WIKA IPT-2 Series User manual
Operating Instructions
Process pressure transmitter IPT-2x
Process pressure transmitter IPT-2x
Slave for electronic dierential pressure
Metallic sensor
2
Contents
WIKA Operating Instructions - Process pressure transmitter IPT-2x
Contents
1 About this document ............................................................................................................... 4
1.1 Function ........................................................................................................................... 4
1.2 Target group ..................................................................................................................... 4
1.3 Symbols used................................................................................................................... 4
2 For your safety ......................................................................................................................... 5
2.1 Authorised personnel ....................................................................................................... 5
2.2 Appropriate use................................................................................................................ 5
2.3 Warning about incorrect use............................................................................................. 5
2.4 General safety instructions............................................................................................... 5
2.5 EU conformity................................................................................................................... 5
2.6 Installation and operation in the USA and Canada ........................................................... 6
3 Product description ................................................................................................................. 7
3.1 Conguration.................................................................................................................... 7
3.2 Principle of operation........................................................................................................ 8
3.3 Supplementary cleaning procedures.............................................................................. 11
3.4 Packaging, transport and storage................................................................................... 12
4 Mounting................................................................................................................................. 13
4.1 General instructions ....................................................................................................... 13
4.2 Ventilation and pressure compensation.......................................................................... 15
4.3 Combination Master - Slave ........................................................................................... 17
4.4 Level measurement........................................................................................................ 18
4.5 Dierential pressure measurement ................................................................................ 19
4.6 Interface measurement .................................................................................................. 19
4.7 Density measurement .................................................................................................... 20
4.8 Density-compensated level measurement ..................................................................... 21
4.9 External housing ............................................................................................................ 23
5 Connecting to power supply................................................................................................. 24
5.1 Preparing the connection ............................................................................................... 24
5.2 Connecting..................................................................................................................... 24
5.3 Single chamber housing................................................................................................. 26
5.4 External housing with version IP68 (25 bar) ................................................................... 26
5.5 Connection example ...................................................................................................... 28
6 Set up with the display and adjustment module ................................................................ 29
6.1 Parameter adjustment - Extended adjustment................................................................ 29
7 Diagnosis, asset management and service ........................................................................ 42
7.1 Maintenance .................................................................................................................. 42
7.2 Rectify faults................................................................................................................... 42
7.3 Exchange process module on version IP68 (25 bar) ...................................................... 42
7.4 Exchanging the electronics module................................................................................ 43
7.5 Instrument repair ............................................................................................................ 43
8 Dismount................................................................................................................................. 45
8.1 Dismounting steps.......................................................................................................... 45
8.2 Disposal ......................................................................................................................... 45
9 Supplement ............................................................................................................................ 46
9.1 Technical data ................................................................................................................ 46
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Contents
WIKA Operating Instructions - Process pressure transmitter IPT-2x
9.2 Calculation of the total deviation..................................................................................... 59
9.3 Practical example........................................................................................................... 60
9.4 Dimensions .................................................................................................................... 63
9.5 Trademark ...................................................................................................................... 71
Safety instructions for Ex areas
Take note of the Ex specic safety instructions for Ex applications.
These instructions are attached as documents to each instrument
with Ex approval and are part of the operating instructions.
Editing status: 2020-05-12
4
1 About this document
WIKA Operating Instructions - Process pressure transmitter IPT-2x
1 About this document
1.1 Function
This instruction provides all the information you need for mounting,
connection and setup as well as important instructions for mainte-
nance, fault rectication, the exchange of parts and the safety of the
user. Please read this information before putting the instrument into
operation and keep this manual accessible in the immediate vicinity
of the device.
1.2 Target group
This operating instructions manual is directed to trained personnel.
The contents of this manual must be made available to the qualied
personnel and implemented.
1.3 Symbols used
Information, note, tip: This symbol indicates helpful additional infor-
mation and tips for successful work.
Note: This symbol indicates notes to prevent failures, malfunctions,
damage to devices or plants.
Caution: Non-observance of the information marked with this symbol
may result in personal injury.
Warning: Non-observance of the information marked with this symbol
may result in serious or fatal personal injury.
Danger: Non-observance of the information marked with this symbol
results in serious or fatal personal injury.
Ex applications
This symbol indicates special instructions for Ex applications.
• List
The dot set in front indicates a list with no implied sequence.
1 Sequence of actions
Numbers set in front indicate successive steps in a procedure.
Battery disposal
This symbol indicates special information about the disposal of bat-
teries and accumulators.
5
2 For your safety
WIKA Operating Instructions - Process pressure transmitter IPT-2x
2 For your safety
2.1 Authorised personnel
All operations described in this documentation must be carried out
only by trained, qualied personnel authorised by the plant operator.
During work on and with the device, the required personal protective
equipment must always be worn.
2.2 Appropriate use
IPT-2x is a slave sensor for electronic dierential pressure measure-
ment.
You can nd detailed information about the area of application in
chapter "Product description".
Operational reliability is ensured only if the instrument is properly
used according to the specications in the operating instructions
manual as well as possible supplementary instructions.
2.3 Warning about incorrect use
Inappropriate or incorrect use of this product can give rise to applica-
tion-specic hazards, e.g. vessel overll through incorrect mounting
or adjustment. Damage to property and persons or environmental
contamination can result. Also, the protective characteristics of the
instrument can be impaired.
