SUTO S452 Manuel
English
Instruction and Operation Manual
S452
Thermal Mass Flow Meter
for Heavy Duty and x Applications (Inline)
Dear Customer,
Thank you for choosing our product.
Please read the operating instructions in full and carefully observe them
before starting up the device. The manufacturer cannot be held liable
for any damage which occurs as a result of non-observance or non-
compliance with this manual.
Should the device be tampered with in any manner other than a
procedure which is described and specified in the manual, the warranty
is void and the manufacturer is e empt from liability.
The device is designed e clusively for the described application.
SUTO offers no guarantee for the suitability for any other purpose.
SUTO is also not liable for consequential damage resulting from the
delivery, capability or use of this device.
2 S452
Table of Contents
1 Safety instructions......................................................................4
2 Registered trademarks.................................................................6
3 Application.................................................................................7
4 Features....................................................................................7
5 Technical data............................................................................8
5.1 General data.........................................................................8
5.2 Electrical data.......................................................................9
5.3 Output signals......................................................................9
5.4 Accuracy .............................................................................9
5.5 Flow ranges..........................................................................9
6 Dimensional drawing.................................................................11
6.1 Thread type........................................................................11
6.2 Flange type.........................................................................12
7 Determining the installation point................................................14
7.1 Additional inlet and outlet sections.........................................15
8 Installation ..............................................................................16
8.1 Installing the S452..............................................................16
8.2 Removing the S452 ............................................................17
8.3 Re-installation after maintenance..........................................17
8.4 Electrical connection ..........................................................18
8.4.1 Connection diagram.......................................................18
8.4.2 Pin assignment..............................................................18
9 Signal outputs..........................................................................20
9.1 Analog and pulse outputs ....................................................20
9.1.1 Analog output...............................................................20
9.1.2 Pulse output..................................................................20
9.2 HART output ......................................................................22
9.3 Modbus Interface ................................................................22
9.4 M-Bus output .....................................................................24
10 Configuration..........................................................................24
11 Optional accessories................................................................26
11.1 Sensor display...................................................................26
11.2 Service kit........................................................................26
12 Calibration..............................................................................27
13 Maintenance...........................................................................27
14 Disposal or waste....................................................................27
S452 3
1 Safety instructions
1 Safety instructions
Please check if this instruction manual matches the
product type.
Please observe all notes and instructions indicated in this
manual. It contains essential information which must be
observed before and during installation, operation and
maintenance. Therefore this instruction manual must be read carefully
by the technician as well as by the responsible user or qualified
personnel.
This instruction manual must be available at the operation site of the
flow sensor at any time. In case of any obscurities or questions,
regarding this manual or the product, please contact the manufacturer.
WARNING!
Compressed air!
Any contact with quickly escaping air or bursting
parts of the compressed air system can lead to
serious injuries or even death!
•Do not e ceed the ma imum permitted pressure range (see
sensors label).
•Only use pressure tight installation material.
•Avoid that persons get hit by escaping air or bursting parts of the
instrument.
•The system must be pressureless during maintenance work.
WARNING!
Voltage used for supply!
Any contact with energized parts of the product, may
lead to a electrical shock which can lead to serious
injuries or even death!
•Consider all regulations for electrical installations.
•The system must be disconnected from any power supply during
maintenance work.
•Any electrical work on the system is only allowed by authorized
qualified personal.
4 S452
1 Safety instructions
ATT NTION!
Permitted operating parameters!
Observe the permitted operating parameters, any
operation exceeding this parameters can lead to
malfunctions and may lead to damage on the
instrument or the system.
•Do not e ceed the permitted operating parameters.
•Make sure the product is operated in its permitted limitations.
•Do not e ceed or undercut the permitted storage and operation
temperature and pressure.
•The product should be maintained and calibrated frequently, at
least annually.
General safety instructions
•It is allowed to use the product in e plosive areas. Please contact
the manufacturer.
•Please observe the national regulations before/during installation
and operation.
Remarks
•It is not allowed to disassemble the product.
•Always use spanner to mount the product properly.
ATT NTION!
Measurement values can be affected by malfunction!
The product must be installed properly and
frequently maintained, otherwise it may lead to
wrong measurement values, which can lead to
wrong results.
•Always observe the direction of the flow when installing the
sensor. The direction is indicated on the housing.
•Do not e ceed the ma imum operation temperature at the sensors
tip.
•Avoid condensation on the sensor tip as this will affect the
accuracy enormously.
S452 5
1 Safety instructions
Storage and transportation
•Make sure that the transportation temperature of the sensor
without display is between -30 ... +70°C and with display between
-10 ... +60°C.
•For transportation it is recommended to use the packaging which
comes with the sensor.
•Please make sure that the storage temperature of the sensor is
between -10 ... +50°C.
