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SUTO S418 Compact Flow Sensor for Compressed Air and Gases

The S418 Compact Flow Sensor provides compressed air flow and gas monitoring directly where it is needed. The seamless integration into a compressed air and gas system makes it an affordable and easy to install flow measurement solution.

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Made in Germany. brand SUTO, model S418

Fast delivery to Latvia, Estonia and Lithuania. International delivery to Europe, Asia, Africa and other continents available on request
Our warehouse is located in Riga, Latvia.

Retail price from 880 €

Available

Available

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Advantages

Official distributor in Latvia

Time-tested American, European and Asian brands of control and measurent instruments

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Special price list for organisations

We offer a significant discount for trade organisations and manufacturing companies

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Worldwide shipping on request

We take care of all logistics and customs clearance. Fast delivery to Baltic countries

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After-sales service and support

Warranty service and repair, expert assistance in the operation of the instruments

Description of SUTO S418

The compact S418 flow meter provides accurate measurement of compressed air and gas consumption and costs directly at the point of use, helping to improve system efficiency and keep operating costs under control. Thanks to its seamless integration into existing piping, the device is easy to install and ready for immediate use. Settings can be managed and current readings monitored remotely via the free S4C-FS mobile app: the wireless interface allows changes to be made directly on-site without interrupting the process or accessing the control panel.

Thermal mass flow technology makes the device virtually immune to fluctuations in pressure and ambient temperature, ensuring stable measurement accuracy without the need for additional compensation sensors. The device records flow rate, consumption, pressure, and temperature in a single housing, allowing the potential for optimizing the compressor network to be identified quickly and clearly.

All collected data is automatically recorded in the built-in data logger. If necessary, the measurement history can be exported via the Modbus interface to third-party analytics systems—this enables the creation of detailed reports, tracking of long-term trends, rapid identification of consumption anomalies, and the discovery of new opportunities for cost reduction.

Application

  • Compressed air and gas consumption and flow measurement at point of use
  • Accurate consumption and cost monitoring of gas supplies and consumers

Features

  • Efficient monitoring for compressed air and gases
  • Economic flow and consumption metering at low investments
  • No straight inlet section needed, due to flow conditioner
  • Installation and configuration through smartphone app
  • Integrated data logger for measurement recordings
  • Accuracy of 1.5% o.RDG, measuring volume 100: 1
  • Isolated 4… 20 mA & Pulse; Modbus/ RTU; M-Bus
  • G inner thread connection: DN8, DN15, DN20, DN25, DN32, DN40 or DN50

Video SUTO S418

The video provides an overview of the application and capabilities of a compact, built-in flow meter for measuring compressed air and other gases.

Technical specifications of SUTO S418

MEASUREMENT
Flow
Accuracy 1.5 % o.RDG ±0.3 % FS
Selectable units l/min, cfm, kg/h, m3/h
Measuring range see table on the previous page
Repeatability 0.5 % o.RDG
Sensor Thermal mass flow sensor
Sampling rate 10/sec
Turndown ratio 100:1
Response time (t90) 0.5 sec
Consumption
Selectable units m³, ft³, l, kg
Pressure
Accuracy 0.5 % FS
Selectable units bar, psi
Measuring range 0 … 16 bar(g)
Sensor Piezo resistive sensor
Reference conditions
Selectable conditions 20 °C 1000 mbar (ISO1217),
0 °C 1013 mbar (DIN1343)
freely adjustable
SIGNAL INTERFACE & SUPPLY
Analog output
Signal 4 … 20 mA (4-wire), isolated
Scaling 0 … max flow
Load Max 250 Ω freely adjustable
Update rate 3/sec
Pulse output
Signal Switch output, normally open, max 30 VDC, 200 mA
Scaling 1 pulse per consumption unit
Fieldbus
Protocol Modbus/RTU
Supply
Voltage supply 15 … 30 VDC
Current consumption 120 mA @ 24 VDC
Data interface
Connection USB micro
GENERAL DATA
Configuration
Wireless S4C-FS App for mobile phones
PC Software S4A PC software for download and data analyzes
Display
Integrated 4 digit LED
Data Logger
Storage 8 Mio. values
Material
Process connection Aluminum alloy or Stainless steel SUS316L/1.4404
Housing PC + ABS
Sensor Ceramic, glass coated
Metal parts Aluminum alloy or Stainless steel SUS316L/1.4404
Miscellaneous
Electrical connection 2 x M8 (4 pole)
Protection class IP54
Approvals CE, RoHS, FCC
Process connection G-thread
Weight 0.45 … 1.3 kg (depends on model)
Operating conditions
Medium Air, N2, O2, CO2 and other gases
Medium quality ISO 8573: 4.4.3 or better
Medium temperature 0 … 50 °C
Medium humidity < 90 % rH, no condensation
Operating pressure 0 … 16 bar(g)
Ambient temperature 0 … 50 °C
Ambient humidity < 95 % rH
Storage temperature -30 … 70 °C
Transport temperature -30 … 70 °C
Pipe sizes DN8, DN15, DN20, DN25, DN32, DN40, DN50
Expand Table

