The SUTO S401 Insertion type, Compressed Air Flow Meter offers an easy to use and affordable compressed air and gas monitoring solution. Due to the wide measurement range and high reliability, the flow meter can be used in various applications.
Made in Germany. brand SUTO, model S401
International delivery to United Arab Emirates, Kuwait, Qatar, Saudi Arabia, Saudi Arabia, Bahrain, Oman and other Middle Eastern countries.
Our warehouses are located in UAE. Delivery to other countries (Europe, North and South America, Asia, Africa) is discussed individually.
Retail price from $2 123
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Due to thermal mass flow measurement, the flow meter is well suited for use with various gases such as nitrogen or many other technical gases. The S401 sensor technology provides high resolution and a high sampling rate, resulting in fast and accurate measurement. The flow meter is capable of storing two calibration curves, allowing the sensor to be used with two different gases without loss of accuracy.
The optional color display is designed to show all measured values, such as actual flow rate and total consumption. At the same time, the display can be used to adjust sensor settings, such as pipe diameter, gas type, or output parameters.
The S401 flow meter offers two signal output options. It can be equipped with an isolated analog and pulse output for reading compressed air flow rate and total compressed air consumption. Alternatively, a Modbus/RTU interface can be used to access all measured values via a digital interface.
The SUTO S401 insertion type flow meter is an easy-to-use and cost-effective solution for compressed air and gas monitoring. Thanks to its wide measuring range and high reliability, the device is suitable for a variety of industrial applications. Due to the thermal mass flow principle, the device does not require pressure and temperature compensation of the compressed air. This means that no additional pressure and temperature sensors are needed for standard flow and consumption measurement – simplifying installation and reducing system cost.
Because the flow meter can be easily installed through a standard ball valve, it can also be easily removed for calibration without shutting down the compressed air system. Device parameters – gas type, flow units, reference conditions (ISO1217 / DIN1343) – can be preset ex-factory according to your requirements. This provides a sensor ready for operation without additional on-site configuration. If on-site settings need to be changed, you can use the free S4C-FS mobile app. The app allows you to wirelessly change sensor settings on site and view live readings directly from your smartphone. This enables you to adjust settings wirelessly on site with a single touch on your smartphone. For any special requirements, such as non-standard flow ranges or different gas types, please contact us.
The flow meter can be easily connected to SUTO data loggers (e.g., S331), third-party PLCs, and monitoring systems. Digital interfaces enable direct integration into energy management and analysis software.
Application
Features
| MEASUREMENT | |
| Flow | |
| Accuracy | 1.5 % of reading ± 0.3 % FS (optional 1 % of reading) |
| Selectable units | m3/h, m3/min, l/min, l/s, cfm, kg/h, kg/min, kg/s |
| Repeatability | 0.25 % of reading |
| Sensor | Thermal mass flow sensor |
| Sampling rate | 10 samples / sec |
| Turndown ratio | 200:1 |
| Response time (t90) | 0.1 sec |
| Consumption | |
| Selectable units | m3, ft3, l |
| 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, freely adjustable |
| Load | max. 250 Ohm |
| Update rate | Value updated ever 1 sec |
| Pulse output | |
| Signal | Switch output, normally open, max. 30 VDC, 20 mA |
| Scaling | 1 pulse per consumption unit (selectable) |
| Fieldbus | |
| Protocol | Modbus/RTU, Modbus/TCP |
| Update rate | Value updated ever 1 sec |
| Supply | |
| Voltage supply | 15 … 30 VDC |
| Current consumption | max. 200 mA |
| GENERAL DATA | |
| Configuration | |
| Wireless | S4C-FS App for mobile phones |
| PC Software | USB Service Kit + Software |
| Others | Display with 2 touch buttons |
| Display | |
| Integrated | 2.4” color graphic display with 3 touch buttons |
| Material | |
| Process connection | Stainless steel 1.4404 (SUS 316L) |
| Housing | PC + ABS |
| Sensor | Ceramic, glass coated |
| Metal parts | Stainless steel 1.4404 (SUS 316L) |
| Miscellaneous | |
| Electrical connection | 2 x M12 (5 pole); 1 x M12 (8-pole x-coded) for TCP |
| Protection class | IP65 |
| Approvals | CE, RoHS, FCC |
| Process connection | G1/2″ (ISO 228/1) |
| Weight | 0.9 kg |
| Operating conditions | |
| Medium | Air, N2, O2, CO2 and other gases |
| Medium quality | ISO 8573: 4.4.3 or better |
| Medium temperature | -30 … +140 °C |
| Medium humidity | < 90 % rH, no condensation |
| Operating pressure | max. 5.0 MPa (> 1.6 MPa need installation device) |
| Ambient temperature | -30 … +70 °C, -10 … +50 °C (with display) |
| Ambient humidity | < 99 % rH |
| Storage temperature | -30 … +70 °C |
| Transport temperature | -30 … +70 °C |
| Pipe sizes | S401: ½” … 12” (bigger pipes on request) S421: ½” … 3” |
| VOLUMETRIC FLOW RANGES | ||||||
| Pipe Specifications | S401 | S421 | ||||
| Anschlussgewinde | DN | DI (mm) | S401-S (m3/h) | S401-M (m3/h) | S401-H (m3/h) | Measuring range from to |
| ½” | DN15 | – | – | 0.5 … 90 m3/h | ||
| ¾” | DN20 | – | – | 0.9 … 170 m3/h | ||
| 1” | DN25 | 27.3 | 0.5 … 147.7 | 0.6 … 294.7 | 0.6 … 356.9 | 1.5 … 290 m3/h |
| 1¼” | DN32 | 36.0 | 0.9 … 266.3 | 1.2 … 531.5 | 1.2 … 643.5 | 2 … 500 m3/h |
| 1½” | DN40 | 41.9 | 1.2 … 366.7 | 1.5 … 731.9 | 1.5 … 886.2 | 3 … 700 m3/h |
| 2” | DN50 | 53.1 | 2.0 … 600.1 | 2.5 … 1197.6 | 3.0 … 1450.0 | 4 … 1000 m3/h |
| 2½” | DN65 | 68.9 | 3.5 … 1026.5 | 5.0 … 2048.6 | 5.0 … 2480.4 | 6 … 1500 m3/h |
| 3” | DN80 | 80.9 | 5.0 … 1424.4 | 7.0 … 2842.7 | 7.0 … 3441.9 | 8 … 2500 m3/h |
| 4” | DN100 | 100.0 | 10 … 2183.3 | 12 … 4357.2 | 12.0 … 5275.7 | |
| 5” | DN125 | 125.0 | 13 … 3419.6 | 18 … 6824.4 | 18.0 … 8263.1 | |
| 6” | DN150 | 150.0 | 18 … 4930.1 | 25 … 9838.9 | 25.0 … 11913.1 | |
| 8” | DN200 | 200.0 | 26 … 8785.6 | 33 … 17533.3 | 42.0 … 21229.5 | |
| 10” | DN250 | 250.0 | 40 … 13743.9 | 52 … 27428.5 | 60.0 … 33210.7 | |
| 12” | DN300 | 300.0 | 60 … 19814.8 | 80 … 39544.1 | 100.0 … 47880.4 | |
| Model | Description | Availability | Price | Qty | Buy |
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| S695 4100 | S401 Thermal Mass Flow Meter (Insertion), 220 mm shaft | Delivery time from 12 weeks | from 2 134$ |
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| S695 4101 | S401 Thermal Mass Flow Meter (Insertion), 300 mm shaft | Delivery time from 12 weeks | from 2 227$ |
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| S695 4102 | S401 Thermal Mass Flow Meter (Insertion), 400 mm shaft | Delivery time from 12 weeks | from 2 227$ |
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| S695 4103 | S401 Thermal Mass Flow Meter (Insertion), 160 mm shaft | Delivery time from 12 weeks | from 2 123$ |
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| A1003 | Option: Flow Medium: No 2nd Gas | Delivery time from 12 weeks | On request |
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| A1007 | Option: Flow medium Air | Delivery time from 12 weeks | On request |
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| A1008 | Option: Flow medium CO2 | Delivery time from 12 weeks | On request |
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| A1009 | Option: Flow medium O2 (cleaning for oil and grease-free) | Delivery time from 12 weeks | from 94$ |
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| A1010 | Option: Flow medium N2 | Delivery time from 12 weeks | On request |
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| A1011 | Option: Flow medium N2O | Delivery time from 12 weeks | On request |
