Pfeiffer Vacuum PBR 260 User manual

OPERATING INSTRUCTIONS
EN
Translation of the Original
PBR 260
Pirani/Bayard-Alpert 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.
Copyright
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
3.1.1 Gauge mode of operation 16
3.1.2 Measurement systems 16
3.1.3 Measuring range 16
3.1.4 Bayard-Alpert measurement system 16
3.1.5 Pirani measurement system 17
3.2 Button and status display 18
3.3 Identifying the product 18
3.4 Scope of delivery 18
4 Transport and storage 19
4.1 Transporting the product 19
4.2 Storing the product 19
5 Installation 20
5.1 Establishing the vacuum connection 20
5.2 Electronic unit 21
5.3 Mounting the extension 22
5.4 Inserting the baffle 23
5.5 Establishing the electric connection 24
6 Operation 26
6.1 Selecting the switch-on and switch-off range 26
6.2 Converting measuring signal and pressure 27
6.3 Determining the effective pressure with calibration factors 28
6.4 Baking out (degassing) the gauge 29
6.5 Baking out the gauge during operation 30
7 Disassembly 31
Table of contents
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8 Maintenance 33
8.1 Cleaning components 33
8.2 Calibrating the gauge 34
8.3 Replacing the measurement system 35
8.4 Replacing the baffle 36
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 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: Switch-on and switch-off thresholds of the hot cathode 26
Tbl. 5: Transition ranges (hot cathode - Pirani) 26
Tbl. 6: Constants for converting measuring signal and pressure 27
Tbl. 7: Conversion table 28
Tbl. 8: Calibration factors for the pressure range < 10 hPa 29
Tbl. 9: Calibration factors for the Pirani pressure range 10 to 1 hPa 29
Tbl. 10: Malfunctions 38
Tbl. 11: Measurement 39
Tbl. 12: Conversion table: Pressure units 46
Tbl. 13: Conversion table: Units for gas throughput 46
Tbl. 14: Measured and pressure values 46
Tbl. 15: Calibration 47
Tbl. 16: Degas 47
Tbl. 17: Electrical data 48
Tbl. 18: Internal volume and weight 48
Tbl. 19: Ambient conditions 48
Tbl. 20: Temperatures 48
Tbl. 21: Substances in contact with the media 48
List of tables
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List of figures
Fig. 1: Measuring configuration 16
Fig. 2: Design of the Bayard-Alpert measurement system 17
Fig. 3: Basic principle of the self-calibrating bridge circuit 17
Fig. 4: Button and LED 18
Fig. 5: Establishing the vacuum connection 21
Fig. 6: Electronic unit 22
Fig. 7: Mounting the extension 23
Fig. 8: Inserting the baffle 24
Fig. 9: Connection diagram 25
Fig. 10: Measurement cable and Hirschmann cable socket 25
Fig. 11: Selecting the switch-on and switch-off range 26
Fig. 12: Relation between measuring signal and pressure 27
Fig. 13: Pressure range > 10 hPa (Pirani operation only) 28
Fig. 14: Bake-out area with extension 30
Fig. 15: Disassembling the gauge 32
Fig. 16: Calibrating the gauge 34
Fig. 17: Replacing the measurement system 36
Fig. 18: Replacing the baffle 37
Fig. 19: Contact pins of the measurement chamber 39
Fig. 20: Spare parts 44
Fig. 21: Dimensions 49
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
"Pirani/Bayard-Alpert Gauge" abbreviated instructions
PBR 260
BG 5131
"Total Pressure Measuring and Control Unit" operating instructions
TPG 361 | TPG 362
BG 5500
"Total Pressure Measuring and Control Unit" operating instructions
TPG 366
BG 5501
Declaration of conformity (part of these instructions)
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 R27 000 PBR 260 (DN 25 ISO-KF)
PT R27 001 PBR 260 (DN 40 ISO-KF)
PT R27 002 PBR 260 (DN 40 CF-R)
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
About this manual
7/52

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
PBR 260
PT R27 00x
xxxxxxxxx
20...30 V DC 16 W
Made in Liechtenstein 2019/04
Rating plate
The rating plate is located on the side of the unit.
