CS-iTEC flow / consumption sensor S 420
The new affordable flow sensor S 420 work according to the approved thermal mass flow principle. As a result actual mass flow or standard volumetric flow is measured and displayed without the need of temperature or pressure compensation. Flow sensor S 420 is available with and without display.
Due to the compact design of flow sensor S 420 it is possible to monitor all compressed air systems from the compressor to the smallest compressed air tool (DN 15 to DN 50) in terms of flow rate and compressed air consumption.
For larger pipe diameters (DN 50 to DN300) an insertion type flow sensor S 400 is available. Apart from compressed air also other gases like N2, O2, Ar, N2O, and CO2 can be measured. The installation of the flow sensor S 420 can be done easily and quickly. A special advantage is the removable measuring device. The measuring device can be demounted quickly and easily for calibration purposes without removing the complete measuring section.
Intelligent solutions for accurate flow measurements for compressed air and gases
Stationary use
Due to the economic solution with S 420 the consumption measurement of compressed air and process gases in branch pipes becomes attractive. This allows the monitoring of gas consumption to different production units.
Mobile use
The compact design and easy use allows the measurement of compressed air / gas at machine level. In the picture beside S 420 is connected to the air supply of a machine.
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Measured unit |
m³/h, m³/min, l/min, cfm, m/s, kg/min, kg/h, kg/s
(Reference standard can be programmed)
Default values:
* Air: Ps=1000 hPa, Ts=20 °C
all other gases: Ps=1013 hPa, Ts=0°C |
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Accuracy |
± (2% of measured value + 0.3% full scale)
Temperature drift: 0.05 % / K
Pressure drift: 0.5 % / MPa |
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Stated accuracy at: |
Ambient/process temperature 23 °C ± 3°C
Ambient/process humidity < 90 %, no condensation
Process pressure at 0.6 MPa |
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Process connection: |
R thread(ISO 7-1),
Flange EN 1092-1, ANSI / B16.5, JIS B2220 |
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Principle of measurement: |
Thermal mass flow |
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Sensor: |
Glass coated resistive sensor |
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Measuring Medium: |
Air, N2, O2, Ar, N2O, CO2 |
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Operating temperature: |
-30 to 50 °C
-10 to 50 °C with local display |
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Operating pressure: |
up to 1.6 Mpa
up to 4.0 MPa (Optional) |
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Analogue output: |
Signal: 4 to 20 mA
Scaling: 0 to maximum volume flow
Accuracy: 0.06 mA |
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Pulse output: |
1 pulse per consumption unit, insulated
switch output, max. 30 VDC, 20 mA |
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Power supply: |
12-30 VDC, 2.4W |
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Display: |
128 x 64 pixel, with backlight |
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Material: |
Measuring section:
Stainless steel 1.4404 (sus 316L) |
* Ps: Standard pressure Ts: Standard temperature