•Avoid direct UV and solar radiation during storage.
•For the storage the humidity must be <90% with no condensation.
2 Registered trademarks
SUTO®Registered trademark of SUTO iTEC
MODBUS®Registered trademark of the Modbus Organization,
Hopkinton, USA
HART®Registered trademark of the HART Communication
Foundation, Austin, USA
Android™,
Google Play
Registered trademarks of Google LLC
6 S452
3 Application
3 Application
The S452 Thermal Mass Flow Meter is designed for the e plosive areas
and is mainly used to measure compressed air and process gases in
industrial environments.
The S452 can measure the following parameters for the compressed air
or gases:
•Velocity
•Volume flow
•Total consumption
The default factory settings are: Velocity in m/s, Volume flow in m3/h
and Total Consumption in m3. Other units can be programmed by the
optional display or the service kit.
4 Features
•Direct measurement of mass flow and standard flow without the
need of pressure and temperature compensation.
•In-line types for smaller pipes.
•No moving parts, no clogging.
•All sensor parts which come into contact with the measurement
medium are made of stainless steel 316L.
•Robust metal enclosure suitable for outdoor applications in harsh
environments.
•Wireless Bluetooth interface for sensor settings onsite
•Optional display on the sensor, showing flow rate, consumption,
medium temperature and diagnostic result.
S452 7
5 Technical data
5 Technical data
5.1 General data
Measuring range 0.4 ... 92.7 sm/s (standard range calibration)
0.8 ... 185 sm/s (ma range calibration)
1.0 … 224 sm/s (high speed calibration)
(See section Flow ranges for flow measurement
ranges in different tube diameters)
* sm/s: standard meter per second
Parameters Standard unit flow: m3/h
Available units: m3/min, l/min, l/s, cfm, kg/h,
kg/min, kg/s
Standard velocity unit: m/s
Reference conditions ISO1217, 20°C, 1000 mbar (Standard-Unit)
DIN1343, 0°C, 1013.25 mbar (Norm-Unit)
Principle of
measurement
Thermal mass flow
Sensor PT20 / PT1000
Measured medium Air, gas (non corrosive gas)
Operating temperature -40 ... +100°C (medium temperature)
-40 ... +65°C (ambient temperature)
Humidity of the
measured medium
< 90%, no condensation
Operating pressure 0 ... 4.0 MPa
Housing material Al alloy
Material of the probe
tube, sensor head and
the screwing
Stainless steel 1.4404 (SUS 316L)
Protection class IP67
Dimensions See Chapter Dimensional drawing.
Display (optional) Graphic display, 128 64
Tube diameter DN15 ... DN80
Screwing thread M32 1.5
8 S452
5 Technical data
Weight 1.25 kg (instrument only, and the measuring
section is not included)
5.2 lectrical data
Power supply 16 ... 30 VDC, 5 W
5.3 Output signals
Analog output See section 9.1.1
Pulse output See section 9.1.2
HART output See section 9.2
Modbus output See section 9.3
M-Bus output See section 9.4
5.4 Accuracy
Accuracy* ±(1.5% of reading + 0.3% full scale)
Stated accuracy at: Ambient/process temperature +23°C ±3°C
Ambient/process humidity <90%, no
condensation
Process pressure at 0.6 MPa
Repeatability 0.25% of reading
* The specified accuracy is valid only within the minimum and ma imum
flow rates that are stated in Section 5.5.
5.5 Flow ranges
The stated flow ranges are valid under the following conditions:
Standard flow in air; Reference pressure: 1000 hPa; Reference
Temperature: +20°C
Inch DN S-Range (m3/h) M-Range (m3/h) HS-Range (m3/h)
½” DN15 0.2 ... 45.6 0.4 ... 91.0 0.48 ... 110
¾” DN20 0.4 ... 89.1 0.9 ... 178 1.09 ... 215
1” DN25 0.6 ... 148 1.2 ... 295 1.82 ... 357
1½” DN40 1.5 ... 367 2.9 ... 732 4.36 ... 886
2” DN50 2.4 ... 600 4.8 ... 1,198 7.26 ... 1,450
2½” DN65 4.1 ... 1,027 8.2 ... 2,049 --
3” DN80 5.7 ... 1,424 11.4 ... 2,841 --
S452 9
5 Technical data
Remarks:
•To calculate flow ranges based on pipe and reference conditions in
your site, download and install the "Flow range calculator" tool for
free from http://www.suto-itec.com.
•To fast access the tool download page, enter "flowrange" (without
spaces) in the search field and click the search result.
•The total consumption value is saved to the permanent memory
every 5 minutes. If within these 5 minutes the device is powered
off, it will restore the last consumption value which was saved in
the last cycle.
10 S452
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