Druck DPI 800 User manual


Copyright 2003 Baker Hughes Company.
English–DPI 800/802 Instruction Manual | i
A1
A2
MENU
OK
HOLD
ESC
1
2
3
4
5
6
7
8
9
10a, b, c
A2
A3
P1 P2
10c
10a
10b
11
12
3xLR6(AA)
B1
m
A
24
V
30V MA
X
30V MA
X
13
14
15
DPI 800/802P

Copyright 2003 Baker Hughes Company.
ii | DPI 800/802 Instruction Manual–English
A3
B1
OK Shift BS
123ABC_
1234567890
QWE R T Y U I O P
ASDFGHJKL
ZX VBNM
26
C
Sk
2
Sk1
55mA
4.000
0.2
2000xxxx g
19 18 17 16
25
24
20
21
22
23

Copyright 2003 Baker Hughes Company.
English–DPI 800/802 Instruction Manual | 1
Introduction
The DPI 800 Pressure Indicator and DPI 802 Pressure Loop Calibrator are part of the Druck
DPI 800 series of hand held instruments.
The DPI 800 series uses Intelligent Digital Output Sensor (IDOS) technology to give instant plug
and play functionality with a range of Universal Measurement Modules (UMM). Example: the
Universal Pressure Module (UPM).
The DPI 800/802 include these functions:
Safety
Before you use the instrument, make sure that you read and understand all the related data. This
includes: all local safety procedures, the instructions for the UMM (if applicable), and this
publication.
Function DPI 800 DPI 802
Measure pressurea
a. Refer to “Specification Data” on page 22.
Internal IDOS: P1 and/or P2b;
External IDOS: UPMb
b. Optional item
Measure pressure differencec
c. High range IDOS - Low range IDOS (if applicable)
Difference (∆) between: P1 and P2, or P1/P2 and a UPM
Leak test Yes
Communications port IDOS or RS232
Language selection Yes
Pressure units 25 (Fixed)
Snapshot ** Up to 1000 displays with a date/time stamp
Measure mA No 0 - 55 mA
HART® resistor No Yes
V dc output No 24 V
Switch test No Yes
Other functions Hold, Maximum/Minimum/Average, Filter, Tare, Scaled values,
Backlight, Alarm
WARNING Some liquid and gas mixtures are dangerous. This includes
mixtures that occur because of contamination. Make sure that the instrument is
safe to use with the necessary media.
It is dangerous to ignore the specified limits for the instrument or to use the
instrument when it is not in its normal condition. Use the applicable protection
and obey all safety precautions.
To prevent a dangerous release of pressure, isolate and bleed the system before
you disconnect a pressure connection.
Do not use the instrument in locations with explosive gas, vapor or dust. There
is a risk of an explosion.
DPI 802/802P only. To prevent electrical shocks or damage to the instrument, do
not connect more than 30V between the terminals, or between the terminals and
the ground (Earth).

Copyright 2003 Baker Hughes Company.
2 | DPI 800/802 Instruction Manual–English
Before you start an operation or procedure in this publication, make sure that you have the
necessary skills (if necessary, with qualifications from an approved training establishment).
Follow good engineering practice at all times.
Safety - Marks and Symbols on the Instrument
MWP: The maximum working pressure for the connector. Example: 2 x FS (FS = Full scale
pressure).
REFERENCE: The connector is a reference port for reference pressure only. Refer to
“Specification Data” on page 22.
The identification on each pressure connector includes the type of thread (1/8 NPT, G1/8...).
Symbol Description
This equipment meets the requirements of all relevant European safety directives. The
equipment carries the CE mark.
This symbol, on the equipment, indicates that the user should read the user manual.
This symbol, on the equipment, indicates a warning and that the user should refer to the
user manual.
Ce symbole, sur l'appareil, est un avertissement qui indique que l'utilisateur doit consulter
le manuel d'utilisation.
Ground (Earth)
On/Off
Battery
P1/P2 Identifies the pressure range connector.
Do not dispose of this product as household waste. Use an approved organization that
collects and/or recycles waste electrical and electronic equipment. For more information,
contact one of these:
- Our customer service department: Druck.com
- Your local government office.