1.3.4 Abbreviations
Abbreviation Explanation
ATM Atmosphere
BA Bayard-Alpert
c Constant for converting measuring signal and pressure
About this manual
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Abbreviation Explanation
C Calibration factor for calculating the pressure for gases other than air
EC Electron collector
EMI Emission
F Filament
FPM Fluoropolymer rubber
HIMS Hot cathode ionization measurement system
HV High vacuum
IC Ion collector
LED Light emitting diode
LPS Limited power source
MSL Mean sea level
p Pressure
PELV Protective extra low voltage
SELV Safety extra low voltage
PLC Programmable logical controller
U Measuring signal [V] (output voltage)
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 trade name of 3M 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
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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.
DANGER
Electric shocks due to moisture penetrating into the device
Moisture that has penetrated into the device results in personal injury through electric shocks.
►Only operate the device in a dry environment.
►Operate the device away from fluids and humidity sources.
►Do not switch on the device if fluid has penetrated into it, instead contact Pfeiffer Vacuum Serv-
ice.
►Always disconnect the current supply before cleaning the device.
DANGER
Risk to life due to electric shock
If no earth connection is established, voltage flows become hazardous to the touch and could lead to
electronic components sustaining damage.
►Always tighten the electronic unit with the grub screw.
►Ensure that the grub screw of the electronic unit has been tightened correctly.
WARNING
Risk of injury resulting from overpressure in the vacuum system
Opening tensioning pieces with an overpressure > 1000 hPa in the vacuum system can lead to inju-
ries as a result of flying parts, and escaping process medium could prove harmful to health.
Elastomer seals in KF connections (e.g. O-rings) are not resistant to pressures > 2500 hPa. This
could prove harmful to health due to escaping process medium.
►Do not open any tensioning pieces when overpressure is prevalent in the vacuum system.
►Use suitable tensioning pieces for overpressure.
►Use tensioning pieces which can only be opened and closed using a tool (e.g. tightening strap-
circlip).
►Use sealing rings with an outer centering ring.
Risks during maintenance
WARNING
Health hazards due to cleaning agent
The cleaning agent being used causes health hazards which could include, for example, poisoning,
allergies, skin irritations, chemical burns or damage to the airways.
►When handling cleaning agents, observe the applicable regulations.
►Adhere to safety measures regarding handling and disposal of cleaning agents.
►Be aware of potential reactions with product materials.
Safety
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WARNING
Health hazard through poisoning from toxic contaminated components or devices
Toxic process media result in contamination of devices or parts of them. During maintenance work,
there is a risk to health from contact with these poisonous substances. Illegal disposal of toxic sub-
stances causes environmental damage.
►Take suitable safety precautions and prevent health hazards or environmental pollution by toxic
process media.
►Decontaminate affected parts before carrying out maintenance work.
►Wear protective equipment.
Risks when shipping
WARNING
Risk of poisoning from contaminated products
Where products that contain harmful substances are shipped for maintenance or repair purposes, the
health and safety of service personnel is at risk.
►Comply with the instructions for safe distribution.
Risks during disposal
WARNING
Health hazard through poisoning from toxic contaminated components or devices
Toxic process media result in contamination of devices or parts of them. During maintenance work,
there is a risk to health from contact with these poisonous substances. Illegal disposal of toxic sub-
stances causes environmental damage.
►Take suitable safety precautions and prevent health hazards or environmental pollution by toxic
process media.
►Decontaminate affected parts before carrying out maintenance work.
►Wear protective equipment.
2.3 Safety precautions
The product is designed according to the latest technology and recognized safety engineering rules.
Nevertheless, improper use can result in danger to operator all third party life and limb, and product
damage and additional property damage.
Duty to provide information on potential dangers
The product holder or user is obliged to make all operating personnel aware of dangers
posed by this product.
Every person who is involved in the installation, operation or maintenance of the product
must read, understand and adhere to the safety-related parts of this document.
Infringement of conformity due to modifications to the product
The Declaration of Conformity from the manufacturer is no longer valid if the operator
changes the original product or installs additional equipment.
●Following the installation into a system, the operator is required to check and re-evalu-
ate the conformity of the overall system in the context of the relevant European Direc-
tives, before commissioning that system.
General safety precautions when handling the product
►Observe all applicable safety and accident prevention regulations.
►Check that all safety measures are observed at regular intervals.
►Pass on safety instructions to all other users.
►Do not expose body parts to the vacuum.
►Always ensure a secure connection to the earthed conductor (PE).
►Never disconnect plug connections during operation.
Safety
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►Observe the above shutdown procedures.
►Keep lines and cables away from hot surfaces (> 70 °C).
►Do not carry out your own conversions or modifications on the device.
►Observe the unit protection degree prior to installation or operation in other environments.
►Provide suitable touch protection, if the surface temperature exceeds 70 °C.
