Insertion type
flow-captor 4121.1x (flow switch for oil based media / transistor output)
flow switch for oil based media with transistor output
Operating principle: calorimetric
Measuring range: 0 - 30 cm/s to 0 - 300 cm/s,
continuously adjustable
Protection class: IP65
Operating voltage: 18 - 30 VDC
Options: different sensor head sizes and lengths, different materials, BSP and NPT, cooling version up to 130 °C / 266 °F (S101)
Also available for water based media.
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flow-captor 4121.1x Tri-Clamp® (flow switch for oil based media in the food industry / compact unit)
flow-switch for water based media in the food industry
4120.13A S113/xx S110/xx - sensor head for TRI-CLAMP® system
4120.13A S114/xx S110/xx - high temperature version
sensor head for TRI-CLAMP® system
EHEDG-certified (click for more information)
Operating principle: calorimetric
Measuring range: from 0 - 20 cm/s to 0 - 200 cm/s,
continuously adjustable
Pressure: up to 100 bar
Medium temperature:
-20 °C up to +80 °C / 176 °F (S113)
-20 °C up to +130 °C / 266 °F (S114)
Diameter of the lid: 50.5 or 64.0 mm
Sensor head length: 47.5 or 67.0 mm
Operating voltage: 18 - 30 V DC
Also available for water based media.
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Data sheet 4121.1xA S113/xx S110/xx
Data sheet 4121.1xA S114/xx S110/xx
flow-captor 4121.1xM (flow switch for oil based media / stainless steel / transistor output)
flow switch for oil based media with transistor output in a rugged stainless steel version (full encapsulation)
Operating principle: calorimetric
Measuring range: 0-30 cm/s up to 0-300 cm/s,
continuously adjustable
Protection class: IP67
Operating voltage: 18 - 30 VDC, 10.5 - 36 VDC or 19 - 72 VDC
Options: different sensor head sizes and lengths, different materials, BSP and NPT, cooling version up to 130 °C (4121.1xMK)
Also available for water based media.
Downloads:

flow-captor 4121.4xM (flow switch for oil based media / stainless steel / relay or optocoupler output)
flow switch for oil based media in a rugged stainless steel housing (full encapsulation)
Electrical output:
4121.40/.41M relay output
4121.42/.43M optocoupler output
Operating principle: calorimetric
Measuring range: 0 - 30 cm/s up to 0 - 300 cm/s,
continuously adjustable
Protection class: IP67
Operating voltage: 18 - 30 VDC
Further versions:
4121.40/.41M S140 (Brad-Harrison-plug)
4121.40/.41M S141 (Binder-plug)
4121.40/.41M S150 (relay for 250 VDC / 280 mA)
4221.40/.41M (with additional analogue temperature output)
Also available for water based media.
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flow-captor 4121.5xM (flow switch for oil based media / stainless steel / solid state relay output)
flow switch for oil based media in a rugged stainless steel version (full encapsulation) with solid state relay output (SSR)
Electrical output: solid state relay output
Operating principle: calorimetic
Measuring range: 0 - 30 cm/s up to 0 - 300 cm/s,
continuously adjustable
Protection class: IP67
Operating voltage: 90 - 250 VAC/DC
Further versions:
4121.5xM S141 (4-pol. Binder male socket)
4121.5xMA S110/xx (different sensor head lengths)
4221.5xM (with additional analogue temperature output)
Also available for water based media.
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flow-captor 4121.8xM (flow switch for oil based media / stainless steel / relay output VAC/DC)
flow switch for oil based media in a rugged stainless steel version (full encapsulation) with relay output VAC/DC
Electrical output: relay output
Operating principle: calorimetic
Measuring range: 0 - 30 cm/s up to 0 - 300 cm/s,
continuously adjustable
Protection class: IP67
Operating voltage: 90 - 250 VAC/DC
Further versions:
4121.8xM S140 (Brad-Harrison-plug)
4121.8xM S141 (Binder-plug)
4121.8xM S142 (UV-protected cable)
4121.8xMK (cooling version up to 130 °C)
4221.8xM (with additional analogue temperature output)
Also available for water based media.
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flow-captor 4120 S100 + 4021.1x S100 (flow switch for oil based media / high temperature / remote system)
flow switch for oil based media / high temperature
(remote system)
Medium temperature: up to max. 140 °C / 284 °F (S100)
Operating principle: calorimetric
Measuring range: 0 - 30 cm/s up to 0 - 300 cm/s,
continuously adjustable
Operating voltage: 18 - 30 VDC
Options: different sensor head sizes and lengths (S110/xx),
different materials, BSP and NPT,
Also available for water based media.
Download:

flow-captor 4221.1xM (flow switch for oil based media / stainless steel / analog temperature output)
flow switch for oil based media in a rugged stainless steel version / full encapsulation / analog temperature output
Operating principle: calorimetric
Electrical output: transistor output
Temperature output: analog 4 - 20 mA
Operating voltage: 18 - 30 VDC
Measuring range: 0-30 cm/s up to 0-300 cm/s,
continuously adjustable
Protection class: IP67
Also available for water based media.
Downloads:

flow-captor 4221.4xM (flow switch for oil based media / stainless steel / relay output / additional analog temperature output)
flow switch for oil based media in a rugged stainless steel housing (full encapsulation), relay output and additional analog temperature output
Operating principle: calorimetric
Measuring range: 0 - 30 cm/s up to 0 - 300 cm/s,
continuously adjustable
Protection class: IP67
Operating voltage: 18 - 30 VDC
Further versions:
4221.40/.41M S140 (Brad-Harrison-plug)
4221.40/.41M S141 (Binder-plug)
Also available for water based media.
Download:

flow-captor 4221.8xM (flow switch for oil based media / stainless steel / relay output VAC/DC / additional analog temperature output)
flow switch for oil based media in a rugged stainless steel version (full encapsulation) with relay output VAC/DC and additional analog temperature output
Electrical output: relay output
Operating principle: calorimetic
Measuring range: 0 - 30 cm/s up to 0 - 300 cm/s,
continuously adjustable
Protection class: IP67
Operating voltage: 90 - 125 VAC/DC
Further versions:
4221.8xM S140 (Brad-Harrison-plug)
4221.8xM S141 (Binder-plug)
4221.8xM S142 (UV-protected cable)
4221.8xMK (cooling version up to 130 °C)
Also available for water based media.
Download:
