Measuring principleFaraday’s law of induction states that a voltage is induced in a conductor moving in a magnetic field.
In electromagnetic measuring, the flowing medium corresponds to the moving conductor. The induced
voltage is proportional to the flow velocity and is detected by two measuring electrodes and
transmitted to the amplifier. Flow volume is computed on the basis of the pipe’s diameter. The
constant magnetic field is generated by a switched direct current of alternating polarity.
A0003191
Ue = B · L · v
Q = A · v
Ueinduced voltage
B magnetic induction (magnetic field)
Lelectrode gap
vflow velocity
Qvolume flow
Apipe cross-section
Icurrent strength
Measuring systemThe flow measuring system consists of the following components:
• Promag 55 transmitter
• Promag S sensor (DN 15 to 600 / ½ to 24")
Two versions are available:
• Compact version: Transmitter and sensor form a single mechanical unit.
• Remote version: Transmitter and sensor are installed separately.
Measurement of solids flow rates
In combination with a density meter, e.g. with "Gammapilot M" from Endress+Hauser, Promag 55S also
determines the throughput of solids in mass, volume or percentage rates.
The following order specifications are required for this: order option for software function "Solids
content flow" (F-CHIP) and order option for a current input.
A0006118
Solids content flow measurement (m) with the aid of a density and flow measuring device. If the solid density (ρS) and the density of
the carrier liquid (ρ
1Flow measuring device (Promag 55S) → volume flow (V). The solid density (ρ
must be entered in the transmitter.
2Density measuring device (e.g. "Gammapilot M") → total fluid density (ρ
) are also known, they can be used to calculate the solids flow.
C
) and the density of the transport liquid (ρC)
S
) (transport liquid and solids)
M
Endress+Hauser3
Page 4
Proline Promag 55S
Input
Measured variable• Flow rate (proportional to induced voltage)
• Conductivity (without temperature compensation)
Measuring ranges• Flow rate: Typical v = 0.01 to 10 m/s (0.03 to 33 ft/s) with the specified measuring accuracy
• Conductivity s = 5 to 2000 μS/cm
not for sensors without reference electrode (Promag S with brush electrodes)
Operable flow rangeOver 1000 : 1
Input signalStatus input (auxiliary input)
U = 3 to 30 V DC, Ri = 5 kΩ,
Configurable for: totalizer(s) reset, positive zero return, error-message reset
Status input (auxiliary input) with PROFIBUS DP
U = 3 to 30 V DC, R
= 3 kΩ, galvanically isolated.
i
Switch level: ±3…±30 V DC, independent of polarity.
Configurable for: positive zero return, error message reset, zero point adjustment start
galvanically isolated
Current input
Active/passive selectable, galvanically isolated, full scale value adjustable, resolution: 3 μA,
temperature coefficient: typically 0.005% o.f.s./°C (0.003% o.f.s./°F)
• Active: 4 to 20 mA, R
• Passive: 0/4 to 20 mA, Ri ≤ 150 Ω, U
Output
Output signalCurrent output
Active/passive selectable, galvanically isolated, time constant selectable (0.01 to 100 s),
full scale value adjustable, temperature coefficient: typically 0.005% o.f.s./°C (0.003 % o.f.s./°F),
resolution: 0.5 μA
• Output data: volume flow, calculated mass flow, temperature, totalizer 1 to 3
• Input data: positive zero return (ON/OFF), reset totalizer
• Link Master (LM) functionality is supported
Signal on alarmCurrent output
Failsafe mode selectable (e.g. according to NAMUR recommendation NE 43)
Pulse/frequency output
Failsafe mode selectable
Relay output
"de-energized" in the event of a fault or power supply failure
PROFIBUS DP/PA
Status and alarm messages in accordance with PROFIBUS Profile Version 3.0
LoadSee "output signal"
Low flow cut offSwitch points for low flow freely selectable.
Galvanic isolationAll circuits for inputs, outputs, and power supply are galvanically isolated from each other.
Switching outputRelay output
Normally closed (NC or break) or normally open (NO or make) contacts available
(default: relay 1 = NO, relay 2 = NC),
max. 30 V / 0.5 A AC; 60 V / 0.1 A DC, galvanically isolated. Configurable for: error messages, empty
pipe detection (EPD), direction of flow, limit values.
Power consumptionAC: < 45 VA at 260 V AC; < 32 VA at 110 V AC (incl. sensor)
DC: < 19 W (including sensor)
Switch-on current:
• Max. 2.5 A (< 200 ms) at 24 V DC
• Max. 2.5 A (< 5 ms) at 110 V AC
• Max. 5.5 A (< 5 ms) at 260 V AC
Power supply failureLasting min. 1 power cycle:
• EEPROM or HistoROM/T-DAT saves measuring system data if power supply fails
• HistoROM/S-DAT: exchangeable data storage device which stores sensor characteristic data
(nominal diameter, serial number, calibration factor, zero point etc.)