►Inform yourself about any contamination before starting work.
2.4 Proper use
The FullRange gauge is used to measure the vacuum of gases within the range of
5 × 10-10 to 1000 hPa.
Use the product according to its intended purpose
►Operate the gauge with a Pfeiffer Vacuum total pressure measuring and control unit or with an
evaluation unit provided by the customer.
►Install, operate and maintain the gauge exclusively as prescribed in these operating instructions.
►Observe the application limits prescribed in the technical data.
►Observe the technical data.
2.5 Foreseeable improper use
Improper use of the product invalidates all warranty and liability claims. Any use that is counter to the
purpose of the product, whether intentional or unintentional, is regarded as misuse, in particular:
●Use outside the mechanical and electrical application limits
●Use with corrosive or explosive media, if this is not explicitly permitted
●Use for the measurement of highly flammable or combustible gases mixed with an oxidizing agent
(e.g. atmospheric oxygen) within the explosion limits
●Use outdoors
●Use after technical changes (on the inside or the outside of the product)
●Use with replacement or accessory parts that are unsuitable or are not approved
2.6 Responsibilities and warranty
Pfeiffer Vacuum shall assume no responsibilities and warranty if the operating company or a third party:
●disregards this document
●does not use the product for its intended purpose
●carries out any modifications to the product (conversions, changes, etc.) that are not listed in the
corresponding product documentation
●operates the product with accessories that are not listed in the corresponding product documenta-
tion
The operator is responsible for the process media used.
2.7 Owner requirements
Safety-conscious working
1. Only operate the product in a technically flawless state.
2. Operate the product in line with its intended purpose, safety and hazard-conscious and only in
compliance with these operating instructions.
3. Fulfill the following instructions and monitor the observation of the following instructions:
–Proper use
–Generally applicable safety instructions and accident prevention regulations
–International, national and locally applicable standards and guidelines
–Additional product-related guidelines and regulations
4. Only use original parts or parts approved by Pfeiffer Vacuum.
5. Keep the operating instructions available at the place of installation.
6. Ensure personnel qualification.
Safety
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2.8 Personnel qualification
The work described in this document may only be carried out by persons who have appropriate profes-
sional qualifications and the necessary experience or who have completed the necessary training as
provided by Pfeiffer Vacuum.
Training people
1. Train the technical personnel on the product.
2. Only let personnel to be trained work with and on the product when under the supervision of
trained personnel.
3. Only allow trained technical personnel to work with the product.
4. Before starting work, make sure that the commissioned personnel have read and understood
these operating instructions and all applicable documents, in particular the safety, maintenance
and repair information.
2.8.1 Ensuring personnel qualification
Specialist for mechanical work
Only a trained specialist may carry out mechanical work. Within the meaning of this document, special-
ists are people responsible for construction, mechanical installation, troubleshooting and maintenance
of the product, and who have the following qualifications:
●Qualification in the mechanical field in accordance with nationally applicable regulations
●Knowledge of this documentation
Specialist for electrotechnical work
Only a trained electrician may carry out electrical engineering work. Within the meaning of this docu-
ment, electricians are people responsible for electrical installation, commissioning, troubleshooting, and
maintenance of the product, and who have the following qualifications:
●Qualification in the electrical engineering field in accordance with nationally applicable regulations
●Knowledge of this documentation
In addition, these individuals must be familiar with applicable safety regulations and laws, as well as the
other standards, guidelines, and laws referred to in this documentation. The above individuals must
have an explicitly granted operational authorization to commission, program, configure, mark, and earth
devices, systems, and circuits in accordance with safety technology standards.
Trained individuals
Only adequately trained individuals may carry out all works in other transport, storage, operation and
disposal fields. Such training must ensure that individuals are capable of carrying out the required activi-
ties and work steps safely and properly.
2.8.2 Personnel qualification for maintenance and repair
Advanced training courses
Pfeiffer Vacuum offers advanced training courses to maintenance levels 2 and 3.
Adequately trained individuals are:
●Maintenance level 1
─Customer (trained specialist)
●Maintenance level 2
─Customer with technical education
─Pfeiffer Vacuum service technician
●Maintenance level 3
─Customer with Pfeiffer Vacuum service training
─Pfeiffer Vacuum service technician
2.8.3 Advanced training with Pfeiffer Vacuum
For optimal and trouble-free use of this product, Pfeiffer Vacuum offers a comprehensive range of
courses and technical trainings.
For more information, please contact Pfeiffer Vacuum technical training.