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| A1012 | Option: Flow medium Argon | Delivery time from 12 weeks | On request |
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| A1013 | Option: Flow medium Natural Gas | Delivery time from 12 weeks | On request |
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| A1014 | Option: Flow medium H2 (For real gas calibration. Please consult manufacturer for this option in advance) | Delivery time from 12 weeks | from 418$ |
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| A1015 | Option: Other gas (specify gas or gas mix) | Delivery time from 12 weeks | On request |
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| A1016 | Option: Flow medium He (real gas calibration) | Delivery time from 12 weeks | from 568$ |
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| A1017 | Option: Flow medium Propane C3H8 | Delivery time from 12 weeks | On request |
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| A1401 | S401: Max range | Delivery time from 12 weeks | from 394$ |
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| A1402 | S401: High speed range | Delivery time from 12 weeks | from 464$ |
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| A1403 | S401/S421: Low range (1/3 of standard range) | Delivery time from 12 weeks | On request |
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| A1404 | S401/S421: High accuracy calibration (1%±0.3 % F.S.) | Delivery time from 12 weeks | from 255$ |
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| A1405 | S401: Bi-directional calibration | Delivery time from 12 weeks | from 441$ |
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| A530 1105 | S401: High pressure installation device - 220 mm | Delivery time from 12 weeks | from 406$ |
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| A530 1111 | S401: High pressure installation device - 400 mm | Delivery time from 12 weeks | from 452$ |
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| A553 0104 | Sensor cable 5m with M12 connector, open wires, AWG24 (0.2 mm2) | Delivery time from 12 weeks | from 35$ |
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| A553 0105 | Sensor cable 10m with M12 connector, open wires, AWG24 (0.2 mm2) | Delivery time from 12 weeks | from 58$ |
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| A553 0154 | Cable to connect power bank, 1.8 m, USB-C connector for power bank, M12 connector | Delivery time from 12 weeks | from 23$ |
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| A553 0146 | Sensor cable 5m with M12 and RJ45 connectors, PoE supported, AWG24 (0.2 mm2) | Delivery time from 12 weeks | from 58$ |
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| A695 0008 | Option NPT1/2" thread adapter | Delivery time from 12 weeks | from 12$ |
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| A695 0009 | Option PT1/2" thread adapter | Delivery time from 12 weeks | from 12$ |
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| C190 0002 | Closing cap for S421 / S452 Measuring Section,Stainless steel 1.4404 with sealing ring, M32 thread | Delivery time from 12 weeks | from 23$ |
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| C190 0594 | Thread adapter, G1/2” inner thread for flow sensor, G1/4” inner thread for pressure sensor, R1/2” external thread to process connection (ball valve) | Delivery time from 12 weeks | from 35$ |
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You can request the necessary certificates, documentation, instructions and user guide for SUTO S401 using the special form.
You can buy SUTO S401 in UAE at a price starting from 2123 $ in «Texair FZCO» by leaving a request on the website, by phone +441225535040 or by email rop@texairmeasure.ae. SUTO S401 price are subject to change depending on exchange rates. We deliver instruments by transport companies in United Arab Emirates, Kuwait, Qatar, Saudi Arabia, Saudi Arabia, Bahrain and other Middle Eastern countries.
See also: Flow Meters for Compressed Air and Gas