PROFIBUS DP
Current output 1
HART
Current output 1
HART
HART
HART
6Endress+Hauser
Page 7
Proline Promag 55S
HART
PROFIBUS DP**
27
25
23
21
2
1
26
24
22
20
L1 (L+)
N (L-)
–
–
–
+
+
+
PROFIBUS PA*
FOUNDATION Fieldbus*
PA(–)/FF(–)
27
25
23
21
2
1
26
24
22
20
L1 (L+)
N (L-)
–
–
–
+
+
+
A (RxD/TxD-N)
B (RxD/TxD-P)
PA(+)/FF(+)
d
c
e
b
–27
–25
–23
–21
+ 26
+ 24
+ 22
+ 20
N (L-) 2
L1 (L+)1
25
23
21
2
1
24
22
20
L1 (L+)
N (L-)
–
–
–
+
+
+
27
26
A (RxD/TxD-N)
B (RxD/TxD-P)
a
A
d
b
g
d
c
e
b
d
c
e
b
g
d
c
e
b
g
PROFIBUS DP*
ff
ff
a
B
(d)
b
d/(g)
Electrical connection
Connecting the transmitter, cable cross-section max. 2.5 mm2 (14 AWG)
AView A (field housing)
BView B (wall-mount housing)
*)Fixed communication boards
**)Flexible communication boards
aConnection compartment cover
bCable for power supply: 20 to 260 V AC / 20 to 64 V DC
cGround terminal for protective conductor
dElectrode cable: see Terminal assignment → 6
eGround terminal for electrode cable shield / Fieldbus cable
fService adapter for connecting service interface FXA193 (Fieldcheck, FieldCare)
gElectrode cable: see Terminal assignment → 6
- Terminal No. 1: L1 for AC, L+ for DC
- Terminal No. 2: N for AC, L– for DC
Fieldbus cable:
- Terminal No. 26: DP (B) / PA (+) / FF (+): with polarity protection
- Terminal No. 27: DP (A) / PA (–) / FF (–): with polarity protection
Cable for external termination (only for PROFIBUS DP with permanent assignment communication board):
Perfect measurement is only ensured when the medium and the sensor have the same electrical
potential. Most Promag sensors have a reference electrode installed as standard, which guarantees the
required potential equalization. This usually means that additional potential equalization measures
are unnecessary.
Promag S:
• Reference electrode is standard for electrode materials 1.4435/316L, Alloy C-22, tantalum,
titanium Gr. 2, Duplex 1.4462, tungsten carbide coating (for electrodes made of 1.4435)
• Reference electrode is optional for electrode material platinum
• Reference electrode not present in measuring tubes with a natural rubber lining in conjunction with
brush electrodes
!
Note!
For installation in metal pipes, it is advisable to connect the ground terminal of the transmitter housing
to the piping. Also, observe company-internal grounding guidelines.
Potential equalization by means of the transmitter's ground terminal
A0004375
8Endress+Hauser
Page 9
Proline Promag 55S
AB
!
!
Note!
• For sensors without reference electrodes or without metal process connections, carry out potential
equalization as per the instructions for special cases described below. These special measures are
particularly important when standard grounding practice cannot be ensured or extremely strong
matching currents are expected.
• Sensors with brush electrodes do not have a reference electrode. For this reason, ground disks must
be installed if necessary to ensure sufficient potential equalization to the fluid. This applies in
particular to isolating lined pipes which are not grounded → 9.
Special cases
Metal, ungrounded piping
In order to prevent outside influences on measurement, it is necessary to use ground cables to connect
each sensor flange to its corresponding pipe flange and ground the flanges. Connect the transmitter or
sensor connection housing, as applicable, to ground potential by means of the ground terminal
provided for the purpose (see diagram).
The ground cable for flange-to-flange connections can be ordered separately as an accessory from
Endress+Hauser → 45.
•DN 300 (12"): The ground cable is in direct connection with the conductive flange coating and is
secured by the flange screws (A).
•DN 350 (14"): The ground cable connects directly to the metal transport bracket (B).
Potential equalization with equalizing currents in ungrounded, metal pipes
(ground cable: copper wire, at least 6 mm
AInstalling ground cable at DN ≤ 300 (12")
BInstalling ground cable at DN ≥ 350 (14")
Pre-installed ground cable for DN ≤ 300 (12") (order option)
Ground cables which are preinstalled on the sensor flange, are also available. These ground cables can
be mounted and connected electrically to the piping in different ways:
• Using a screw on the side of the pipe flange (a)
• Using the flange screws (b)
• Using a pipe clip installed around the pipe (c)
2
/10 AWG)
Endress+Hauser9
A0004376
Page 10
!
a
b
c
Proline Promag 55S
A006117
Possibilities for connecting and mounting pre-installed ground cables
(ground cable: copper wire at least 6 mm
2
/10 AWG)
Plastic pipes and isolating lined pipes
Normally, potential is matched using the reference electrodes in the measuring tube. However, in
exceptional cases it is possible that, due to the grounding plan of a system, matching currents flow over
the reference electrodes. This can lead to destruction of the sensor, e.g. through electro-chemical
decomposition of the electrodes. In such cases, e.g. for fiberglass or PVC pipings, it is therefore
essential that you use additional ground disks for potential equalization. This applies also to twophase or two-component flow, where the fluid is not well mixed or its constituents are not mixable.
Note!
• Risk of damage by electrochemical corrosion. Note the electrochemical insulation rating, if the
ground disks and measuring electrodes are made of different materials.
Potential equalization/ground disks in the case of plastic pipes or isolating lined pipes
(ground cable: copper wire at least 6 mm
2
/ 10 AWG)
Plastic pipes and isolating lined pipes
In such cases, install the measuring instrument without potential in the piping:
• When installing the measuring device, make sure that there is a terminal assignment between the
two piping runs (copper wire, at least 6 mm2 / 10 AWG).
• When using ground disks in plastic or isolating lined pipes, ensure that they are electrically
connected with each other (copper wire at least 6 mm
2
/ 10 AWG).
• Make sure that the mounting material used does not establish a conductive connection between the
pipe and the measuring device and that the mounting material withstands the torques applied when
the threaded fasteners are tightened during installation.
• Check the galvanic isolation using an insulation tester (protection against contact).
• Also comply with the regulations applicable to potential-free installation.
10Endress+Hauser
Page 11
Proline Promag 55S
1
22
!
Cable entriesPower-supply and electrode cables (inputs/outputs):
Note!
For the remote version, both the sensor and the transmitter must be installed so that they are
potential-free.