Safety
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2.9 Operator requirements
Observing relevant documents and data
1. Read, observe and follow this operating instruction and the work instructions prepared by the op-
erating company, in particular the safety and warning instructions.
2. Install, operate and maintain the product only in accordance with these operating instructions.
3. Carry out all work only on the basis of the complete operating instructions and applicable docu-
ments.
4. Comply with the application limits.
5. Observe the technical data.
6. Please contact the Pfeiffer Vacuum Service Center if your questions on operation or maintenance
of the product are not answered by these operating instructions.
–You can find information in the Pfeiffer Vacuum service area.
Safety
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3 Product description
3.1 Function
3.1.1 Gauge mode of operation
The measurement currents of the measurement systems (Bayard-Alpert and Pirani) are converted into
a measured value-dependent frequency in a current/frequency converter. A micro-controller generates
a digital value from this frequency signal as a measure for the total pressure measured. This value is
available again as an analog measurement signal from 0 to 10.2 V at the output (pin 2/3), and the valid
pressure measurement range goes from 0.774 V to 10.0 V (atmospheric pressure). The output signal is
limited to 10.2 V by the software. In addition to converting the measurement signals, the micro-controller
also performs emission monitoring and calculates the total pressure from the measured values of both
measurement systems.
3.1.2 Measurement systems
The gauge has two measurement systems:
●Pirani measurement system (control area)
●Hot cathode ionization measurement system (HIMS) according to Bayard-Alpert (BA)
The Pirani measurement system is always switched on. The Pirani measurement signal is for switching
the HIMS on and off, thus protecting the HIMS from burning or excessive contamination.
You can select from two different switch-on/off thresholds. If the measured pressure is higher than the
switch-on threshold, the HIMS remains switched off and the Pirani measured value appears as an out-
put signal.
The gauge activates the HIMS controlled by the Pirani measurement system only when the value falls
below the switch-on threshold pon. The hot cathode is ready for operation after a few seconds of heating
up. The "EMI ON" LED lights up and the hot cathode measured value is present at the output. If the
pressure increases above the switch-off threshold poff, the gauge switches off the HIMS and the "EMI
ON" LED goes out. The Pirani measured value appears again at the output.
3.1.3 Measuring range
The gauge covers the measuring range from 5 × 10-10 to 1000 hPa.
The gauge has a continuous characteristic throughout the entire range. The measuring signal is loga-
rithmically dependent on the pressure across the entire range. In a defined overlapping range, the
gauge outputs a mixed signal of the two measurement systems. Above this range the gauge outputs the
Pirani signal only, below it the hot cathode signal only. The gauge applies the optimum measuring con-
figuration to the respective pressure range.
5 × 10-10 hPa
Plower
1000 hPa
Pirani
Pon
Poff
Pupper
Hot cathode
Fig. 1: Measuring configuration
3.1.4 Bayard-Alpert measurement system
The Bayard-Alpert measurement system has an electrode system that is designed for a low X-ray limit.
The principle of this measurement system is based on gas ionization. Electrons emitted by the filament
(F) ionize a number of molecules that is proportional to the pressure in the measuring chamber. The ion
collector (IC) takes up the ion current I+ thus generated and feeds it to the electrometer amplifier of the
measuring instrument. The ion current depends on the emission current Ie, the gas type and the gas
pressure p according to the relationship:
I+ = Ie × p × C
The calibration factor C is referred to as the sensitivity of the gauge. It is usually specified for nitrogen
(N2). The lower measurement limit is 5 × 10-10 hPa (metal-sealed). In order for the entire range of
Product description
16/52

5 × 10-10 to 10-2 hPa to be covered practically, a low emission current is used in the high pressure range
(fine vacuum) and a high emission current is used in the low pressure range (high vacuum). The emis-
sion current is switched over at falling pressure at about 7.2 × 10-6 hPa and at increasing pressure at
about 3.2 × 10-5 hPa. When switching over, the gauge may briefly (< 2 s) deviate from the specified
accuracy.
EC
IC
F
EC
IC
F
(Degas 2.5V) (Degas 250V)
Fig. 2: Design of the Bayard-Alpert measurement system
F Filament (hot cathode) EC Electron collector (anode grid)
IC Ion collector (collector)
3.1.5 Pirani measurement system
The heat conductivity of gases is pressure-dependent within certain limits. This physical occurrence is
utilized in the Pirani thermal conductivity vacuum gauge to measure the pressure. A self-calibrating
bridge circuit is used as the measuring circuit. A thin tungsten wire is the actual measuring element.
