Flow Display H1O1 / H2O1

● No electrical supply required
● Individually calibrated display
● Compact design

Characteristics :
A piston fitted with a magnet is pushed through the medium against
the force of a spring. This activates the pointer of the measuring
device by means of a magnetic coupling. Because of the hermetic
separation from the medium, the display unit cannot be soiled by
the medium.

Ranges :
Details in the table correspond to horizontal inwards flow with
increasing flow rate.

Handling and Operation :
● Include straight calming section of 5 x DN in inlet and outlet.
● If the media are dirty, install a filter
(use magnetic filter for ferritic components)

Flow Switch

● Bidirectional flow switching
● Viscosity stabilised
● Compact design

Characteristics :
Mechanical flow switch, for viscous media, with spring-supported
piston and magnetic triggering of a reed switch.

Handling and operation
Note
● Include straight calming section of 5 x DN in inlet and outlet.
● If the media are dirty, install a filter (use magnetic filter for ferritic components).
● It must be ensured that the values given for voltage, current, and power are not exceeded.
● When switch on, a load must be connected in series.
● The electrical details apply to ohmic loads.
Capacitive, inductive and lamp loads must be operated using a protective circuit.
Adjustment
The setting of the switching points to 1 l/min is carried out in the
factory.

Flow Switch FW1-...GM

● 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
Note
● Include straight calming section of 5 x DN in inlet and outlet
● Include a filter if the media are dirty (use magnetic filter for
ferritic components).
● It must be ensured that the values given for voltage, current,
and power are not exceeded.
● When switch on, a load must be connected in series.
● The electrical details apply to ohmic loads. Capacitive,
inductive and lamp loads must be operated using a protective
circuit.
Adjustment
Loosen screw slightly, push the switching head into the desired
position,

Switching Head A-H2.1

●I M1 Ex ia I Ma
●II 1G Ex ia IIC T4 Ga
●II 1D Ex ia IIIB T135°C Da

Characteristics :
Intrinsically safe switching head with reed switch and ATEX approval, for the HD range of devices, for use in intrinsically safe power circuits.

Handling and operation
Note
All
●For use only in intrinsically safe power circuits - Provide a suitable isolating amplifier.
●Cable lengths max. 5 m.
●It must be ensured that the values given for voltage, current, and power are not exceeded.
●When switched on, a load must be connected in series.
●The electrical details apply to ohmic loads. Capacitive, inductive and lamp loads must be operated using a protective circuit.

HD1KO- / HD2KO-
●Display with plastic parts - do not open in an explosive atmosphere.

Flow Indicator HV

● Bidirectional
● 360 ° visibility

Characteristics :

The flow indicator HV is used for the reliable display of transparent
fluids. A signal-red turbine wheel rotates in a glass tube
proportional to the flow, and in this way provides an indication of
the flow rate present.
The devices provide 360 ° vision, and are built for a long working
life, thanks to the design of the turbine's bearings.

Flow Switch MR1K

● 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
Note
● Include straight calming section of 5 x DN in inlet and outlet
● Include a filter if the media are dirty (use magnetic filter for
ferritic components).
● It must be ensured that the values given for voltage, current,
and power are not exceeded.
● When switch on, a load must be connected in series.
● The electrical details apply to ohmic loads. Capacitive,
inductive and lamp loads must be operated using a protective circuit.

Adjustment
If it is necessary to set the switching value,
the switching head can be adjusted
lengthways.

Mechanical flow switch, for fluid media, with magnetic triggering of a reed switch. Plastic housing with integrated filter.

● Adjusted switching value
● Integrated filter
● High switching power
● Optional flow limiter in the outlet piece

Handling and operation

● Include straight calming section of 5 x DN in inlet and outlet
● It must be ensured that the values given for voltage, current,
and power are not exceeded.
● When switch on, a load must be connected in series.
● The electrical details apply to ohmic loads. Capacitive,
inductive and lamp loads must be operated using a protective circuit.

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HD 22.2 - HD 22.3 PORTE-ELECTRODES

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