Potential equalization and cathodic protection (connecting cable: copper wire at least 6 mm2 / 10 AWG)
1Isolation transformer power supply
2Electrically insulated
• Cable gland M20 × 1.5 (8 to 12 mm / 0.31 to 0.47")
• Cable entries for thread ½" NPT, G ½"
Fieldbus cable:
• Fieldbus connector for PROFIBUS PA, M12 × 1 / PG 13.5 plus adapter PG 13.5 / M20.5
• Fieldbus connector for FOUNDATION Fieldbus, 7/8-16 UNC × M20
Connecting cable for remote version:
• Cable gland M20 × 1.5 (8 to 12 mm / 0.31 to 0.47")
• Cable entries for thread ½" NPT, G ½"
A0004378
Remote version cable
specifications
Coil current cable
• 2 × 0.75 mm² (18 AWG) PVC cable with common, braided copper shield (⌀ ~ 7 mm / 0.28")
As an option, Endress+Hauser can also deliver reinforced connecting cables with an additional,
reinforcing metal braid. We recommend such cables for the following cases:
• Directly buried cable
• Cables endangered by rodents
• Device operation which should comply with the IP 68 (NEMA 6P) standard of protection
Operation in zones of severe electrical interference
The measuring device complies with the general safety requirements in accordance with EN 61010-1,
the EMC requirements of IEC/EN 61326 and NAMUR recommendation NE 21.
Note!
Grounding of the shield is by means of the ground terminals provided for the purpose inside the
connection housing. Keep the stripped and twisted lengths of cable shield to the terminals as short as
possible.
12Endress+Hauser
Page 13
Proline Promag 55S
0
1
2.5
[%]
2.0
1.5
1.0
0.5
0
246810 [m/s]
v
5101520253032 [ft]0
Performance characteristics
Reference operating
conditions
Maximum measured errorPulse output:
!
To DIN EN 29104 and VDI/VDE 2641:
• Fluid temperature: +28 °C ± 2 K (+82 °F ± 2 K)
• Ambient temperature: +22 °C ± 2 K (+72 °F ± 2 K)
• With brush electrodes (Option): max. ±0.2% o.r. ± 0.5 mm/s (±0.2% o.r. ± 0.02 in/s)
(o.r. = of reading)
Conductivity
•Max. ±5% o.r.
(o.r. = of reading)
Endress+Hauser13
Page 14
Proline Promag 55S
h2DN³´
Installation
Mounting locationThe accumulation of air or gas bubbles in the measuring tube could result in an increase in measuring
errors. Avoid the following locations:
• At the highest point of a pipeline. Risk of air accumulating.
• Directly upstream from a free pipe outlet in a vertical pipeline.
A0003202
Mounting location
Installation of pumps
Do not install the sensor on the intake side of a pump. This precaution is to avoid low pressure and the
consequent risk of damage to the lining of the measuring tube. Information on the lining's resistance
to partial vacuum → 23.
It might be necessary to install pulse dampers in systems incorporating reciprocating, diaphragm or
peristaltic pumps. Information on the measuring system's resistance to vibration and shock → 19.
A0003203
Installation of pumps
14Endress+Hauser
Page 15
Proline Promag 55S
³´5DN
³ 2
´ DN
h
2
1
!
Partially filled pipes
Partially filled pipes with gradients necessitate a drain-type configuration. The Empty Pipe Detection
function offers additional protection by detecting empty or partially filled pipes.
Note!
Risk of solids accumulating. Do not install the sensor at the lowest point in the drain. It is advisable to
install a cleaning valve.
A0003204
Installation with partially filled pipes
Down pipes
Install a siphon or a vent valve downstream of the sensor in down pipes h ≥ 5 m (16.4 ft). This
precaution is to avoid low pressure and the consequent risk of damage to the lining of the measuring
tube. This measure also prevents the system losing prime, which could cause air inclusions.
Information on the lining's resistance to partial vacuum → 23.
A0008157
Installation measures for vertical pipes
1Vent valve
2Siphon
hVertical height of the down pipe regarding the sensor
Endress+Hauser15
Page 16
Proline Promag 55S
A
1
22
A
3
OrientationAn optimum orientation position helps avoid gas and air accumulations and deposits in the measuring
tube. Promag, nevertheless, supplies a range of functions and accessories for correct measuring of
problematic fluids:
• Electrode Cleaning Circuit (ECC) for applications with fluids producing build-up, e.g. electrically
conductive deposits → "Description of Device Functions" manual.
• Empty Pipe Detection (EPD) ensures the detection of partially filled measuring tubes, e.g. in the case
of degassing fluids.
Vertical orientation
A vertical orientation is ideal in the following cases:
• For self-emptying piping systems and when using empty pipe detection.
• For sludge containing sand or stones and where the solids cause sedimentation.
!
A0008158
Horizontal orientation
The measuring electrode plane should be horizontal. This prevents brief insulation of the two
electrodes by entrained air bubbles.
Note!
Empty Pipe Detection functions correctly with the measuring device installed horizontally only when
the transmitter housing is facing upward (see diagram). Otherwise there is no guarantee that Empty
Pipe Detection will respond if the measuring tube is only partially filled or empty.
A0003207
1EPD electrode for empty pipe detection (not available for "measuring electrode only" option)
2Measuring electrodes for signal detection
3Reference electrode for potential equalization (not available for "measuring electrode only" option)
16Endress+Hauser
Page 17
Proline Promag 55S
³ 5DNx
³ 2DNx
100
10
0.5
d / D
[mbar]
0.60.7 0.80.9
1 m/s
2 m/s
3 m/s
4 m/s
5 m/s
6 m/s
7 m/s
8 m/s
1
D
d
max. 8°
Inlet and outlet runsIf possible, install the sensor well clear of fittings such as valves, T-pieces, elbows etc.
Compliance with the following requirements for the inlet and outlet runs is necessary in order to
ensure measuring accuracy.
• Inlet run ≥ 5 × DN
•Outlet run ≥ 2 × DN
A0003210
AdaptersSuitable adapters to DIN EN 545 (double-flange reducers) can be used to install the sensor in larger-
diameter pipes. The resultant increase in the rate of flow improves measuring accuracy with very slowmoving fluids. The nomogram shown here can be used to calculate the pressure loss caused by crosssection reduction.
!
Note!
The nomogram applies to fluids of viscosity similar to water.
1.Calculate the ratio of the diameters d/D.
2.From the nomogram, read off the pressure loss as a function of fluid velocity (downstream from
the reduction) and the d/D ratio.