Copyright 2003 Baker Hughes Company.
English–DPI 800/802 Instruction Manual | 3
Contents
1. To Start 5
1.1 Location of Items (Refer to Figure A1 and Figure A2) 5
1.2 Items on the Display (Refer to Figure A3) 6
1.3 Prepare the Instrument 7
1.4 Power On or Off 7
1.5 Set up the Basic Operation 7
1.6 Select a Task (Measure) 8
1.7 Set up the Settings 10
1.8 Edit Functions 11
2. Operation 12
2.1 Pressure Connections 12
2.2 Communications Port Connections 13
2.3 Measure Pressure 13
2.4 Leak Test 14
2.5 Switch Test 15
2.6 Transmitter Calibration 16
2.7 mA Measurements 18
2.8 UPM Pressure Measurements 20
2.9 Error Indications 20
3. Maintenance 21
3.1 Clean the Unit 21
3.2 Replace the Batteries 21
4. Calibration 21
4.1 Before You Start 21
4.2 Procedures (Pressure P1/P2) 23
4.3 Procedures (mA input) 24
4.4 Procedures (IDOS UMM) 25
5. Specification Data 25
5.1 General 25
5.2 Pressure Measurement 26
5.3 Electrical Connectors (Figure A2) 28

Copyright 2003 Baker Hughes Company.
4 | DPI 800/802 Instruction Manual–English
1. To Start
1.1 Location of Items (Refer to Figure A1 and Figure A2)
1.2 Items on the Display (Refer to Figure A3)
Item Description
1. On or Off button.
2. Left-hand soft-key. Selects the function above it on the display (Item 24). Example:
Edit
3.
ESC
Moves back one menu level.
Leaves a menu option.
Cancels the changes to a value.
4.
Increases or decreases a value.
Highlights a different item.
5. HOLD Holds the data on the display. To continue, press the HOLD button again.
6. MENU
OK
Shows the Select Task menu.
Selects or accepts an item or value.
Selects [] or cancels [ ] a selection
7. Right-hand soft-key. Selects the function above it on the display (Item 24). Example:
Settings
8. Display. Refer to Figure A3
9. SENSOR/
PC
Communications port. Use to connect a Universal Measurement Module (UMM) or
a RS232 cable.
10. 10a. IDOS pressure connector with identification marks. Refer to “Safety” on page 1.
10b. Label to identify the pressure range for the associated IDOS pressure connector
(P1/P2): Sealed gage (sg), gage (g), absolute (a).
10c. PTFE vent filter or a reference port connector. Refer to “Specification Data” on
page 22.
11. Connection point for some of the optional accessories. Refer to the datasheet.
12. Battery compartment. Refer to Figure B1.
13., 14., 15. DPI 802/802P only. Terminals to measure current, to supply 24V source, and to do
switch tests.
Item Description
16. DPI 802/802P only. Task indication for the switch test.
= switch closed = switch open
Task indication for the leak test.
Refer to: Select Task (Table 2 & Table 3)
17. DPI 802/802P only. The loop power supply is on.
Refer to: Select Task (Table 2 & Table 3)
18. The measured value satisfies one of the alarm conditions. Refer to: Settings (Table 4)

Copyright 2003 Baker Hughes Company.
English–DPI 800/802 Instruction Manual | 5
1.3 Prepare the Instrument
Before you use the instrument for the first time:
• Make sure that there is no damage to the instrument, and that there are no missing items.
• Remove the plastic film that protects the display. Use the tag () in the top right-hand corner.
• Install the batteries (refer to Figure B1). Then re-attach the cover.
1.4 Power On or Off
To turn the instrument on or off, press (Figure A1 - item [1]). The instrument does a self test
and then shows the applicable data.
When the power is off, the last set of configuration options stays in memory. Refer to
“Maintenance” on page 18.
19. The data on the display is on hold. To continue, press the HOLD button again.
20. Shows the battery level: 0 ... 100%.
21. Identifies the type of data and the measurement range.
= Input = IDOS input
Refer to: Select Task (Table 2 & Table 3)
22. ... 23. Identifies the settings applied to the input.
Refer to: Settings (Table 4)
22. xxxx g The units and the type of sensor (If applicable) OR a specified scale (x:y).
23. Shows the settings applied to the measured value (If applicable).
= Filter = Maximum
= Average
= Tare = Minimum
24. A soft-key function. To select an available function, press the soft-key below it.
Example:
= Move left = Move right
25. The measured value or values applicable to the task selection.
26. The Edit display to set up text labels (£ 6 characters): x:y Scaling (Table 4).
OK = Accept the new text label
Shift = Change the keys: 123ABC or -_+abc
= Add a space
BS = Back space (Delete character)

