SUTO S 430 Manual

English

Instruction and operation manual

S 430

Pitot tube flow sensor

Dear Customer,

thank you for choosing our product.

The operating instructions must be read in full and carefully observed

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 cancelled and the manufacturer is exempt from liability.

The device is destined exclusively for the described application.

S TO offers no guarantee for the suitability for any other purpose.

S TO is also not liable for consequential damage resulting from the

delivery, capability or use of this device.

2 S 430

1. Safety instructions

Table of contents

1. Safety instructions.......................................................................4

2. Application.................................................................................6

3. Features.....................................................................................7

4. Technical Data............................................................................8

4.1 General.................................................................................8

4.2 Electrical Data........................................................................9

4.3 Output-Signals.......................................................................9

4.4 Accuracy ..............................................................................9

5. Dimensional drawing..................................................................12

6. Determination of the installation point..........................................13

7. Inlet and Outlet section..............................................................15

8. Sensor Installation ....................................................................16

8.1 Installation Requirements......................................................16

8.2 Installation Procedure ...........................................................16

8.3 Electrical connection ............................................................19

9. Sensor signal outputs.................................................................21

9.1 Analog output......................................................................21

9.2 Pulse output.........................................................................21

9.3 Pulse Connection Diagram......................................................23

9.4 Modbus output ....................................................................23

9.5 M-Bus output ......................................................................24

10. Sensor display (option).............................................................25

10.1 Starting process..................................................................25

10.2 Configuration using the display.............................................26

11. Calibration..............................................................................27

12. Maintenance............................................................................27

13. Disposal or waste.....................................................................27

14. Warranty................................................................................27

Appendix......................................................................................29

S 430 3

1. Safety instructions

Please check if this instruction manual accords to the

product type.

Please observe all notes and instructions indicated in this

manual. It contains essential information which have to be

observed before and during installation, operation and

maintenance. Therefore this instruction manual has to be read carefully

by the technician as well as by the responsible user / qualified

personnel.

This instruction manual has to 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.

WA NING!

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 exceed the maximum permitted pressure range (see

sensors label).

•Only use pressure tight installation material.

•Avoid that persons get hit escaping air or bursting parts of the

instrument.

•The system must be pressureless during maintenance work.

WA NING!

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 S 430

1. Safety instructions

WA NING!

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 exceed the permitted operating parameters.

•Make sure the product is operated in its permitted limitations.

•Do not exceed 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 not allowed to use the product in explosive areas.

•Please observe the national regulations before/during installation

and operation.

emarks

•It is not allowed to disassemble the product.

•Always use spanner to mount the product properly.

ATTENTION!

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 exceed the maximum operation temperature at the sensors

tip.

•Avoid condensation on the sensor element as this will affect the

accuracy enormously.

S 430 5

1. Safety instructions

Storage and transportation

•Make sure that the transportation temperature of the sensor

without display is between -30°C... 70°C and with display between

-10°C... 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°C... 50°C.

•Avoid direct V and solar radiation during storage.

•For the storage the humidity has to be <90%, no condensation.

2. Application

The S 430 is a flow sensor which is designed to measure the

consumption of compressed air and gases in wet air or high mass flow /

velocity applications. The sensor can measure in wet and dirty gases as

occurring, for example, at the outlet of a compressor.

The S 430 can measure the following values:

•Velocity of the compressed air or gas.

•Volume flow of the compressed air or gas.

•Total consumption of the compressed air or gas.

•Pressure and Temperature of the compressed air or gas.

The default factory settings are: Velocity in m/s, Volume flow in m3/h

and Total Consumption in m3, pressure in bar, temperature in °C. Other

units can be programmed by the optional display or the service kit.

The S 430 flow sensor is not developed to be used in explosive areas.

For the use in explosive areas please contact the manufacturer.

The S 430 flow sensor is mainly used in compressed air systems in

industrial environment.

6 S 430

3. Features

•Flow and consumption measurement in wet air or high mass flow /

velocity applications.

•Measurement at compressor outlet possible.

•Insertion type flow sensor for easy installations under pressure

through a ball valve.

•High temperature application up to 200°C.

•Tube diameters from 1” up to 10”, larger diameters on request.

•No mechanical wear parts.

•All parts which are in contact with the medium are made of

stainless steel.

•Optional display directly on the sensor, showing velocity, volume

flow and consumption, temperature, pressure.

S 430 7

4. Technical Data

4.1 General

Parameters Standard unit flow: m3/h

other units: m3/min, l/min, cfm, kg/h,

kg/min, kg/s

Standard unit velocity: m/s

Standard unit temperature: °C

Standard unit pressure: bar

Reference conditions ISO1217 20°C 1000 mbar (Standard- nit)

DIN1343 0°C 1013,25 mbar (Norm- nit)

Principle of measurement Pitot tube

Sensor Differential pressure sensor

Measuring medium Air, gas (non corrosive gas), steam

Operating temperature -40… 200°C probe tube

-30… 70°C housing

0… 50°C display (optional)

Humidity of the meas.

medium

< 90%, no condensation

Operating pressure 0... 1.6 MPa

Housing material PC + ABS

Material of the probe

tube, sensor head and

the screwing

Stainless steel 1.4404

Protection class IP65

Dimensions See dimensional drawing on chapter 5

Display (optional) 2.4” colour graphics display with keypad

(optional)

Tube diameter 1” to 10” (bigger diameters on request)

Screwing thread G1/2” (ISO 228/1)

Weight 1.10 kg

8 S 430

4. Technical Data

4.2 Electrical Data

Power supply 24 VDC, 150 mA

4.3 Output-Signals

Analog output Signal: 4... 20 mA

Scaling: 0 to max. volume flow / velocity

Accuracy: 0.06 mA

Pulse output 1 pulse per m3, isolated switch, max. 30

VDC, 200 mA (active signal)

(pulse length: 30… 120 ms, depends on flow

rate)

Modbus output

(default setting)

See chapter 9.4

M-Bus output

(default setting)

See chapter 9.5

4.4 Accuracy

Accuracy Flow: ±(1.5% of reading+0.3% full scale)

Pressure: 0.5% FS

Temperature: 0.5°C

Stated accuracy at Ambient/process temperature 23°C ± 3°C

Ambient/process humidity <90%

Process pressure at 0.6 MPa

Working range:

Flow range for air at 6 barg, 50°C and 90% humidity. For other gas and

condition please see appendix or download flow range software from the

homepage of the manufacturer.

S 430 9

4. Technical Data

Cut-off flow of S 430 is pressure depending. Following chart shows the

relationship at tube of 100 mm, 50°C and 90% humidity. For other tube

and conditions please download “Flow range” software from the

homepage of the manufacturer.

10 S 430

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