Pressure loss due to adapters (for pressure losses in US units, please contact Endress+Hauser)
A0003213
Endress+Hauser17
Page 18
Proline Promag 55S
[µS/cm]
50
40
30
20
10
5
0
10020304050
[m]
L
max
L
max
501001500
[ft]
Length of connecting cableIn order to ensure measuring accuracy, comply with the following instructions when installing the
remote version:
• Secure the cable run or route the cable in an armored conduit. Movement of the cable can falsify the
measuring signal, particularly if the fluid conductivity is low.
• Route the cable well clear of electrical machines and switching elements.
• Ensure potential equalization between sensor and transmitter, if necessary.
• The permissible cable length L
• The maximum connecting cable length is 10 m (32.8 ft) when empty pipe detection (EPD) is
switched on.
depends on the fluid conductivity (see Figure).
max
A0006116
Permitted lengths for connecting cable in remote version, as a function of the conductivity of the fluid
Gray shaded area = permissible area
= Length of connecting cable
L
max
Foundations, supportsIf the nominal diameter is DN ≥ 350 (14"), mount the sensor on a foundation of adequate load-bearing
strength.
!
Note!
Risk of damage.
Do not support the weight of the sensor on the metal casing: the casing would buckle and damage the
internal magnetic coils.
18Endress+Hauser
Correct support for large nominal diameters (DN ≥ 350 / 14")
A0003209
Page 19
Proline Promag 55S
Environment
Ambient temperature rangeTransmitter:
• Standard:
– Compact version: –20 to +50 °C (–4 to +122 °F)
– Remote version: –20 to +60 °C (–4 to +140 °F)
• Optional:
– Compact version: –40 to +50 °C (–40 to +122 °F)
– Remote version: –40 to +60 °C (–40 to +140 °F)
!
!
Note!
At ambient temperatures below –20 °C (–4 °F), the readability of the display may be impaired.
Sensor:
• Flange material carbon steel: –10 to +60 °C (+14 to +140 °F)
• Flange material stainless steel: –40 to +60 °C (–40 to +140 °F)
Note!
Do not exceed the min. and max. temperatures for the lining of the measuring tube
(→ "Medium temperature range").
Note the following points:
• Install the device at a shady location. Avoid direct sunlight, particularly in warm climatic regions.
• If both fluid and ambient temperatures are high, install the transmitter at a remote location from the
sensor (→ "Medium temperature range").
Storage temperatureThe storage temperature corresponds to the operating temperature range of the transmitter and
sensor.
Degree of protection• Standard: IP 67 (NEMA 4X) for transmitter and sensor
• Optional: IP 68 (NEMA 6P) for remote version of Promag S sensor
• For information regarding applications where the device is buried directly in the soil or is installed
in a flooded wastewater basin please contact your local Endress+Hauser Sales Center.
Shock and vibration
resistance
Electromagnetic
compatibility (EMC)
Acceleration up to 2 g by analogy with IEC 600 68-2-6
(High temperature version: no data available)
According to IEC/EN 61326 and NAMUR recommendation NE 21
Endress+Hauser19
Page 20
Process
PTFE
HT
PFA
2
0
0
0
0
-20-40
-40
20
20
40
100
60
140
[°F] [°C]
T
A
40 60 80
T
F
100
100
120 140 160
200300
180 [°C]
360 [°F]
-20
-40
-40
1
HT
PTFE
PFA
0
0
0
0
-20-40
-40
20
20
40
100
60
140
[°F] [°C]
T
A
40 60 80
T
F
100
100
120 140 160
200300
180 [°C]
360 [°F]
-20
-40
-40
2
1
Medium temperature rangeThe permitted temperature depends on the lining of the measuring tube:
• 0 to +60 °C (+32 to +140 °F) for natural rubber (DN 65 to 600 / 2½ to 24")
• 0 to +80 °C (+32 to +176 °F) for hard rubber (DN 65 to 600 / 2½ to 24")
• –20 to +50 °C (–4 to +122 °F) for polyurethane (DN 25 to 600 / 1 to 24")
• –20 to +180 °C (–4 to +356 °F) for PFA (DN 25 to 200 / 1 to 8"), restrictions → see diagrams
• –40 to +130 °C (–40 to +266 °F) for PTFE (DN 15 to 600 / ½ to 24"), restrictions → see diagrams
Proline Promag 55S
Promag S compact versions (with PFA or PTFE lining)
T
Ambient temperature
A
Fluid temperature
T
F
HTHigh temperature version with insulation
1Gray shaded area → temperature range from –10 to –40 °C (–14 to –40 °F) applies only to stainless steel flanges
2HE + IP 68 to 130 °C (266 °F) only
20Endress+Hauser
Promag S remote versions (with PFA or PTFE lining)
Ambient temperature
T
A
Fluid temperature
T
F
HTHigh temperature version with insulation
1Gray shaded area → temperature range from –10 to –40 °C (–14 to –40 °F) applies only to stainless steel flanges
2HE + IP 68 to 130 °C (266 °F) only
A0006119
A0002671
Page 21
Proline Promag 55S
0
5
10
15
20
25
35
30
40
[bar][psi]
-40
-20
020
40 60 80 100120140160180 [°C]
360 [°F]
0-40100200300
200
100
400
300
500
600
0
PN 25
PN 16
PN 10
PN 6
PN 40
PN 16
PN 10
PN 40
PN 6
0
5
10
15
20
25
35
30
40
[bar][psi]
-60
-40
-20
020
40 60 80 100120140 160180 [°C]
360 [°F]
0-40100200300
200
100
400
300
500
600
0
PN 25
ConductivityMinimum conductivity:
• ≥ 5 μS/cm for all liquids (incl. demineralized water)
!
Note!
In the remote version, the required minimum conductivity is also influenced by the length of the cable
→ 18.
Pressure-temperature
ratings
The following diagrams contain material load curves (reference curves) for various process connections
relating to the fluid temperature. But the maximal permissible fluid temperature always depends on
the lining material of the sensor and/or the sealing material.