Copyright 2003 Baker Hughes Company.
6 | DPI 800/802 Instruction Manual–English
1.5 Set up the Basic Operation
Use the Set Up menu to set up the basic operation of the instrument.
If there is additional data for a menu option, select Settings () to see the values that are set
up. If necessary, adjust the values.
1Menu:
Select Task 2 3 Menu:
Set Up 4 5
(Table 2) (Table 1) []/[ ]
Table 1: Menu Options - Set up
Options
(If applicable) Description
DPI 802/802P only. To add a series resistor into the mA circuit. You can then use this
instrument together with a HART® communicator to set up and calibrate HART®
devices.
To select and set up the backlight facility + timer.
Additional data: Select Settings ()
To select and set up the power off facility + timer.
Additional data: Select Settings ()
To show the battery level (%).
To set the display contrast (%).
Increases %, decreases %
To set the time + date. The calibration facility uses the date to give service and
calibration messages.
To set the language option.
To calibrate the instrument.
Additional data: Refer to “Calibration” on page 19.
To select and show the applicable status data (Software Build, Calibration Due date,
Serial Number, IDOS Information).
MENU
OK
MENU
OK
MENU
OK

Copyright 2003 Baker Hughes Company.
English–DPI 800/802 Instruction Manual | 7
1.6 Select a Task (Measure)
When the instrument is set up (Table 1), use the Select Task menu to select the applicable task.
In Table 2 & Table 3, P1 and P2 are internal sensors, and IDOS is a Universal Measurement
Module (UMM). If you attach a UMM to the communications port (Figure A1 - item [9]), the Select
Task menu shows the applicable IDOS options.
Table 3 shows all the one and two function operations that are available. If you attach a UMM,
you can only use the options that include IDOS.
1Menu:
Select Task 2 3 Display:
Task 1xxx g
(Table 2 & Table 3) Sk2 = Settings
Table 2: Menu Options - Select Task
Options
(If applicable) Description
P... An input measurement task (P1, P2a). The task includes
the pressure range for the sensor.
a. Optional item
∆P... An input measurement task to measure the pressure
difference (∆) between: P1 and P2a, or P1/P2a and a
UPMa.
∆P = High range IDOS - Low range IDOS
mA DPI 802/802P only. A mA measurement task.
mA(24V) DPI 802/802P only. A mA measurement task + the loop
power supply is on.
DPI 802/802P only. A switch test.
IDOS UMM only. An IDOS measurement task.
Pressure options only. A leak test.
To set up the way the instrument works.
Additional data: Refer to: Set Up (Table 1).
Table 3: Permitted 1 and 2 Function Operations
Function P1 P2
∆P...
(Table 2) IDOS
(1) (1) (1) (1)
mA (1) (2) (2) (2) (2)
mA(24V) (1) (2) (2) (2) (2)
MENU
OK
P1... g
P2 ... g
MENU
OK
Sk2
0.000
1xxx g

Copyright 2003 Baker Hughes Company.
8 | DPI 800/802 Instruction Manual–English
1.7 Set up the Settings
When the task is set up (Table 2 & Table 3), use the Settings menu to adjust the measurement
operation.
If there is additional data for a menu option, select Settings () to see the values that are set
up. If necessary, adjust the values. Refer to “Edit Functions” on page 9.
x (2) (2) (2) (2)
x (2) (2) x (2)
IDOS (1) (2) (2) x x
P2 (1) (2) x x (2)
= DPI 802/802P only
Display: Task
P1 + mA 1Settings selection
(If applicable) 2 3
Sk2 = Settings
Menu:
Settings 456 Settings
x:y
(Table 4) []/[ ] Sk1 = Edit
Table 4: Menu Options - Settings
Options
(If applicable) Description
... Units To select one of the fixed units of measurement (psi, mbar ... ).
Gage sensors or sensors with differential operation (P1, P2, IDOS). A zero
correction that makes the instrument read zero at local pressure.
To include maximum, minimum and average values for the measurement
task.
Table 3: Permitted 1 and 2 Function Operations
Function P1 P2
∆P...
(Table 2) IDOS
Sk2
55mA
0.000
0.000
P1... g
m
A
P1
MENU
OK
Sk2
MENU
OK
Sk1
=
=
123ABC
m
A
+04.000
+20.000
+04.000
+20.000

Copyright 2003 Baker Hughes Company.
English–DPI 800/802 Instruction Manual | 9
1.8 Edit Functions
Example 1) Set up a label for x:y Scaling = %
To select and set up a tare value for the measurement task (a specified value
or the reading on the display).
The instrument subtracts a positive tare value, and adds a negative tare
value.
Additional data: Select Settings ()
To select and set up a scale of values: One local scale for each
measurement task (Maximum: 5).
Additional data (Example 1/2): Select Settings ()
To select and set up the filter values to give a smoother output for the
measurement task:
Band as a % of full scale (FS). The filter compares each new value with
the previous value. If the new value is outside the band, it is not filtered.
Low pass filter time constant in seconds. Increase the value to increase
the damping factor.
Additional data: Select Settings ()
To select and set up the alarm values for the measurement task (maximum
and minimum).
Additional data: Select Settings ()
Leak Test only. To set an applicable period for the leak test
(Hours:Minutes:Seconds).
Settings
x:y 1Edit 2Edit 3
Sk1 = Edit Figure A3 - item
[26]
Edit ... Edit 4 5
%_
Figure A3 - item
[26]
Table 4: Menu Options - Settings
Options
(If applicable) Description
Sk1
=
=
123ABC
m
A
+04.000
+20.000
+04.000
+20.000
OK Shift BS
_
234567890
QWE R T Y U I O P
ASDFGHJKL
ZX VBNMC
1
Shift
MENU
OK
OK Shift BS
_
_+ .%^&* / \
qwertyuiop
asdfghjkl
zx vbnmc
-
OK
MENU
OK

Copyright 2003 Baker Hughes Company.
10 | DPI 800/802 Instruction Manual–English
Example 2) Set up values for x:y Scaling = 0 to 100%
2. Operation
This section gives examples of how to connect and use the instrument. Before you start:
• Read and understand section “Safety” on page 1.
• Do not use a damaged instrument.
2.1 Pressure Connections
Use an applicable method to seal the pressure connections, and then tighten to the applicable
torque (Figure 1).
Settings
x:y 1Settings
x:y 2Edit 3 4
Sk1 = Edit
= Flow scaling (mA, pressure only)
CAUTION To prevent damage, do not apply torque to the body of the
instrument. If available, use the flat faces on the pressure connector to hold the
instrument in position.
Sk1
=
=
%
m
A
+04.000
+20.000
+04.000
+20.000 =+20.000
=+04.000
=+100.00
=+00.000
MENU
OK

Copyright 2003 Baker Hughes Company.
English–DPI 800/802 Instruction Manual | 11
Note: If the instrument uses G1/8 connections, and the pressure is ≥ 1500 psi (100 bar),
connection method (b) is mandatory.
Figure 1: Connection Methods
2.2 Communications Port Connections
Use the communications port (Figure A1 - item [9]) to attach an IDOS Universal Measurement
Module (UMM).
When you attach the cable from a UMM (Figure 8), the instrument automatically changes the
menus to give you all the applicable options (Table 2 & Table 3).
2.3 Measure Pressure
To measure the pressure or the pressure difference (if there are two IDOS pressure ranges).
1. Connect the instrument (Figure 2) and, if necessary, adjust the Set Up (Table 1).
2. Select an applicable pressure task from Select Task (Table 2/Table 3) and, if necessary,
adjust the Settings (Table 4).
3. If necessary, do a zero correction (Table 4).
1 Process connector. Maximum torque:
1/8 NPT: 26 lbf.ft (35 Nm)
G1/8: 18.4 lbf.ft (25 Nm)
2 Applicable instrument pressure connector
(Table 9)
3 (1/8 NPT only) Thread with an
applicable sealant
4 (G1/8 only) Applicable bonded seal
5 Reference port connector: M5 or 10-32
UNF (Table 10)
Maximum torque: 1.5 lbf.ft (2 Nm)
c) G1/8 connections:
Pressure < 1500 psi (100 bar)
a) 1/8 NPT
connections
b) G1/8 connections:
Pressure ≥ 1500 psi (100 bar)
d) M5 or 10-32 UNF
connections: Refer to
12
3
12
4
12
4
5
2

Copyright 2003 Baker Hughes Company.
12 | DPI 800/802 Instruction Manual–English
4. Before you disconnect the instrument, isolate and bleed the system.
Figure 2: Example Configuration - Measure pressure
The examples in Figure 2 shows:
• How to measure one or two pressures in a system.
• How to measure pressure difference.
Note: ∆P = High range IDOS - Low range IDOS. If Pressure (p2) >Pressure (p1), the result is
negative.
2.4 Leak Test
To do a leak test on a pressure system:
1. Connect the instrument (Figure 3) and, if necessary, adjust the Set Up (Table 1).
2. Select an applicable leak test from Select Task (Table 2/Table 3) and, if necessary, adjust
the Settings (Table 4).
3. Set the period for the leak test (Table 4).
4. If necessary, do a zero correction (Table 4).
5. To start the leak test, select Start (). When the test is finished, the instrument calculates
the leak rate in the applicable units/minute.
P
MENU
OK
HOLD
ESC
P
5.003
P1-P2
MENU
OK
'
'
P1 ... g
P1 30 ... g
15.006
30 ... g
MENU
OK
10.003
20 ... g
p1
p2
P1 P2
p1
p2
Settings Settings
a) P1 and/or P2 b) P1 - P2

Copyright 2003 Baker Hughes Company.
English–DPI 800/802 Instruction Manual | 13
6. Before you disconnect the instrument, isolate and bleed the system.
Figure 3: Example Configuration - Leak Test
2.5 Switch Test
DPI 802/802P only. To do tests on a pressure switch:
1. Connect the instrument (Figure 4) and, if necessary, adjust the Set Up (Table 1).
2. Select the applicable switch test from Select Task (Table 2/Table 3) and, if necessary, adjust
the Settings (Table 4). The display shows the switch condition (open or closed) in the top
right-hand corner.
3. If necessary, do a zero correction (Table 4).
4. Slowly apply pressure to the system until the switch changes condition (open or closed).
5. Slowly release the pressure until the switch changes condition again. The display shows the
pressure values to open and close the switch.
6. To do the test again, press ESC to reset the values.
P1
MENU
OK
HOLD
ESC
+
-
P1
30 ... g
MENU
OK
5.03
5.88
5.74
0.14
(@16:11:18)
- (@16:11:35)
= 2.76 ... /min
Start Settings

Copyright 2003 Baker Hughes Company.
14 | DPI 800/802 Instruction Manual–English
7. Before you disconnect the instrument, isolate and bleed the system.
Figure 4: Example Configuration - Switch Test
2.6 Transmitter Calibration
DPI 802/802P only. To calibrate a transmitter:
1. Connect the instrument (Figure 5 or Figure 6) and, if necessary, adjust the Set Up (Table 1).
2. Select the applicable calibration task from Select Task (Table 2/Table 3) and, if necessary,
adjust the Settings (Table 4).
3. If necessary, do a zero correction (Table 4).
4. For each calibration point, apply an applicable pressure and wait for the pressure system to
stabilize.
MENU
OK
HOLD
ESC
P1
5.003
30 ... g
MENU
OK
+
-
mA 24V
30V MAX 30V MAX
7.45
6.27
P1
Settings

Copyright 2003 Baker Hughes Company.
English–DPI 800/802 Instruction Manual | 15
5. Before you disconnect the instrument, isolate and bleed the system.
Figure 5: Example Configuration - Transmitter Calibration with External Loop Power
mAP1
MENU
OK
HOLD
ESC
P1
0.083
30 ... g
MENU
OK
+
-
+VE
-VE
mA 24V
30V MAX 30V MAX
mA
-
+
0.004
55mA
Settings
Maximum: 30V

Copyright 2003 Baker Hughes Company.
16 | DPI 800/802 Instruction Manual–English
Figure 6: Example Configuration - Transmitter Calibration with Internal Loop Power
2.7 mA Measurements
DPI 802/802P only. To measure a current:
1. Connect the instrument (Figure 7) and, if necessary, adjust the Set Up (Table 1).
mA(24V)P1
MENU
OK
HOLD
ESC
+
-
+VE
-VE
mA 24V
30V MAX 30V MAX
-+
P1
0.083
30 ... g
MENU
OK
mA(24V)
0.004
55mA
Settings
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