With a suitable control circuit, the resistance of the wire and thus its temperature are kept constant. The
electrical power that is fed to the wire is a measure for the power dissipated in the gas through heat
conduction and therefore a measure for the gas pressure. The bridge voltage UB is a measure for the
gas pressure and is further processed electronically (linearization, digitization).
UB
Transmitter
+–
Fig. 3: Basic principle of the self-calibrating bridge circuit
UBBridge voltage
Product description
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3.2 Button and status display
1
2
Fig. 4: Button and LED
1 "ATM" button for atmospheric and zero point calibration 2 "EMI ON" LED (emission / hot cath-
ode)
3.3 Identifying the product
You will need all the data from the rating plate to safely identify the product when communicating with
Pfeiffer Vacuum.
1. Read the data on the product rating plate.
2. Record this data.
3. Always have all rating plate specifications to hand.
3.4 Scope of delivery
The scope of delivery includes the following parts:
●Gauge
●Stylus (Ø 1.1 mm)
●Abbreviated instructions
Unpacking the product and checking completeness of the shipment
1. Unpack the product.
2. Remove the transport fasteners, transport protection etc.
3. Store the transport fasteners, transport protection etc. in a safe place.
4. Check that the shipment is complete.
5. Ensure that no parts are damaged.
Product description
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4 Transport and storage
4.1 Transporting the product
NOTICE
Damage caused by incorrect transportation
Transportation in unsuitable packaging, or failure to install all transport locks, can damage the prod-
uct.
►Comply with the instructions for safe transportation.
Packing
We recommend keeping the transport packaging and original protective cover.
General information regarding safe transport
►Observe the weight specified on the transport packaging.
►Where possible, always transport or ship the product in the original transport packaging.
►Always use dense and impact-proof transport packaging for the product.
►Remove the existing protective cover and transport protections only immediately prior to installa-
tion.
►Reattach transport locks and transport protections prior to each transport.
4.2 Storing the product
NOTICE
Damage caused by improper storage
Improper storage will lead to damage to the product.
Static charging, moisture, etc. lead to defects on the electronic components.
►Comply with the instructions for safe storage.
Packing
We recommend storing the product in its original packaging.
General information for safe storage
►Store the product in a cool, dry, dust-free place, where it is protected against impacts and me-
chanical vibration.
►Always use dense and impact-proof packaging for the product.
►Where possible, store the product in its original packaging.
►Store electronic components in antistatic packaging.
►Maintain the permissible storage temperature.
►Avoid extreme fluctuations of the ambient temperature.
►Avoid high air humidity.
►Seal connections with the original protective caps.
►Protect the product with the original transport protection (where available).
Transport and storage
19/52

5 Installation
5.1 Establishing the vacuum connection
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.
DANGER
Risk to life due to electric shock
If no earth connection is established, voltage flows become hazardous to the touch and could lead to
electronic components sustaining damage.
►Always tighten the electronic unit with the grub screw.
►Ensure that the grub screw of the electronic unit has been tightened correctly.
WARNING
Risk of injury resulting from overpressure in the vacuum system
Opening tensioning pieces with an overpressure > 1000 hPa in the vacuum system can lead to inju-
ries as a result of flying parts, and escaping process medium could prove harmful to health.
Elastomer seals in KF connections (e.g. O-rings) are not resistant to pressures > 2500 hPa. This
could prove harmful to health due to escaping process medium.
►Do not open any tensioning pieces when overpressure is prevalent in the vacuum system.
►Use suitable tensioning pieces for overpressure.
►Use tensioning pieces which can only be opened and closed using a tool (e.g. tightening strap-
circlip).
►Use sealing rings with an outer centering ring.
NOTICE
Impairment from contamination and damage
Touching the devices or components with bare hands increases the desorption rate and leads to in-
correct measurements. Dirt (e.g. dust, fingerprints, etc.) and damage impair the function.
►When working on high or ultra high vacuum systems, always wear clean, lint-free and powder-
free laboratory gloves.
►Only use clean tools.
►Make sure that the connection flanges are free of grease.
►Remove protective caps and protective covers from flanges and connections only when necessa-
ry.
►Carry out all work in a well lit area.
NOTICE
Damage due to rising heat
If the gauge is installed upright (flange facing down), rising heat during baking out will cause damage
to the electronic unit even with the extension mounted.
►Mount the gauge in a horizontal mounting orientation if you want to bake out the gauge during
operation.
Installation
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