 

MEASURING RANGES
Process connection DN8 DN15 DN20 DN25 DN32 DN40 DN50
Standard range (S) 250 1000 2000 3500 6000 10000 14000
Low range (L) 50 200 400 700 1200 2000 2800
Expand Table

Prices for SUTO S418

Model Description Price
S695 4180 S418 Compact Thermal Mass Flow Meter (Pro-Inline), DN8, data logger 880
S695 4181 S418 Compact Thermal Mass Flow Meter (Pro-Inline), DN15, data logger 900
S695 4182 S418 Compact Thermal Mass Flow Meter (Pro-Inline), DN20, data logger 910
S695 4183 S418 Compact Thermal Mass Flow Meter (Pro-Inline), DN25, data logger 930
S695 4184 S418 Compact Thermal Mass Flow Meter (Pro-Inline), DN32, data logger 1010
S695 4197 S418 CoMPact Thermal Mass Flow Meter Aluminium (Pro-Inline), DN40, data logger 1190
S695 4198 S418 CoMPact Thermal Mass Flow Meter Aluminium (Pro-Inline), DN50, data logger 1250
S695 4185 S418 Compact Thermal Mass Flow Meter (Pro-Inline), DN8-P, with integrated pressure sensor, data logger 1040
S695 4186 S418 Compact Thermal Mass Flow Meter (Pro-Inline), DN15-P, with integrated pressure sensor, data logger 1060
S695 4187 S418 Compact Thermal Mass Flow Meter (Pro-Inline), DN20-P, with integrated pressure sensor, data logger 1070
S695 4188 S418 Compact Thermal Mass Flow Meter (Pro-Inline), DN25-P, with integrated pressure sensor, data logger 1080
S695 4189 S418 Compact Thermal Mass Flow Meter (Pro-Inline), DN32-P, with integrated pressure sensor, data logger 1150
S695 4199 S418 CoMPact Thermal Mass Flow Meter Aluminium (Pro-Inline), DN40-P, with integrated pressure sensor, data logger 1340
S695 4209 S418 CoMPact Thermal Mass Flow Meter Aluminium (Pro-Inline), DN50-P, with integrated pressure sensor, data logger 1400
S695 0418 S418 CoMPact Thermal Mass Flow Meter Stainless Steel (Pro-Inline), DN8, data logger 1070
S695 1418 S418 CoMPact Thermal Mass Flow Meter Stainless Steel (Pro-Inline), DN15, data logger 1090
S695 2418 S418 CoMPact Thermal Mass Flow Meter Stainless Steel (Pro-Inline), DN20, data logger 1100
S695 3418 S418 CoMPact Thermal Mass Flow Meter Stainless Steel (Pro-Inline), DN25, data logger 1120
S695 4418 S418 CoMPact Thermal Mass Flow Meter Stainless Steel (Pro-Inline), DN8-P, with integrated pressure sensor 16 bar(g), data logger 1230
S695 5418 S418 CoMPact Thermal Mass Flow Meter Stainless Steel (Pro-Inline), DN15-P, with integrated pressure sensor 16 bar(g), data logger 1250
S695 6418 S418 CoMPact Thermal Mass Flow Meter Stainless Steel (Pro-Inline), DN20-P, with integrated pressure sensor 16 bar(g), data logger 1260
S695 7418 S418 CoMPact Thermal Mass Flow Meter Stainless Steel (Pro-Inline), DN25-P, with integrated pressure sensor 16 bar(g), data logger 1280
A1003 Option: Flow Medium: No 2nd Gas On request
A1007 Option: Flow medium Air On request
A1008 Option: Flow medium CO2 On request
A1009 Option: Flow medium O2 (cleaning for oil and grease-free) 81
A1010 Option: Flow medium N2 On request
A1011 Option: Flow medium N2O On request
A1012 Option: Flow medium Argon On request
A1013 Option: Flow medium Natural Gas On request
A1014 Option: Flow medium H2 (For real gas calibration. Please consult manufacturer for this option in advance) 360
A1015 Option: Other gas (specify gas or gas mix) On request
A1016 Option: Flow medium He (real gas calibration) 490
A1017 Option: Flow medium Propane C3H8 On request
A1041 Option, flow medium O2, Ar, CO2 (real gas calibration). Please specify flow medium! 360
A1042 Option: Flow medium CH4, NG, N2O (real gas calibration, please consult with manufacturer for this option in advance) 420
A1453 S415/S418: Low range On request
A1455 S418/S418-V: 4 … 20 mA + pulse output 100
A1456 S418/S418-V: Modbus/RTU output 80
A1457 S418/S418-V: M-Bus digital output 100
A1459 S418/S418-V: Imperial units instead of SL units On request
A1461 S418/S418-V: Reverse display direction On request
A1463 S418/S418-V: Standard display direction (left to right) On request
A1465 S418/S418-V: Standard range version On request
A1467 S418/S418-V: With SI units On request
A553 0128 S415/S418: Sensor cable 2m with M8 connector, 4-pole, straight type with open wires on one end 30
A553 0136 Sensor cable 5m with M8 connector, 4-pole, straight type with open wires on one end 30
A553 0137 Connection cable to S551, M8/ODU, 5 m, only for S415, S418 and S418-V Modbus 40
A553 0161 M8 female to M12 male converter cable for T-Splitter 30
A553 0171 Cable to connect power bank, 1.8 m, USB-C connector for power bank, M8 connector 40
A554 0109 Mains power supply 100-240 VAC / 24 VDC, 0.5 A, 2m power cable with M8 connector 80
A554 3310 RS-485 splitter T, with 3 x M12 connectors to connect RS-485 devices to a bus 70
C219 0206 M8 connector, 4-pole, straight, soldering type 20
M599 7020 S4A Data Analysis Software On request
Expand Table

