Agilent Technologies UHV-24 User manual

Agilent UHV-24/UHV-24p Ionization Gauge
User Manual

2 Agilent UHV-24/UHV-24p Ionization Gauge User Manual
Notices
Manual Part Number
699905505
Edition G.00, February 2023
Copyright
© Agilent Technologies, Inc. 2023
No part of this manual may be
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Safety Notices
A CAUTION notice denotes a hazard. It
calls attention to an operating
procedure, practice, or the like that, if
not correctly performed or adhered to,
could result in damage to the product
or loss of important data. Do not
proceed beyond a CAUTION notice
until the indicated conditions are fully
understood and met.
A WARNING notice denotes a hazard.
It calls attention to an operating
procedure, practice, or the like that, if
not correctly performed or adhered to,
could result in personal injury or death.
Do not proceed beyond a WARNING
notice until the indicated conditions
are fully understood and met.
WARNING
CAUTION

Contents
Agilent UHV-24/UHV-24p Ionization Gauge User Manual 3
Contents
1Instructions for Use 5
About this manual 6
Validity 6
Definitions and terminology 7
Definition of Caution, Warning and Note 7
Warning Symbols 8
Safety 10
Proper use 10
Improper use 11
Grounding the Gauge Controller 11
Use with Combustibles and Mixtures 12
Vacuum Equipment Cleanliness 12
Disposal 13
Service 14
2Technical Information 15
Description of the UHV-24/UHV-24p Ionization Gauge 16
Operation 16
Installation 18
Technical Specifications 19
Application Notes 21
Degas 23
Bakeout 23
Maintenance: Filament Replacement 24
Tungsten Filament Replacement 24
Yttria-coated iridium filament Replacement 25
Gas Correction Factors 26
Accessories and spare parts 29

Instructions for Use
4 Agilent UHV-24/UHV-24p Ionization Gauge User Manual

Instructions for Use
Agilent UHV-24/UHV-24p Ionization Gauge User Manual 5
1Instructions for Use
About this manual 6
Validity 6
Definitions and terminology 7
Definition of Caution, Warning and Note 7
Warning Symbols 8
Safety 10
Proper use 10
Improper use 11
Grounding the Gauge Controller 11
Use with Combustibles and Mixtures 12
Vacuum Equipment Cleanliness 12
Disposal 13
Service 14

Instructions for Use
6 Agilent UHV-24/UHV-24p Ionization Gauge User Manual
About this manual
Validity
This manual lists the instructions for the users of the UHV-24/UHV-24p Ion Gauge,
with particular reference to the notions relating to safety, operation and first level
maintenance, limited to maintenance operations for which the user is responsible.
The maintenance operations, illustrated in the specific sections, with specific
provisions relating to the higher level of maintenance (personnel specifically trained
for maintenance operations) must not be carried out by the user.
NOTE
1This manual contains useful information so that all personnel using the
UHV-24/UHV-24p Ion Gauge can operate it safely and guarantee perfect
efficiency, for its entire life span.
2Keep this manual, together with all the related publications, in an accessible
place known to all operators/maintenance personnel.

Instructions for Use
Agilent UHV-24/UHV-24p Ionization Gauge User Manual 7
Definitions and terminology
Definition of Caution, Warning and Note
Some important references of this manual are highlighted and framed in
contrasting color.
CAUTION
Caution messages are displayed before procedures which, if not observed, could
cause damage to the equipment.
WARNING
Warning messages draw the operator's attention to a specific procedure or
practice which, if not performed correctly, could result in serious personal
injury.
NOTE
Notes are intended to call attention to important information and provide more
detail regarding specific steps.

Instructions for Use
8 Agilent UHV-24/UHV-24p Ionization Gauge User Manual
Warning Symbols
The following is a list of symbols that appear in conjunction with warnings on the
UHV-24/UHV-24p Ion Gauge. The hazard they describe is also shown.
A triangular symbol indicates a warning. The meanings of the symbols that may
appear alongside warnings in the documentation are as follows:
Dangerous voltages Hot surface Generic hazard
Cutting hazard
European Declaration of Conformity
Waste Electrical and Electronic Equipment

Instructions for Use
Agilent UHV-24/UHV-24p Ionization Gauge User Manual 9
The following symbol may be used on warning labels attached to the instrument.
When you see this symbol, refer to the relevant operation or service manual for the
correct procedure referred to by that warning label.
The following symbols appear on the instrument for your information.
Production date
Dangerous voltages
Hot surfaces
Generic hazard
CE certification
Waste Electrical and Electronic Equipment

Instructions for Use
10 Agilent UHV-24/UHV-24p Ionization Gauge User Manual
Safety
This section contains the information, prescribed by the Low Voltage Directive
2014/35/EU, which is essential for the compliance and observance of the safety
regulations both generally and in relation to the specific use of the product.
Failure to comply with these instructions and the other instructions contained in
this manual may render the safety conditions envisaged in the design phase
inefficient and cause accidents to those operating the product.
Agilent Technologies declines all responsibility for damage to the product or for the
physical safety of the operator or third parties deriving from the non-observance of
the safety rules indicated in the technical documentation.
Proper use
This manual contains important warnings and safety instructions to be observed in
order for the unit to work safely.
The product described in this manual is intended exclusively for the area of
application specified in the instructions. The manual also provides indications
regarding the essential requirements for the application and operation of the
product as well as the safety measures that can be adopted to guarantee regular
operation. Agilent Technologies does not provide any guarantee or assume any
responsibility for applications other than those described in this manual or in which
the essential requirements and safety measures are not respected.
The product must only be used by qualified personnel who are able to take the
necessary safety measures under conditions that do not cause damage or injury.
Any accessories and equipment used with the product must be supplied or
approved by Agilent Technologies.
Any adjustment or maintenance operation must be performed by a professional
technician informed about the risks.
Repairs on the product must be carried out exclusively by Agilent authorized
personnel.