Pfeiffer Vacuum TPR-270 Manuale utente

OPERATING INSTRUCTIONS

Translation of the Original

TPR 270 ∣TPR 271

Pulse-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.

2/40

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 8

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 9

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 13

3 Product description 14

3.1 Function 14

3.2 Identifying the product 14

3.3 Scope of delivery 14

4 Transport and storage 15

4.1 Transporting the product 15

4.2 Storing the product 15

5 Installation 16

5.1 Establishing vacuum connection 16

5.2 Establishing electric connection 17

6 Operation 19

6.1 Converting measuring signal and pressure 19

6.2 Determining effective pressure with correction factors 21

7 Disassembly 23

8 Maintenance 25

8.1 Clean the transmitter 25

8.2 Calibrating gauge 26

9 Malfunctions 28

10 Shipping 29

11 Recycling and disposal 30

11.1 General disposal information 30

11.2 Dispose of transmitters 30

12 Accessories 31

12.1 Accessory information 31

12.2 Ordering accessories 31

13 Technical data and dimensions 32

13.1 General 32

13.2 Technical data 32

Table of contents

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13.2.1Technical data, TPR 270 32

13.2.2Technical data, TPR 271 34

13.3 Dimensions 35

EC Declaration of Conformity 37

UK Declaration of Conformity 38

Table of contents

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List of tables

Tbl. 1: Applicable documents 7

Tbl. 2: Variants TPR 270 7

Tbl. 3: Variants TPR 271 7

Tbl. 4: Abbreviations used 9

Tbl. 5: Permissible ambient conditions 13

Tbl. 6: Constants for converting measuring signal and pressure 20

Tbl. 7: Conversion table TPR 270 20

Tbl. 8: Conversion table TPR 271 20

Tbl. 9: Correction factors for the pressure range < 1 hPa 22

Tbl. 10: Malfunctions 28

Tbl. 11: Conversion table: Pressure units 32

Tbl. 12: Conversion table: Units for gas throughput 32

Tbl. 13: Technical data, TPR 270 33

Tbl. 14: Technical data, TPR 270, continuation 33

Tbl. 15: Technical data, TPR 271 34

List of tables

5/40

List of figures

Fig. 1: Design of the transmitter 14

Fig. 2: Establishing vacuum connection 17

Fig. 3: Measurement cable and Hirschmann cable socket 18

Fig. 4: Relationship between measuring signal and pressure for TPR 270 gauges 19

Fig. 5: Relationship between measuring signal and pressure for TPR 271 gauges 19

Fig. 6: Displayed pressure 21

Fig. 7: Removing gauge 24

Fig. 8: Cleaning measuring chamber 26

Fig. 9: Button for calibration 27

Fig. 10: Standard housing for bakeout temperature of 80 °C at the flange 35

Fig. 11: Extended housing for bakeout temperature of 250 °C at the flange 36

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

OmniControl “Control unit” operating instructions PT 0670

TPG 366 “Total Pressure Measuring and Control Unit” operating in-

structions

BG 5501

Declaration of conformity A component of these in-

structions

Tbl. 1: Applicable documents

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

PT R26 770 TPR 270, DN 16 ISO-KF

PT R26 790

PT R26 780 TPR 270, DN 16 CF-F

PT R26 791

PT R26 781 TPR 270, NPT 1/8“

PT R26 782 TPR 270, 8 VCR

Tbl. 2: Variants TPR 270

Article number Designation

PT R26 775 TPR 271, DN 16 ISO-KF

PT R26 795

PT R26 776 TPR 271, DN 16 CF-F

PT R26 796

Tbl. 3: Variants TPR 271

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.

The figures show the product with a DN 16 ISO-KF vacuum connection, however, they also apply to the

other vacuum connections where applicable.

Dimensions are provided in mm, unless specified otherwise.

About this manual

7/40

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.

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

TPR 27x

PT R26 7xx

xxxxxxxxx

15...30 V DC 2 W

Made in Germany 2022/11

Output 0...10 V DC

Rating plate

The rating plate is located on the side of the gauge.

About this manual

8/40

1.3.4 Abbreviations

Abbreviation Explanation

ATM Atmosphere

c Constant for converting measuring signal and pressure

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

HV High vacuum

MSL Mean sea level

p Pressure

U Measuring signal [V] (output voltage)

Tbl. 4: Abbreviations used

1.4 Trademark proof

●VCR® is a trademark of the Swagelok Company.

●Hirschmann® is a registered trademark of Hirschmann Electronics GmbH.

About this manual

9/40

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

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