Insertion type

flow switch for water based media

Operating principle: calorimetric
Measuring range: 0 - 20 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 (S101) 

Also available for oil based media.

Download:

Data sheet 412x.1x

User manual 412x.1x

Application example

flow switch for water based media in a rugged stainless steel version / full encapsulation (transistor output)

Operating principle: calorimetric

Electrical output: transistor output
Operating voltage: 18 - 30 VDC, 10.5 - 36 VDC or 19 - 72 VDC
Measuring range: 0-20 cm/s up to 0-300 cm/s,

continuously adjustable
Protection class: IP67 
Options: different sensor head sizes and lengths, different

materials, BSP and NPT, cooling version up to 130 °C (4120.1xMK)​​​​
 

Also available for oil based media. 

Downloads:

Data sheet 412x.1xM 18-30 VDC

Data sheet 412x.1xM 10.5-36 VDC

Data sheet 412x.1xM 19-72 VDC

User manual 412x.1xM

Application example

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 - 300 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

Download:

Data sheet 4120.1xA S113/xx S110/xx

Data sheet 4120.1xMA S113/xx S110/xx

Data sheet 4120.1xA S114/xx S110/xx

flow switch for water based media in a rugged stainless steel housing (full encapsulation) 

Electrical output:
4120.40/.41M   relay output
4120.42/.43M   optocoupler output

Operating principle: calorimetric

Operating voltage: 18 - 30 VDC
Protection class: IP67
Measuring range: 0 - 20 cm/s up to 0 - 300 cm/s,

continuously adjustable

Further versions:
4120.40/.41M S140 (Brad-Harrison-plug)
4120.40/.41M S141 (Binder-plug)
4120.40/.41M S150 (relay for 250 VDC / 280 mA)

4220.40/.41M (with additional analogue temperature output)

Also available for oil based media.

Download:

Data sheet 412x.40M/.41M

Data sheet 412x.40M/.41M S140

Data sheet 412x.40M/.41M S141

Data sheet 412x.42M/43M

Data sheet 422x.40M/.41M

Data sheet 422x.40M/41M S141

User manual 412x.40M/.41M

flow switch for water based media in a rugged stainless steel version (full encapsulation) with solid state relay output (SSR)

Operating principle: calorimetic

Electrical output: solid state relay output
Operating voltage: 90 - 250 VAC/DC
Protection class: IP67
Measuring range: 0 - 20 cm/s up to 0 - 300 cm/s, 

continuously adjustable

Further versions:
4120.5xM S141 (4-pin Binder male socket)
4120.5xMA S110/xx (different sensor head lengths)

4220.5xM (with additional analogue temperature output)

Also available for oil based media. 

Download:

Data sheet 412x.5xM

Data sheet 412x.5xM S141

Data sheet 422x.5xM

User manual 412x.5xM

flow switch for water based media in a rugged stainless steel version (full encapsulation) with relay output VAC/DC

Operating principle: calorimetic

Electrical output: relay output
Operating voltage: 90 - 250 VAC/DC
Protection class: IP67
Measuring range: 0 - 20 cm/s up to 0 - 300 cm/s,

continuously adjustable

Further versions:
4120.8xM S140 (Brad-Harrison-plug)
4120.8xM S141 (Binder-plug)

4120.8xM S142 (UV-protected cable)
4120.8xMK (cooling version up to 130 °C)

4220.8xM (with additional analogue temperature output)

Also available for oil based media.

Download:

Data sheet 412x8xM

Data sheet 412x.8xM S140

Data sheet 412x.8xM S141

Data sheet 412x.8xMK S140

Data sheet 422x.8xM S141

User manual 412x.8xM

flow-switch for water-based media with factory-set

switching point

Lower cost alternative to the flow-captor 4120.13.

LED display for power and switching status.

Operating principle: calorimetric
Setpoint: factory-set 30 cm/s, 80 cm/s or 120 cm/s

(must be specified when ordering)
Operating voltage: 18 - 30 VDC
Electrical output: PNP n. o. (closer) currentless
Protection class: IP 65

Download:

Data sheet 4140.13

User manual 4140.13

flow switch for water based media with simultaneous

monitoring of flow and temperature
 

Operating principle: calorimetric
Measuring range: 0 - 20 cm/s to 0 - 300 cm/s,

continuously adjustable
Medium temperature: -20 °C to +80 °C / -4 °F to +176 °F
Set-point temperature: 

50 °C, 70 °C, 80 °C / 122 °F, 158 °F, 176 °C, factory set

(other set-points on request)
Operating voltage: 18 - 30 VDC

Download:

Data sheet 4220.1xF/1xT xx °C

User manual 4220.1xF/1xT xx°C

flow switch for water based media in a rugged stainless steel housing (full encapsulation) with simultaneous monitoring of flow and temperature 

Operating principle: calorimetric
Measuring range: 0 - 20 cm/s to 0 - 300 cm/s,

continuously adjustable
Medium temperature: -20 °C to +80 °C / -4 °F to +176 °F
Set-point temperature: 

50 °C, 70 °C, 80 °C / 122 °F, 158 °F, 176 °F, factory set

(other set-points on request)
Operating voltage: 18 - 30 VDC

Download:

Data sheet 4220.1xF/1xTM xx °C

User manual 4220.1xF/1xT xx°C

flow switch for water based media, high temperature type

(remote system)

Medium temperature: up to max. 140 °C / 284 °F (S100)
Operating principle: calorimetric
Measuring range: 0 - 20 cm/s up to 0 - 300 cm/s,

continuously adjustable
Operating voltage: 18 - 30 VDC

Further versions: different sensor head sizes and lengths (S110/xx), different materials, BSP and NPT

Also available for oil based media.

Download:

Data sheet 4120 S100 + 402x.13 S100

flow switch for water based solutions in the food industry

(remote system)
 

for TRI-CLAMP® system

EHEDG-certified (click for more information)

Operating principle: calorimetric
Measuring range: 0-20 cm/s to 0-300 cm/s,

continuously adjustable
Medium temperature: up to 135 °C / up to 275 °F
Operating voltage: 18 - 30 VDC

Download:

Data sheet 4120 S103 + 4020.1x S103