Process connection: flange according to EN 1092-1 (DIN 2501)
Process connection material: S235JRG2, S235JR+N, P250GH, P245GH, E250C, A105
A0021188-EN
Process connection: flange according to EN 1092-1 (DIN 2501)
Process connection material: 1.4571, F316L
Endress+Hauser21
A0021184-EN
Page 22
Process connection: flange according to ASME B16.5
Class 300
Class 150
0
10
20
30
40
50
[bar][psi]
-40
-20
020
40 60 80 100120140 160180 [°C]
360 [°F]
0-40100200300
200
100
400
300
500
600
700
800
900
60
0
Class 300
Class 150
0
10
20
30
40
50
[bar][psi]
-40
-20
020
40 60 80 100120140 160180 [°C]
360 [°F]
0-40100200300
200
100
400
300
500
600
700
800
900
0
60
10K
20K
-40
-20
020
40 60 80 100120140 160180 [°C]
0
10
20
30
[bar]
360 [°F]
0-40100200300
[psi]
200
100
400
300
0
Process connection material: A105
Process connection: flange according to ASME B16.5
Process connection material: F316L
Proline Promag 55S
A0021182-EN
Process connection: flange according to JIS B2220
Process connection material: A105, A350 LF2, F316L
22Endress+Hauser
A0021185-EN
A0021183-EN
Page 23
Proline Promag 55S
-40
-20
020
40 60 80 100120140 160 [°C]
0
10
5
20
15
[bar]
0-40100200
300 [°F]
[psi]
200
100
300
0
TableE
-40
-20
020
40 60 80 100120140 160 [°C]
0
10
5
20
15
[bar]
0-40100200
300 [°F]
[psi]
200
100
300
0
PN 16
Process connection: flange according to AS 2129 Table E or AS 4087 PN 16
Process connection material: A105, P235GH, P265GH, S235JRG2
A0021189-EN
Process connection: flange according to AS 2129 Table E or AS 4087 PN 16
Process connection material: A105, P265GH, S275JR
Medium pressure range
(nominal pressure)
• EN 1092-1 (DIN 2501): PN 10 (DN 200 to 600 / 8 to 24"), PN 16 (DN 65 to 600 / 2½ to 24"),
PN 25 (DN 200 to 600 / 8 to 24"), PN 40 (DN 15 to 150 / ½ to 6")
• ASME B16.5: Class 150 (DN ½ to 24"), Class 300 (DN ½ to 6")
• JIS B2220: 10K (DN 50 to 600 / 2 to 24"), 20K (DN 15 to 600 / ½ to 24")
• AS 2129: Table E (DN 25 / 1", DN 50 / 2")
• AS 4087: PN 16 (DN 50 / 2")
Pressure tightness (lining)Pressure tightness in SI units [mbar]
Promag S
Nominal
diameter
[mm]25 °C50 °C80 °C100 °C130 °C150 °C180 °C
25 to 600Polyurethane00 -----
65 to 600Natural rubber00 -----
65 to 600Hard rubber00 0 ----
Promag S
Nominal
diameter
Endress+Hauser23
[mm]25 °C80 °C100 °C130 °C150 °C180 °C
15PTFE000100––
25PTFE / PFA0/00/00/0100/0–/0–/0
Measuring tube
lining
Measuring tube
lining
Resistance of measuring tube lining to partial vacuum (SI units)
Limit values for abs. pressure [mbar] at various fluid temperatures
Resistance of measuring tube lining to partial vacuum (SI units)
Limit values for abs. pressure [mbar] at various fluid temperatures
A0023077-EN
Page 24
Proline Promag 55S
32PTFE / PFA0/00/00/0100/0–/0–/0
40PTFE / PFA0/00/00/0100/0–/0–/0
50PTFE / PFA0/00/00/0100/0–/0–/0
65PTFE / PFA0/0*40/0130/0–/0–/0
80PTFE / PFA0/0*40/0130/0–/0–/0
100PTFE / PFA0/0*135/0170/0–/0–/0
125PTFE / PFA135/0*240/0385/0–/0–/0
150PTFE / PFA135/0*240/0385/0–/0–/0
200PTFE / PFA200/0*290/0410/0–/0–/0
250PTFE330*400530––
300PTFE400*500630––
350PTFE470*600730––
400PTFE540*670800––
450PTFE
Partial vacuum is impermissible!500PTFE
600PTFE
* No value can be quoted.
Pressure tightness in US units [psi = pounds/inch2]
Promag S
Nominal
diameter
[inch]77 °F122 °F176 °F212 °F266 °F302 °F356 °F
1 to 24"Polyurethane00 -----
3 to 24"Natural rubber00 -----
3 to 24"Hard rubber00 0 ----
Promag S
Nominal
diameter
[inch]77 °F176 °F212 °F266 °F302 °F356 °F
½"PTFE0001.5––
1"PTFE / PFA0/00/00/01.5/0–/0–/0
–PTFE / PFA0/00/00/01.5/0–/0–/0
1½"PTFE / PFA0/00/00/01.5/0–/0–/0
2"PTFE / PFA0/00/00/01.5/0–/0–/0
–PTFE / PFA0/0*0.6/01.9/0–/0–/0
3"PTFE / PFA0/0*0.6/01.9/0–/0–/0
4"PTFE / PFA0/0*2.0/02.5/0–/0–/0
–PTFE / PFA2.0/0*3.5/05.6/0–/0–/0
6"PTFE / PFA2.0/0*3.5/05.6/0–/0–/0
8"PTFE / PFA2.9/0*4.2/05.9/0–/0–/0
10"PTFE4.8*5.87.7––
12"PTFE5.8*7.39.1––
14"PTFE6.8*8.710.6––
16"PTFE7.8*9.711.6––
18"PTFE
24"PTFE
* No value can be quoted.
