WIKA DPT-10 User manual
Operating Instructions
Dierential pressure transmitter DPT-10
Dierential pressure transmitter DPT-10
Metallic measurement diaphragm
4 … 20 mA/HART
2
Contents
WIKA Operating Instructions - Dierential pressure transmitter DPT-10
Contents
1 About this document
1.1 Function ........................................................................................................................... 4
1.2 Target group ..................................................................................................................... 4
1.3 Symbolism used ............................................................................................................... 4
2 For your safety
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 Safety label on the instrument .......................................................................................... 5
2.6 CE conformity ................................................................................................................... 6
2.7 Fulllment of NAMUR recommendations ......................................................................... 6
2.8 Safety instructions for oxygen applications ....................................................................... 6
3 Product description
3.1 Conguration .................................................................................................................... 7
3.2 Principle of operation........................................................................................................ 8
3.3 Adjustment ..................................................................................................................... 11
3.4 Packaging, transport and storage ................................................................................... 11
4 Mounting
4.1 General instructions to use the instrument ..................................................................... 13
4.2 Instructions for oxygen applications ............................................................................... 14
4.3 Mounting and connection instructions ............................................................................ 14
4.4 Measurement setup ow ................................................................................................ 18
4.5 Measurement setup level ............................................................................................... 21
4.6 Measurement setup density and interface ...................................................................... 25
4.7 Measurement setup dierential pressure ....................................................................... 27
4.8 Mounting external housing ............................................................................................. 29
4.9 Installation control .......................................................................................................... 30
5 Connecting to power supply
5.1 Preparing the connection ............................................................................................... 31
5.2 Connection procedure .................................................................................................... 32
5.3 Single chamber housing ................................................................................................. 33
5.4 Double chamber housing ............................................................................................... 34
5.5 Double chamber housing Ex d ....................................................................................... 37
5.6 Version IP 66/IP 68, 1 bar ............................................................................................... 38
5.7 Switch-on phase............................................................................................................. 39
6 Adjustment with the display and adjustment module
6.1 Short description ............................................................................................................ 40
6.2 Insert display and adjustment module ............................................................................ 40
6.3 Adjustment system ......................................................................................................... 41
6.4 Set parameters ............................................................................................................... 42
6.5 Menu schematic ............................................................................................................. 52
6.12 Saving the parameter adjustment data ........................................................................... 55
7 Setup with the adjustment program AMS™
7.1 Parameter adjustment with AMS™................................................................................. 56
3
Contents
WIKA Operating Instructions - Dierential pressure transmitter DPT-10
8 Setup
8.1 Select the mode ............................................................................................................. 57
8.2 Flow measurement ......................................................................................................... 57
8.3 Level measurement ........................................................................................................ 59
8.4 Density and interface measurement ............................................................................... 63
8.5 Dierential pressure measurement ................................................................................ 63
9 Maintenance and fault rectication
9.1 Maintenance .................................................................................................................. 66
9.2 Rectify faults ................................................................................................................... 66
9.3 Instrument repair ............................................................................................................ 67
10 Dismounting
10.1 Dismounting steps.......................................................................................................... 68
10.2 Disposal ......................................................................................................................... 68
11 Supplement
11.1 Technical data ................................................................................................................ 69
11.2 Dimensions .................................................................................................................... 79
Safety instructions for Ex areas
Please note the Ex-specic safety information for installation and op-
eration in Ex areas. These safety instructions are part of the operating
instructions manual and come with the Ex-approved instruments.
Editing status: 2013-07-11
4
1 About this document
WIKA Operating Instructions - Dierential pressure transmitter DPT-10
1 About this document
1.1 Function
This operating instructions manual provides all the information you
need for mounting, connection and setup as well as important instruc-
tions for maintenance and fault rectication. Please read this informa-
tion 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 specialist
personnel. The contents of this manual should be made available to
these personnel and put into practice by them.
1.3 Symbolism used
Information, tip, note
This symbol indicates helpful additional information.
Caution: If this warning is ignored, faults or malfunctions can result.
Warning: If this warning is ignored, injury to persons and/or serious
damage to the instrument can result.
Danger: If this warning is ignored, serious injury to persons and/or
destruction of the instrument can result.
Ex applications
This symbol indicates special instructions for Ex applications.
• List
The dot set in front indicates a list with no implied sequence.
→ Action
This arrow indicates a single action.
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 - Dierential pressure transmitter DPT-10
2 For your safety
2.1 Authorised personnel
Mount and set up the pressure transmitter only if you know the appli-
cable national regulations and have the appropriate qualication. You
must be aquainted with the regulations and instructions for hazard-
ous areas, measurement and control technology as well as electrical
circuits because the pressure transmitter is "electrical equipment"
according to EN 50178. Depending on the application conditions, it
is necessary that you have appropriate knowledge, e.g. concerning
corrosive products or high pressure.
2.2 Appropriate use
DPT-10 is a dierential pressure transmitter for measurement of ow,
level, dierential pressure, density and interface.
You can nd detailed information on the application range 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.
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.
2.3 Warning about incorrect use
Inappropriate or incorrect use of the instrument can give rise to
application-specic hazards, e.g. vessel overll or damage to system
components through incorrect mounting or adjustment.
2.4 General safety instructions
This is a high-tech instrument requiring the strict observance of stand-
ard regulations and guidelines. The user must take note of the safety
instructions in this operating instructions manual, the country-specic
installation standards as well as all prevailing safety regulations and
accident prevention rules.
The instrument must only be operated in a technically awless and
reliable condition. The operator is responsible for trouble-free opera-
tion of the instrument.
During the entire duration of use, the user is obliged to determine the
compliance of the necessary occupational safety measures with the
current valid rules and regulations and also take note of new regula-
tions.
2.5 Safety label on the instrument
The safety approval markings and safety tips on the device must be
observed.
6
2 For your safety
WIKA Operating Instructions - Dierential pressure transmitter DPT-10
2.6 CE conformity
The device fullls the legal requirements of the applicable EC guide-
lines. By axing the CE marking, we conrm successful testing of the
product.
2.7 Fulllment of NAMUR recommendations
The device fullls the requirements of the applicable NAMUR recom-
mendations.
2.8 Safety instructions for oxygen applications
For instruments in oxygen applications the special instructions in
chapters "Storage and transport", "Mounting" as well as "Technical
data" under "Process conditions"must be noted. Furthermore the valid
national regulations, implementation instructions and memorandums
of the professional assocations must be noted.
7
3 Product description
WIKA Operating Instructions - Dierential pressure transmitter DPT-10
3 Product description
3.1 Conguration
The scope of delivery encompasses:
• DPT-10 dierential pressure transmitter
• Depending on the version, ventilation valves and/or screw plugs
(details see chapter "Dimensions")
• Optional accessory
• Documentation
– this operating instructions manual
– Test certicate for pressure transmitters
– Operating instructions manual "Display and adjustment mod-
ule" (optional)
– Ex-specic "Safety instructions" (with Ex versions)
– if necessary, further certicates
The following illustration shows the components of DPT-10:
+ –
1
2
3
Fig. 1: DPT-10 in basic version
1 Housing cover, optionally with integrated display and adjustment module
2 Housing with electronics
3 Process component with measuring cell
The components are available in dierent versions.
The nameplate contains the most important data for identication and
use of the instrument:
Scope of delivery
Constituent parts
8
3 Product description
WIKA Operating Instructions - Dierential pressure transmitter DPT-10
1
9
10
2
3
4
5
6
7
8
Fig. 2: Layout of the type label (example)
1 Instrument type
2 Field for approvals
3 Measuring range
4 Signal output/Supply voltage
5 Process pressure - Process temperature
6 Seal material
7 Product code
8 Order number
9 Serial number of the instrument
10 ID numbers, instrument documentation
3.2 Principle of operation
DPT-10 is a dierential pressure transmitter for measurement of ow,
level, dierential pressure, density and interface. Measured products
are gases, vapours and liquids.
Flow measurement
QQ
p1p1
p2p2
Q~ ∆p Q~ ∆p
++ ––
1 2
Fig. 3: Flow measurement with DPT-10 and DP ow element, Q = ow, Δp =
dierential pressure, Δp = p1- p2
1 Orice
2 Pitot tube
Application area
9
3 Product description
WIKA Operating Instructions - Dierential pressure transmitter DPT-10
Level measurement
123
h= ∆p
ρg
+
+
–
–
h
+ –
Fig. 4: Level measurement with DPT-10. Δp = dierential pressure, ρ = density
of the medium, g = acceleration of gravity
1 Basic version with eective pressure lines
2 Version with ange chemical seal
3 Version with capillaries and cell chemical seals
Dierential pressure measurement
+
2
1
Fig. 5: Dierential pressure measurement with DPT-10
1 Filter
2 DPT-10
Density measurement
=∆p
hg
+
–
h
1
Fig. 6: Density measurement with DPT-10, h = dened mounting distance, Δp =
dierential pressure, ρ = density of the medium, g = acceleration of gravity
1 DPT-10
10
3 Product description
WIKA Operating Instructions - Dierential pressure transmitter DPT-10
Interface measurement
1
+
–
h
2
3
Fig. 7: Interface measurement with DPT-10
1 DPT-10
2 Liquid with higher density
3 Liquid with lower density
A metallic measuring cell is used as sensor element. The process
pressures are transmitted via the separating diaphragms and lling
oils to a resistance measuring bridge (semi-conductor technology).
The dierence between the acting pressures generates a change in
the bridge voltage. This change is measured, further processed and
converted into a corresponding output signal.
The markings "+" and "-" on the process component in chapter
"Mounting and connection instructions" must therefore be noted when
connecting to the process. The pressure acting on "+" goes positive,
the pressure acting on "-" goes negative into the calculation of the
pressure dierence.
The conguration of the measuring cells diers depending on the
measuring range:
1
2
3
4
5
1
p2
p
Fig. 8: Metallic measuring cell 10 mbar and 30 mbar - p1and p2process pres-
sures
1 Measuring element
2 Silicone diaphragm
3 Separating diaphragm
4 Filling oil
5 Integrated overvoltage arrester
Functional principle
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