2.4 General safety instructions
This is a state-of-the-art instrument complying with all prevailing
regulations and directives. The instrument must only be operated in a
technically awless and reliable condition. The operator is responsi-
ble for the trouble-free operation of the instrument. When measuring
aggressive or corrosive media that can cause a dangerous situation
if the instrument malfunctions, the operator has to implement suitable
measures to make sure the instrument is functioning properly.
The safety instructions in this operating instructions manual, the na-
tional installation standards as well as the valid safety regulations and
accident prevention rules must be observed by the user.
For safety and warranty reasons, any invasive work on the device
beyond that described in the operating instructions manual may be
carried out only by personnel authorised by the manufacturer. Arbi-
trary conversions or modications are explicitly forbidden. For safety
reasons, only the accessory specied by the manufacturer must be
used.
To avoid any danger, the safety approval markings and safety tips on
the device must also be observed.
2.5 EU conformity
The device fulls the legal requirements of the applicable EU direc-
tives. By axing the CE marking, we conrm the conformity of the
instrument with these directives.
6
2 For your safety
WIKA Operating Instructions - Process pressure transmitter IPT-2x
The EU conformity declaration can be found on our homepage.
Due to the design of its process ttings, the device does not subject
of EU pressure device directive if it is operated at process pressures
≤ 200 bar.1)
2.6 Installation and operation in the USA and
Canada
This information is only valid for USA and Canada. Hence the follow-
ing text is only available in the English language.
Installations in the US shall comply with the relevant requirements of
the National Electrical Code (ANSI/NFPA 70).
Installations in Canada shall comply with the relevant requirements of
the Canadian Electrical Code.
1) Exception: Versions with measuring ranges from 250 bar. These are subject
of the EU Pressure Device Directive.
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3 Product description
WIKA Operating Instructions - Process pressure transmitter IPT-2x
3 Product description
3.1 Conguration
The scope of delivery encompasses:
• Pressure transmitter IPT-2x - Slave sensor
• Ready-made connection cable, unassembled cable gland
The further scope of delivery encompasses:
• Documentation
– Quick setup guide IPT-2x
– Test certicate for pressure transmitters
– Instructions for optional instrument features
– Ex-specic "Safety instructions" (with Ex versions)
– If necessary, further certicates
Information:
Optional instrument features are also described in this operating
instructions manual. The respective scope of delivery results from the
order specication.
This operating instructions manual applies to the following instrument
versions:
• Hardware from 1.0.0
• Software version from 1.0.0
Note:
You can nd the hardware and software version of the instrument as
follows:
• On the type plate of the electronics module
• In the adjustment menu under "Info"
The type label contains the most important data for identication and
use of the instrument:
Scope of delivery
Scope of this operating
instructions
Type label
8
3 Product description
WIKA Operating Instructions - Process pressure transmitter IPT-2x
1
5
6
7
4
2
3
MWP :
Fig. 1: Layout of the type label (example)
1 Instrument type
2 Field for approvals
3 Technical data
4 Product code
5 Serial number of the instrument
6 Symbol of the device protection class
7 ID numbers, instrument documentation
3.2 Principle of operation
IPT-2x is suitable for applications in virtually all industries. It is used for
the measurement of the following pressure types.
• Gauge pressure
• Absolute pressure
• Vacuum
Measured products are gases, vapours and liquids.
The device is especially suitable for applications with higher tempera-
tures and high pressures.
The electronic dierential pressure measurement is suitable for the
measurement of the following process variables:
• Level
• Flow
• Dierential pressure
• Density
• Interface
• Level, density-compensated
The IPT-2x slave sensor is combined with a sensor from the instru-
ment series for electronic dierential pressure measurement.
Application area
Measured products
Measured variables
Electronicdierential
pressure
9
3 Product description
WIKA Operating Instructions - Process pressure transmitter IPT-2x
1
2
Fig. 2: Example, electronic dierential pressure for level measurement in pres-
surized vessel
1 IPT-2x
2 IPT-2x, slave sensor
The sensors are connected via a screened four-wire cable. The
measured value from the slave sensor is read in and factored into the
calculations. Power supply and parameter adjustment are carried out
through the master sensor.
Information:
The sensor versions "Relative pressure climate-compensated" as
well as "Double chamber housing" are not suitable for connection of a
slave sensor.
You can nd further information in chapter "Combination Master -
Slave " of this operating instructions.
The process pressure acts on the sensor element via the process dia-
phragm. The process pressure causes a resistance change which is
converted into a corresponding output signal and output as measured
value.
Piezoresistive sensor element
Measuring ranges up to 40 bar: piezoresistive sensor element with
internal transmission liquid is used.
Measuring system
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3 Product description
WIKA Operating Instructions - Process pressure transmitter IPT-2x
1
3 4
2
Fig. 3: Conguration of the measuring system with piezoresistive sensor ele-
ment
1 Sensor element
2 Base element
3 Transmission liquid
4 Process diaphragm
Strain gauge (DMS) sensor element
For measuring ranges above 100 bar, a strain gauge (DMS) sensor
element (dry system) is used.
1
2
3
Fig. 4: Conguration of the measuring system with strain gauge (DMS) sensor
element
1 Sensor element
2 Process diaphragm
3 Pressure cylinder
Ceramic/metallic measuring cell
With small measuring ranges ≤ 400 mbar or higher temperature
ranges, the ceramic/metallic measuring cell is the measuring unit.
It consists of the ceramic-capacitive measuring cell and a special,
temperature-compensated chemical seal system.
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