Suto - Thermal Mass Flow Sensors | S 401/421

Common Features S 401 / 421

• Measures standard flow, mass flow, consumption and
temperature
• Thermal mass flow, independent of pressure and
temperature changes
• IP65 casing provides robust protection in rough industrial
environment
• Very fast response time
• High accuracy and wide measuring range
• Isolated mA and pulse output signals or Modbus RTU
interface
• Selectable gas type (some gases require real gas calibration!)
• App for mobile phones and tablets for wireless sensor settings
• Sensor can be calibrated in 2 different gases

Features S 401

• Tube diameters of DN25 to DN500.
• 2 installation types: center installation and 100 mm insertion
depth installation for bigger pipes (> DN250)
• Installation under pressure through 1/2” ball valve

Features S 421

• Pipes sizes available: DN15, DN20, DN32, DN40, DN50, DN65, DN80
• Process connections available: R thread, flange EN1092-1,
ANSI/B16.5
• Exchangeable sensor unit (easy sensor swap)

To contact Compressed Air Technology about Suto Thermal Mass Flow Sensors | S 401/421 use Get a quote.

Common Features S 401 / 421

• Measures standard flow, mass flow, consumption and
temperature
• Thermal mass flow, independent of pressure and
temperature changes
• IP65 casing provides robust protection in rough industrial
environment
• Very fast response time
• High accuracy and wide measuring range
• Isolated mA and pulse output signals or Modbus RTU
interface
• Selectable gas type (some gases require real gas calibration!)
• App for mobile phones and tablets for wireless sensor settings
• Sensor can be calibrated in 2 different gases

Features S 401

• Tube diameters of DN25 to DN500.
• 2 installation types: center installation and 100 mm insertion
depth installation for bigger pipes (> DN250)
• Installation under pressure through 1/2” ball valve

Features S 421

• Pipes sizes available: DN15, DN20, DN32, DN40, DN50, DN65, DN80
• Process connections available: R thread, flange EN1092-1,
ANSI/B16.5
• Exchangeable sensor unit (easy sensor swap)

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To contact Compressed Air Technology about Suto Thermal Mass Flow Sensors | S 401/421 use Get a quote.