Accessories

Model Description Price, €
C190 0605A Thread Adapter for S415/418, G1/4“ inner thread to NPT1/4“ inner thread 20
C190 0605B Thread Adapter for S415/S418, G1/2″ inner thread to NPT1/2″ inner thread 20
C190 0605C Thread Adapter for S415/S418, G3/4″ inner thread to NPT3/4″ inner thread 20
C190 0605D Thread Adapter for S415/S418, G1″ inner thread to NPT1″ inner thread 30
C190 0605E Thread Adapter for S415/S418, G1-1/4″ inner thread to NPT1-1/4″ inner thread 40
C190 0605F Thread Adapter for S415/S418, G1-1/2″ inner thread to NPT1-1/2″ inner thread 60
C190 0605G Thread Adapter for S415/S418, G2″ inner thread to NPT2″ inner thread 90
Expand Table

User Guide and Instruction manual for SUTO S418

You can request the necessary certificates, documentation, instructions and user guide for SUTO S418 using the special form.

You can buy SUTO S418 in Latvia at a price starting from 880 € in «OLIL SIA» by leaving a request on the website, by phone +371 672 70580 or by email . SUTO S418 price are subject to change depending on exchange rates. We deliver instruments by transport companies in Latvia, Estonia and Lithuania. Worldwide shipping to Europe, Asia, Africa, North and South America available on request.

See also: Flow meters