the product 17

3.5 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 vacuum connection 19

5.2 Electronic unit 20

5.3 Establishing electric connection 21

6 Operation 24

6.1 Converting measuring signal and pressure 24

6.2 Determining effective pressure with correction factors 25

6.3 Setting the threshold values 26

7 Disassembly 28

8 Maintenance 30

8.1 Cleaning of components 30

8.2 Calibrating the gauge 31

8.3 Replacing the measuring system 32

9 Shipping 34

10 Recycling and disposal 35

Table of contents

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10.1 General disposal information 35

10.2 Dispose of gauges 35

11 Service solutions by Pfeiffer Vacuum 36

12 Spare parts 38

13 Accessories 39

13.1 Accessory information 39

13.2 Ordering accessories 39

14 Technical data and dimensions 40

14.1 General 40

14.2 Technical data 40

14.3 Dimensions 42

EC Declaration of Conformity 43

UK Declaration of Conformity 44

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: Permissible ambient conditions 13

Tbl. 5: LED "SP1" and "SP2" 16

Tbl. 6: Constants for converting measuring signal and pressure 24

Tbl. 7: Correction factor for pressure range < 1 hPa 26

Tbl. 8: Spare parts 38

Tbl. 9: Conversion table: Pressure units 40

Tbl. 10: Conversion table: Units for gas throughput 40

Tbl. 11: Measured and pressure values 40

Tbl. 12: Electrical data 41

Tbl. 13: Internal volume and weight 41

Tbl. 14: Ambient conditions 41

Tbl. 15: Temperatures 41

Tbl. 16: Substances in contact with media 42

List of tables

5/46

List of figures

Fig. 1: Illuminating diodes 16

Fig. 2: Relay contacts dependent upon the switch-points 17

Fig. 3: Establishing vacuum connection 20

Fig. 4: Electronic unit 21

Fig. 5: Connection diagram 22

Fig. 6: Measurement cable FCC-68, 8-pin 22

Fig. 7: Relation between measuring signal and pressure 24

Fig. 8: Displayed pressure 25

Fig. 9: Setting the threshold values 26

Fig. 10: Disassembling the gauge 29

Fig. 11: Calibrating the gauge 31

Fig. 12: Replacing the measuring system 33

Fig. 13: Measurement system 38

Fig. 14: Dimensions 42

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

Brief guide “Pirani gauge” TTR 91 ∣ TTR 91 S ∣ TTR 96 S BG 5037

CenterOne | CenterTwo | CenterThree "Total Pressure Measuring and

Control Unit"

BG 5044

Declaration of conformity A component of these in-

structions

Tbl. 1: Applicable documents

The brief instruction for the gauge is included in the scope of delivery.

You can find these documents in the Pfeiffer Vacuum Download Center.

1.1.2 Variants

This document applies to products with the following article numbers:

Article number Designation Switching functions

PT T10 138 300 TTR 91, DN 16 ISO-KF, tungsten filament None

PT T10 138 320 TTR 91 S, DN 16 ISO-KF, tungsten filament 2

PT T10 138 321 TTR 96 S, DN 16 ISO-KF, nickel filament 2

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.

Unlabeled figures correspond with the product with switching functions, however, they also apply simi-

larly to those variants without switching functions.

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

About this manual

7/46

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.

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 product

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

D-35614 Asslar

Mod.

P/N

S/N

Input

TTR 9x

PT T10 138 3xx

xxxxxxxxx

14...30 V DC 1 W

Made in Liechtenstein 2023/09

Rating plate

The rating plate is located on the back of

the device.

1.3.4 Abbreviations

Abbreviation Explanation

AC Alternating current (AC)

ATM Atmosphere

c Constant for converting measuring signal and pressure

About this manual

8/46

Abbreviation Explanation

C Correction factor for calculating the pressure of gases other than air

CF Flange: Metal-sealed connector in accordance with ISO 3669

DC Direct current

FCC Federal Communications Commission (USA)

FKM Fluorinated rubber

GND Ground

HV High vacuum

KF Small flange

LPS Limited power source

MSL Mean sea level

p Pressure

PE Protective earth (earthed conductor)

PELV Protective extra low voltage

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

jack)

SP Switch-point

WAF Width Across Flats

U Measuring signal [V] (output voltage)

VCR Trademark of the Swagelok Company

Tbl. 3: Abbreviations used

1.4 Trademark proof

●CenterLine® is a trademark of Pfeiffer Vacuum GmbH.

About this manual

9/46

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 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

Danger to life due to dangerous contact voltage

Voltages above 30 V (AC) or 60 V (DC) are considered dangerous in accordance with EN 61010. If

you come into contact with dangerous contact voltage, this can result in injury through electric shocks

or even death.

►Only connect the product to devices which meet the following criteria:

●Requirements of the earthed protective extra-low voltage (PELV)

●Limited power source (LPS) Class 2

►Secure the line to the product.

–Pfeiffer Vacuum measuring and control equipment complies with this requirement.

Safety

10/46

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