Honsberg Flow Switches

CRG Flow Switch
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Technical data

Switch Micro switch
Nominal width DN 25..200
Process connection Male thread R 1 "
Tolerance ±15 % of full scale value
Pressure resistance PN 11 bar
Medium temperature -20..+120 °C
Ambient temperature -20..+85 °C
Media Water (oils and aggressive media available on request)
Switching voltage 250 V DC
Switching current 15(8) A
Protection class 1 - PE connection
Ingress protection IP 65
Electrical connection Cable screw gland M20x1.5
Non-mediumcontact materials ABS, PC transparent

Details :

  • Can be used from nominal width DN 25..200
  • Suitable for media with ferritic particles.


Characteristics : The devices function via the principle of a paddle supported by a metal bellows, and the triggering of a micro switch.

Handling and operation :

  • Attention! Paddle fixi...

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FF Flow Switch
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Technical data

Switch Reed switch
Nominal width DN 8..40 (DN 50..80 available on request)
Process connection Female thread G 1/4 ..G 11/4
Tolerance ±3 % of the switching value, minimum ±0.3 l/min
Ambient temperature -20..+70 °C
Media Water (oils available on request)
Switching voltage Max. 230 V AC
Switching current Max. 1 A
Switching capacity Max. 50 VA
Protection class 1 - PE connection
Ingress protection IP 65
Electrical connection Cable 1.8 m
Non-mediumcontact materials PA, PVC
Materials medium-contact Rg 5 nickelled, 1.4310, CW614N nickelled, NBR, hard ferrite

Details :

  • Adjusted switching value
  • Highly reproducible
  • Insensitive to dirt


Characteristics : The volume flow raises a piston (fitted with a magnet) out from a valve seat against a spring force. The piston actuates a hermetically separated reed switch.

Handling and operation :

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FW1 Flow Switch
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Technical data

Switch Reed switch
Nominal width DN 8..25
Process connection Female thread G 1/4..G 1 (further process connections available on request)
Tolerance ±10 % of full scale value
Pressure resistance PN 100 bar optionally up to PN 800 bar
Media temperature -20..+90 °C
Ambient temperature -20..+70 °C
Media Water (oils and aggressive media available on request)
Switching voltage Max. 230 V AC
Switching current Max. 0.5 A
Switching capacity Max. 50 VA
Protection class 2 - safety insulation
Ingress protection IP 67
Electrical connection For round plug connector M12x1, 4-pole
Materials medium-contact CW614N nickelled, CW614N, POM, 1.4310, hard ferrite
Non-mediumcontact materials PC, 1.4301, 1.4305

Details :

  • Economical design
  • High switching power
  • Insensitive to dirt


Characteristics : Mechanical flow switch, for fluid media, with spring-supported piston and magnetic triggering of a reed switch. Robust construction in brass and POM.

Handling and operation :

  • Include s...

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HD1F Flow Switch
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Technical data

Switch Reed switch
Nominal width DN 8..25
Process connection Female thread G 1/4..G 1 (Further process connections available on request)
Tolerance ±5 % of full scale value
Pressure resistance PN 200 bar optionally PN 500 bar
Media temperature -20..+120 °C with display Z -20..+70 °C optionally -20..+150 °C
Ambient temperature -20..+70 °C
Media Water, oil (gases and aggressive media available on request)
Switching voltage Max. 250 V AC
Switching current Max. 1.5 A
Switching capacity Max. 50 VA
Protection class 2 - safety insulation
Ingress protection IP 65
Electrical connection Plug DIN 43650-A / ISO 4400 optionally for round plug connector M12x1, 4-pole
Non-mediumcontact materials PA, CW614N, NBR

Details :

  • High switching power
  • Compact design


Characteristics : Mechanical flow switch, for fluid or gaseous media, with spring-supported piston and magnetic triggering of a reed switch. Robust construction in brass or stainless steel.

Handling and operation :

  • Include straight ca...