Measuring tube
lining
Measuring tube
lining
Resistance of measuring tube lining to partial vacuum (US units)
Limit values for abs. pressure [psi] at various fluid temperatures
Resistance of measuring tube lining to partial vacuum (US units)
Limit values for abs. pressure [psi] at various fluid temperatures
Partial vacuum is impermissible!20"PTFE
24Endress+Hauser
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Proline Promag 55S
Limiting flowThe diameter of the pipe and the flow rate determine the nominal diameter of the sensor. The
optimum flow velocity is between 2 and 3 m/s (6 to 10 ft/s). The flow velocity (v), moreover, has to be
matched to the physical properties of the fluid:
• v < 2 m/s (6 ft/s): for abrasive fluids where solids do not cause sedimentation (e.g. lime milk)
• v > 2 m/s (6 ft/s): for fluids producing build-up (e.g. wastewater sludge)
• v > 2 m/s (6 ft/s): for abrasive sludge with a high sand or stone content and where the solids easily
cause sedimentation (e.g. ore slurry)
!
Note!
Flow velocity can be increased, if necessary, by reducing the nominal diameter of the sensor through
the use of adapters → 17.
Flow rate characteristic values - Promag S (SI units)
Nominal
Recommended flow rateFactory settings
diameter
[mm]min./max. full scale value
(v ≈ 0.3 or 10 m/s)
154 to 100 dm
259 to 300 dm
3215 to 500 dm
4025 to 700 dm
5035 to 1100 dm
6560 to 2000 dm
8090 to 3000 dm
100145 to 4700 dm
125220 to 7500 dm
15020 to 600 m
20035 tof 1100 m
25055 to 1700 m
30080 to 2400 m
350110 to 3300 m
400140 to 4200 m
450180 to 5400 m
500220 to 6600 m
600310 to 9600 m
3
3
3
3
3
3
3
3
3
Full scale value
(v ≈ 2.5 m/s)
3
/min25 dm3/min0.20 dm
3
/min75 dm3/min0.50 dm
3
/min125 dm3/min1.00 dm
3
/min200 dm3/min1.50 dm
3
/min300 dm3/min2.50 dm
3
/min500 dm3/min5.00 dm
3
/min750 dm3/min5.00 dm
3
/min1200 dm3/min10.00 dm
3
/min1850 dm3/min15.00 dm
Pulse value
(≈ 2 pulse/s)
/h150 m3/h0.025 m
/h300 m3/h0.05 m
/h500 m3/h0.05 m
/h750 m3/h0.10 m
/h1000 m3/h0.10 m
/h1200 m3/h0.15 m
/h1500 m3/h0.25 m
/h2000 m3/h0.25 m
/h2500 m3/h0.30 m
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
Low flow cut off
(v ≈ 0.04 m/s)
0.5 dm3/min
1dm3/min
2dm3/min
3dm3/min
5dm3/min
8dm3/min
12 dm3/min
20 dm3/min
30 dm3/min
2.5 m3/h
5.0 m3/h
7.5 m3/h
10 m3/h
15 m3/h
20 m3/h
25 m3/h
30 m3/h
40 m3/h
Endress+Hauser25
Page 26
Flow rate characteristic values - Promag S (US units)
L
Proline Promag 55S
Nominal
diameter
[inch]min./max. full scale value
½"1.0 to 27 gal/min6 gal/min0.05 gal0.10 gal/min
1"2.5 to 80 gal/min18 gal/min0.20 gal0.25 gal/min
1¼"4 to 130 gal/min30 gal/min0.20 gal0.50 gal/min
1½"7 to 190 gal/min50 gal/min0.50 gal0.75 gal/min
2"10 to 300 gal/min75 gal/min0.50 gal1.25 gal/min
2½"16 to 500 gal/min130 gal/min1 gal2.0 gal/min
3"24 to 800 gal/min200 gal/min2 gal2.5 gal/min
4"40 to 1250 gal/min300 gal/min2 gal4.0 gal/min
5"60 to 1950 gal/min450 gal/min5 gal7.0 gal/min
6"90 to 2650 gal/min600 gal/min5 gal12 gal/min
8"155 to 4850 gal/min1200 gal/min10 gal15 gal/min
10"250 to 7500 gal/min1500 gal/min15 gal30 gal/min
12"350 to 10600 gal/min2400 gal/min25 gal45 gal/min
Recommended flow rateFactory settings
(v ≈ 1.0 or 33 ft/s)
Full scale value
(v ≈ 8.2 ft/s)
Pulse value
(≈ 2 pulse/s)
Low flow cut off
(v ≈ 0.1 ft/s)
14"500 to 15000 gal/min3600 gal/min30 gal60 gal/min
16"600 to 19000 gal/min4800 gal/min50 gal60 gal/min
18"800 to 24000 gal/min6000 gal/min50 gal90 gal/min
20"1000 to 30 000 gal/min7500 gal/min75 gal120 gal/min
24"1400 to 44 000 gal/min10500 gal/min100 gal180 gal/min
Pressure loss• No pressure loss if the sensor is installed in a pipe of the same nominal diameter.
• Pressure losses for configurations incorporating adapters according to DIN EN 545 → 17.
VibrationsSecure and fix both the piping and the sensor if the vibrations are severe.
!
Note!
It is advisable to install sensor and transmitter separately if vibration is excessively severe. Information
on the permitted resistance to vibration and shock → 19.