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HD1K Flow Switch
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Technical data

Switch Reed switch
Nominal width DN 8..25
Process connection Female thread G 1/4..G 1 (Further process connections available on request)
Tolerance ±5 % of full scale value
Pressure resistance PN 200 bar optionally PN 500 bar
Media temperature -20..+120°C with display Z -20..+70°C optionally -20..+150°C
Ambient temperature -20..+70 °C
Media Water, oil (gases and aggressive media available on request)
Switching voltage Max. 250 V AC
Switching current Max. 1.5 A
Switching capacity Max. 50 VA
Protection class 2 - Safety insulation
Ingress protection IP 65
Electrical connection Plug DIN 43650-A / ISO 4400 Optionally for round plug connector M12x1, 4-pole
Non-mediumcontact materials PA, CW614N, NBR

Details :

  • High switching power
  • Compact design


Characteristics : Mechanical flow switch, for fluid or gaseous media, with spring-supported piston and magnetic triggering of a reed switch. Robust construction in brass or stainless steel.

Handling and operation :

  • Include straight ca...

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HD2F Flow Switch
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Technical data

Switch Reed switch
Nominal width DN 8..25
Process connection Female thread G 1/4..G 1 (Further process connections available on request)
Tolerance ±5 % of full scale value
Pressure resistance PN 200 bar optionally PN 500 bar
Media temperature -20..+120°C with display Z -20..+70°C optionally -20..+150°C
Ambient temperature -20..+70°C
Media Oil
Switching voltage Max. 250 V AC
Switching current Max. 1.5 A
Switching capacity Max. 50 VA
Protection class 2 - safety insulation
Ingress protection IP 65
Electrical connection Plug DIN 43650-A / ISO 4400 optionally for round plug connector M12x1, 4-pole
Non-mediumcontact materials PA, CW614N, NBR

Details :

  • High switching power
  • Compact design
  • viscosity-stabilized


Characteristics : Mechanical flow switch, for fluid or gaseous media, with spring-supported piston and magnetic triggering of a reed switch. Robust construction in brass or stainless steel.

Handling and operation :

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HFK30-IFIN Flow Switch
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Technical data

Sensor Calorimetric measurement principle
Process connection Smooth tube for crimp adapter or hose connection
Measurement accuracy ±3 % F.S. (H2O dist.)
Repeatability ±1 % MW (H2O dist.)
Temperature gradient 4 K/s
Start-up time 10 sec. after application of operating voltage
Response time In water (25°C) at an average flow speed of approx. 1-2 sec.
Process pressure PN 10
Pressure loss Max. 0.3 bar at max. flow
Media temperature 0..+100°C
Ambient temperature -20..+70°C
Storage temperature -20..+80°C
CIP- / SIP temperature With spacer 140°C, 30 minutes max.
Materials medium-contact 1.4404 (others available on request)
Materials, nonmedium- contact PPS, PA6.6, 1.4305
Power consumption Max. 2.5 W
Supply voltage 24 V DC ±10 %
Analog output 4..20 mA / Load 500 Ohm max. or 0..10 V / Load min. 1 kOhm
Electrical connection For round plug connector M12x1, 4-pole
Current consumption Max. 100 mA
Switching hysteresis Flow 2 % of end value temperature approx. 2 °C
Adjustment By means of magnet

Details :

  • Flow switch/transmitter for small flows in the foodstuffs industry
  • Combination with temperature switch or transmitter possible
  • No moving parts in the medium being measured
  • Only one medium-contact material
  • Simple to use
  • Low pressure loss
  • Various nominal widths
  • Rapid response times for a calorim...

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HFK35-FIN Flow Switch
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Technical data

Sensor Calorimetric measurement principle
Process connection Smooth tube for crimp connector or hose connection
Measurement accuracy ±3 % F.S. (H2O dist.)
Repeatability ±1 % MW (H2O dist.)
Temperature gradient 4 K/s
Start-up time 10 sec. after application of operating volt.
Response time In water (25°C) at average Flow speed of approx. 1-2 sec.
Process pressure PN 10
Medium temperature 0..+100°C
Ambient temperature -20..+70°C
Storage temperature -20..+80°C
CIP- / SIP temperature With spacer 140°C, 30 minutes max.
Materials medium-contact Stainless steel 1.4404 (others available on request)
Supply voltage 24 V DC±10 %
Analog output 0/4..20 mA or 0/2..10 V
Power consumption Max. 2.5 W
Hysteresis Adjustable, position of the hysteresis depends on minimum or maximum switching value
Electrical connection For round plug connector M12x1, 5-pole
Ingress protection IP 67
Weight Approx. 0.25 kg
Conformity CE