Measures to prevent vibration of the measuring device (L > 10 m / 33 ft)
A0003208
26Endress+Hauser
Page 27
Proline Promag 55S
Esc
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D
C
B
A
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N
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HJ
M
PP
SS
T
Mechanical construction
Design, dimensionsTransmitter wall-mount housing (non hazardous area and II3G / zone 2)
Dimensions (SI units)
ABCDEFGHJK
21525090.5159.51359045> 508153
LMNOPQRST
955310281.511.51928 × M5202 × ⌀ 6.5
1)
Securing screw for wall mounting: M6 (screw head max. 10.5 mm)
All dimensions in [mm]
Dimensions (US units)
ABCDEFGHJK
8.469.843.566.275.313.541.77> 1.973.182.08
LMNOPQRST
3.742.084.013.200.457.558 × M50.792 × ⌀ 0.26
1)
Securing screw for wall mounting: M6 (screw head max. 0.41")
All dimensions in [inch]
A0001150
1)
1)
Endress+Hauser27
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Proline Promag 55S
245(9.65)
~110 (~4.33)
210 (8.27)
+0.5 (+0.019)
–0.5 (–0.019)
+0.5 (+0.019)
–0.5 (–0.019)
Ø 20…70
(Ø 0.79…2.75)
~~ 6.1)155 (
There is a separate mounting kit for the wall-mounted housing. It can be ordered from Endress+Hauser
as an accessory. The following installation variants are possible:
• Panel-mounted installation
•Pipe mounting
Installation in control panel
Pipe mounting
A0001131
A0001132
28Endress+Hauser
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Proline Promag 55S
J
L
E
G
F
H
B
C
A
D
Sensor, remote version DN ≤ 300 (12")
A0012462
Dimensions (SI units)
DNABCDEFGHJL
EN (DIN) / JIS / AS
15
252862028412094200
322862028412094200
402862028412094200
502862028412094200
6533622710918094200
8033622710918094200
10033622710918094250
125417267150260140250
150417267150260140300
200472292180324156350
250522317205400166450
300572342230460166500
The fitting length (L) is always the same, regardless of the pressure rating.
1)
Only DN 25 and DN 50 are available for flanges according to AS.
All dimensions in [mm]
1)
2862028412094200
129163143102
Endress+Hauser29
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Dimensions (US units)
E1
D1
110
(4.33)
DNABCDEFGHJL
ASME
½"
1"11.37.953.314.723.707.87
1½"11.37.953.314.723.707.87
2"11.37.953.314.723.707.87
3"13.28.944.297.093.707.87
4"13.28.944.297.093.709.84
6"16.410.55.9110.25.5111.8
8"18.611.57.0812.86.1413.8
10"20.612.58.0715.86.5417.7
12"22.513.59.0618.16.5419.7
The fitting length (L) is always the same, regardless of the pressure rating.
All dimensions in [inch]
5.086.425.634.02
11.37.953.314.723.707.87
Proline Promag 55S
High temperature version DN ≤ 300 (12")
Measurement D1, E1 = Measurement D, E of the standard remote version plus 110 mm (4.33")
A0005570
30Endress+Hauser
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Proline Promag 55S
H
E
G
F
L
J
A
B
C
D
Sensor, remote version DN ≥ 300 (12")
A0003220
Dimensions (SI units)
DNABCDEFGHJL
EN (DIN)
350
400735.5 427.5 308.0616288600
450785.5 452.5 333.0666292650
500836.5 478.0 358.5717292650
600940.5 530.0 410.5821402780
The fitting length (L) is always the same, regardless of the pressure rating.
All dimensions in [mm]
129163143102
683.5 401.5 282.0564288550
Dimensions (US units)
DNABCDEFGHJL
ASME
14"
16"29.016.812.124.311.323.6
The fitting length (L) is always the same, regardless of the pressure rating.
All dimensions in [inch]
18"30.917.813.126.211.525.6
20"32.918.814.128.211.525.6
24"37.020.916.232.315.830.7
5.086.425.634.02
26.915.811.122.211.321.7
Endress+Hauser31
Page 32
Compact version DN ≤ 300 (12")
Esc
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A*
A
B
C
D
Proline Promag 55S
Dimensions (SI units)
DNAA*BCDEFGHKL
EN (DIN) / JIS / AS
15
253412578494120200
323412578494120200
403412578494120200
503412578494120200
6539128210994180200
8039128210994180200
10039128210994180250
125472322150140260250
150472322150140260300
200527347180156324350
250577372205166400450
300627397230166460500
The fitting length (L) is always the same, regardless of the pressure rating.
1)
Only DN 25 and DN 50 are available for flanges according to AS.
All dimensions in [mm]
1)
3412578494120200
227207187168160
A0005423
32Endress+Hauser
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Proline Promag 55S
E1
D1
110
(4.33)
Dimensions (US units)
DNAA*BCDEFGHKL
ASME
½"
1"13.410.13.313.704.727.87
1½"13.410.13.313.704.727.87
2"13.410.13.313.704.727.87
3"15.411.14.293.707.097.87
4"15.411.14.293.707.099.84
6"18.612.75.915.5110.211.8
8"20.813.77.096.1412.813.8
10"22.714.78.076.5415.817.7
12"24.715.69.066.5418.119.7
The fitting length (L) is always the same, regardless of the pressure rating.
All dimensions in [inch]
8.948.157.366.616.30
13.410.13.313.704.727.87
High temperature version DN ≤ 300 (12")
Measurement D1, E1 = Measurement D, E of the standard compact version plus 110 mm (4.33")
A0005529
Endress+Hauser33
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Compact version DN ≥ 300 (12")
L
H
E
G
F
J
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AB
A*
C
D
Proline Promag 55S
Dimensions (SI units)
DNAA*BCDEFGHJL
EN (DIN)
350
400790.5 482.5 308.0616288600
450840.5 507.5 333.0666292650
227207187168160
500891.5 533.0 358.5717292650
600995.5 585.0 410.5821402780
The fitting length (L) is always the same, regardless of the pressure rating.
All dimensions in [mm]
Dimensions (US units)
DNAA*BCDEFGHJL
ASME
14"
16"31.119.012.124.311.323.6
18"33.120.013.126.211.525.6
20"35.121.014.128.211.525.6
8.948.157.366.616.30
24"39.223.016.232.315.830.7
The fitting length (L) is always the same, regardless of the pressure rating.
All dimensions in [inch]
A0005424
738.5 456.5 282.0564288550
29.118.011.122.211.321.7
34Endress+Hauser
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Proline Promag 55S
D
D
DN £ 300 (12")
t
E
Æ
B
Æ
A
Æ
C
Æ
A
Æ
B
Æ
t
³DN 350 (14")
C
Æ
E
Æ
Ground disk for flange connections
A0003221
Dimensions (SI units)
1)
DN
EN (DIN) / JIS / AS4)PTFE, PFA, PU, HR, NR
1516–4361.573
2526–6277.587.5
3235–8087.594.5
4041–82101103
5052–101115.5108
656853121131.5118
808066131154.5135
10010491.5156186.5153
125130117187206.5160
150158143.5217256184
200206192267288205
250260245328359240
2)
300
3)
300
2)
350
2)
400
2)
450
2)
500
2)
600
1)
Ground disks at DN 15 to 250 can be used for all flange standards/nominal pressures available as standard.