Details :

  • For foodstuffs use
  • Analog output 0/4..20 mA or 0/2..10 V
  • Two programmable switches (push-pull)
  • Graphical LCD display, backlit (transreflective), can be read in sunlight and in the dark
  • Programmable parameters via rotatable, removable ring (programming protection)
  • Full metal housing with non-scratch, chemically ...

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LABO-XF-S Flow Switch
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Technical data

Sensor Dynamic diaphragm
Nominal width DN 8..25
Pressure loss Max. 0.5 bar at the end of the metering range
Media temperature 0..+70°C with high temperature option 0..150°C
Ambient temperature 0..+70°C
Storage temperature -20..+80°C
Supply voltage 10..30 V DC
Power consumption < 1 W (for no-load outputs)
Electrical connection For round plug connector M12x1, 4-pole
Ingress protection IP 67

Details :

  • Very short response time
  • High overload protection
  • Metering range 1:80
  • Low pressure loss
  • Compact design


Characteristics :

  • The integrated converter / counter make available an electronic switching output (push-pull) with adjustable characteristics (minimum/maximum) and hys...

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MR Flow Switch
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Technical data

Switch Reed switch
Nominal width DN 8.0.25
Tolerance ±5 % of full scale value
Pressure resistance PN 200 bar (with optional display O1 G 1/4..G 3/4 PN 90)
Media temperature -20..+120°C
Ambient temperature -20..+70°C
Media Water (oils, gases and aggressive media available on request)
Switching voltage Max. 250 V AC
Switching current Max. 1.5 A
Switching capacity Max. 50 VA
Protection class 2 - safety insulation
Ingress protection IP 65
Electrical connection Cable 2.5 m (others cable lengths available on request)
Non-mediumcontact materials PA, PVC

Details :

  • High switching power
  • Compact design


Characteristics : Mechanical flow switch, for fluid or gaseous media, with spring-supported piston and magnetic triggering of a reed switch. Robust construction in brass or stainless steel.

Handling and operation :

  • Install straight ca...

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MR1K Flow Switch
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Technical data

Switch Reed switch
Nominal width DN 8..25
Tolerance ±5 % of full scale value
Pressure resistance PN 200 bar optionally PN 500 bar
Media temperature -20..+120 optionally -20..+150oC
Ambient temperature -20..+70oC
Media Water (oils, gases and aggressive media available on request)
Switching voltage Max. 250 V AC
Switching current Max. 1.5 A
Switching capacity Max. 50 VA
Protection class IP 65
Electrical connection Plug DIN 43650-A / ISO 4400, optionally round plug connector M12x1, 4-pole

Details :

  • High switching power
  • Compact design


Characteristics : Mechanical flow switch, for fluid or gaseous media, with spring-supported piston and magnetic triggering of a reed switch. Robust construction in brass or stainless steel.

Handling and operation :

  • Install straight ca...

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RVM Flow Switch
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Technical data

Switch Reed switch
Nominal width DN 8
Process connection Female thread G 1/4
Tolerance ±10 % of full scale value
Media temperature -20..+100°C optionally 160°C
Ambient temperature -20..+70°C
Media Water (gas and aggressive media available on request)
Switching current Max. 0,7 A
Switching capacity Max. 20 VA
Protection class 2 - safety insulation
Ingress protection IP 65
Electrical connection DIN 43650-C plug
Non-mediumcontact materials Switching head PBT, PA, NBR, brass nickelled, stainless steel

Details :

  • Monitoring of small flows
  • PN 300 / 350


Characteristics : Mechanical flow switch, for fluid media, with magnetic triggering of a reed switch. Robust construction in brass or stainless steel.

Handling and operation :

  • Include straight calming section of 5 x DN in inlet and...

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