2)
PN 10/16, Cl 150
3)
PN 25, JIS 10K/20K
4)
Only DN 25 and DN 50 are available for flanges according to AS.
5)
Abbreviations (lining): PU = Polyurethane, HR = Hard rubber, NRa = Natural rubber thin, NRb = Natural rubber
thick
All dimensions in [mm]
ABCDEt
5)
a
NR
5)
b
312294.5375413273
310–375404268
343323.5433479365
393371480542395
439420538583417
493469592650460
593566693766522
6.5
2
9.0
Endress+Hauser35
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Proline Promag 55S
Dimensions (US units)
1)
DN
ASMEPTFE, PFA, PU, HR, NR
½"0.63–1.692.422.87
1"1.02–2.443.053.44
1½"1.61–3.233.984.06
2"2.05–3.984.554.25
3"3.152.605.166.085.31
4"4.093.606.147.346.02
6"6.225.658.5410.087.24
8"8.117.5610.511.38.07
10"10.29.6512.914.19.45
12"12.311.614.816.310.8
14"13.512.717.118.914.4
16"15.4514.618.921.315.6
18"17.316.521.223.016.4
20"19.418.523.325.618.1
24"23.422.327.330.120.6
1)
Ground disks can be used for all pressure ratings.
2)
Abbreviations (lining): PU = Polyurethane, HR = Hard rubber, NRa = Natural rubber thin, NRb = Natural rubber
thick
All dimensions in [inch]
• South and East Asia (SEA):
English, Japanese, Indonesian
•China (CN):
English, Chinese
!
Note!
You can change the language group via the operating program "FieldCare".
Remote operationRemote operation via HART, PROFIBUS DP/PA, FOUNDATION Fieldbus
Endress+Hauser43
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Proline Promag 55S
Certificates and approvals
CE markThe measuring system described in these Operating Instructions therefore complies with the legal
requirements of the EU Directives. Endress+Hauser confirms this by affixing the CE mark to it and by
issuing the CE declaration of conformity.
C-tick symbolThe measuring system meets the EMC requirements of the "Australian Communications and Media
Authority (ACMA)".
Ex approvalInformation on the currently available Ex-rated versions (ATEX, FM, CSA etc.) is available on request
from your Endress+Hauser sales outlet. All information relevant to explosion protection is available in
separate documents that you can order as necessary.
Sanitary compatibilityNo applicable approvals or certification
Pressure equipment directiveThe measuring devices can be ordered with or without PED (Pressure Equipment Directive). If a device
with PED is required, this must be ordered explicitly. For devices with nominal diameters less than or
equal to DN 25 (1"), this is neither possible nor necessary.
• With the identification PED/G1/III on the sensor nameplate, Endress+Hauser confirms conformity
with the "Basic safety requirements" of Appendix I of the Pressure Equipment Directive 2014/68/EU.
• Devices with this identification (with PED) are suitable for the following types of fluid:
– Fluids of Group 1 and 2 with a steam pressure of greater or less than 0.5 bar (7.3 psi)
–Unstable gases
• Devices without this identification (without PED) are designed and manufactured according to good
engineering practice. They correspond to the requirements of Art.4, Section 3 of the Pressure
Equipment Directive 2014/68/EU. Their application is illustrated in Diagrams 6 to 9 in Appendix II
of the Pressure Equipment Directive 2014/68/EU.
FOUNDATION Fieldbus
certification
PROFIBUS DP/PA
certification
Other standards and
guidelines
The flow device has successfully passed all the test procedures carried out and is certified and
registered by the Fieldbus Foundation. The device thus meets all the requirements of the following
specifications:
• Certified to FOUNDATION Fieldbus Specification
• The device meets all the specifications of the FOUNDATION Fieldbus H1
• Interoperability Test Kit (ITK), revision status 5.1 (device certification number: on request)
• The device can also be operated with certified devices of other manufacturers
• Physical Layer Conformance Test of the Fieldbus Foundation
The flowmeter has successfully passed all the test procedures carried out and is certified and registered
by the PNO (PROFIBUS User Organization). The device thus meets all the requirements of the following
specifications:
• Certified in accordance with PROFIBUS Profile Version 3.0 (device certification number: available on
request)
• The measuring device can also be operated with certified devices of other manufacturers
(interoperability)
• EN 60529
Degrees of protection by housing (IP code)
• EN 61010-1
Protection Measures for Electrical Equipment for Measurement, Control,Regulation and Laboratory
Procedures
• IEC/EN 61326
"Emission in accordance with requirements for class A".
Electromagnetic compatibility (EMC requirements).
• ANSI/ISA-S82.01
Safety Standard for Electrical and Electronic Test, Measuring, Controlling and related Equipment General Requirements. Pollution degree 2, Installation Category II.
• CAN/CSA-C22.2 (No. 1010.1-92)
Safety requirements for Electrical Equipment for Measurement and Control and Laboratory Use.
Pollution degree 2, Installation Category I.
44Endress+Hauser
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Proline Promag 55S
!
!
•NAMUR NE 21
Electromagnetic compatibility (EMC) of industrial process and laboratory control equipment.
•NAMUR NE 43
Standardization of the signal level for the breakdown information of digital transmitters with analog
output signal.
•NAMUR NE 53
Software of field devices and signal-processing devices with digital electronics.
Ordering information
Note!
Endress+Hauser reserves the right to change or modify product, specifications, and ordering
information at any time without notice. Please consult Endress+Hauser or your local representative for
the most recent information.
Accessories
Various accessories are available for the transmitter and the sensor. These can be ordered separately
from Endress+Hauser.
Note!
For detailed information on specific order codes, please contact the Endress+Hauser service
organization.