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

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

Flow Transmitter /Switch Screw Volumeter FLEX-VHS

● Measures and monitors viscous media (oil) 1.4..2500 l/min
● Connection G 1..G 21/2
● Very low dependence on viscosity
● Can be used up to 40,000 mm²/s (cSt)
● Switching output and analog output (4..20 mA / 0..10 V)
● Light and compact device (aluminium housing)
● Operation and measurement possible with forwards and
reverse flow
● For cost-sensitive applications
● Simple to use
● Cable outlet infinitely rotatable

Characteristics :

The VHS flow transmitter measures the flow using the volumetric
principle, and is suitable for fluid, viscous, lubricant media (e.g.
lubricating oil).

Flow Transmitter / Screw Volumeter LABO-VHS-I / U / F / C

● Measures and monitors viscous media (oil) 1.4..2500 l/min
● Connection G 1..G 21/2
● Very low dependence on viscosity
● Can be used up to 40,000 mm²/s (cSt)
● 0..10 V, 4..20 mA , frequency/pulse output, completely
configurable
● Light and compact device (aluminium housing)
● Operation and measurement possible with forward and
reverse flow
● For cost-sensitive applications

Characteristics :

The VHS flow transmitter measures the flow using the volumetric
principle, and is suitable for fluid, viscous, lubricant media (e.g.
lubricating oil). If the material for the VHS is selected appropriately,
aqueous fluids such as soaps, pastes, and emulsions with
non-abrasive characteristics can also be measured, as long as they
have sufficient lubricity. 

Flow Transmitter / Screw Volumeter VHS

● Measures and monitors viscous media (oil) 1.4..2500 l/min
● Connection G 1..G 21/2
● Very low dependence on viscosity
● Can be used up to 40,000 mm²/s (cSt)
● Linear frequency output (push-pull)
● Light and compact device (aluminium housing)
● Operation and measurement possible with forwards and
reverse flow
● For cost-sensitive applications

Characteristics :

The VHS flow transmitter measures the flow using the volumetric
principle, and is suitable for fluid, viscous, lubricant media (e.g.
lubricating oil). If the material for the VHS is selected appropriately,
aqueous fluids such as soaps, pastes, and emulsions with nonabrasive
characteristics can also be measured, as long as they
have sufficient lubricity. 

Flow Transmitter / Screw Volumeter LABO-VHS-S

● Monitors viscous media (oil) 1.4..2500 l/min
● Connection G 1..G 21/2
● Very low dependence on viscosity
● Can be used up to 40,000 mm²/s (cSt)
● Versatile configurable limit switch (push-pull)
● Light and compact device (aluminium housing)
● Operation and measurement possible with forward and
reverse flow
● For cost-sensitive applications

Characteristics :

The VHS flow transmitter measures the flow using the volumetric
principle, and is suitable for fluid, viscous, lubricant media (e.g.
lubricating oil). If the material for the VHS is selected appropriately,
aqueous fluids such as soaps, pastes, and emulsions with
non-abrasive characteristics can also be measured, as long as they
have sufficient lubricity.

Signal converter LABO-W...I / U / F / C

● Signal converter for looping into the sensor line
● Conversion of voltages, currents or frequencies into current, voltage, frequency or pulse signals
● 16-bit microcontroller
● Linearized
● Numerous configurable parameters
● A parameter can be set locally
● Affordable

Characteristics :

The LABO-W signal converters are designed for the measurement
of sensor signals and their conversion into standard signals (cur-
rent 4..20 mA, voltage 0..10 V, frequencies up to 2 kHz, pulse sig-
nals). For this purpose, they have a powerful 16-bit microcontroller
in their compact housing.

Limit switch LABO-W...S

● Limit switch for looping into the sensor line

● Evaluation of voltages, currents or frequencies

● 16-bit microcontroller

● Numerous configurable parameters

● A parameter can be set locally

● Affordable

Characteristics :

The LABO-W limit switches are designed for the measurement and evaluation of sensor signals. For this purpose, they have a powerful 16-bit microcontroller in their compact housing. The standard versions are designed such that currents, voltages and frequencies which are common for industrial applications can be measured. 

Flow Transmitter / Switch OMNI-RT 

● Universal turbine flow sensor

● Analog output, two switching outputs

● Clear, easily legible, illuminated LCD display

● Modifiable units in the display

● Designed for industrial use

● Small, compact construction

● Simple installation

Characteristics :

A turbine acts as the primary sensor; its rotational speed is proportional to the flow rate. The rotational speed is detected by means of pre-tensioned Hall sensors, i.e. there are no magnets in the flow space. The OMNI transducer located on the sensor has a backlit graphics LCD display which is very easy to read, both in the dark and in bright sunlight. 

Flow Transmitter LABO-RT-I / U / F / C 

● High precision

● No magnetic components in the flow space

● High pressure resistance

● 0..10 V, 4..20 mA , frequency/pulse output, completely configurable

Characteristics :

A turbine acts as the primary sensor; its rotational speed is proportional to the flow rate. The rotational speed is detected by means of pre-tensioned Hall sensors, i.e. there are no magnets in the flow space. The LABO-RT electronics make various output signals available:

● Analog signal 0/4..20 mA (LABO-RT-I)

● Analog signal 0/2..10 V (LABO-RT-U)

● Frequency signal (LABO-RT-F) or

● Value signal pulse / x litres (LABO-RT-C)

A model with switching output is also available (see separate datasheet).

If desired, the range end value can be set to the currently existing flow using "teaching"

Switching head A-H1.1

● I M1 Ex ia I Ma
● II 1G Ex ia IIC T4 Ga
● II 1D Ex ia IIIC 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 Transmitter /Switch FLEX-RT

● Versatile turbine flow sensor
● Switching output and analog output (4..20 mA / 0..10 V)
● Top quality materials
● Designed for industrial use
● Ingress protection IP 67
● Infinitely adjustably rotatable cable outlet for clean
alignment
● Small, compact construction
● Very simple installation

Characteristics :

A turbine acts as the primary sensor; its rotational speed is
proportional to the flow rate. The rotational speed is detected by
means of a biased Hall sensors, i.e. there are no magnets in the
flow space.
The FLEX transducer located on the sensor has an analog output
(4..20 mA or 0..10 V) and a switching output, which can be
configured as a limit switch for monitoring minimal or maximal, or
as a frequency output.

Flow Switch LABO-RT-S

● Very short response time
● High precision
● No magnetic components in the flow space
● High pressure resistance

Characteristics

A turbine acts as the primary sensor; its rotational speed is
proportional to the flow rate. The rotational speed is detected by
means of pre-tensioned Hall sensors, i.e. there are no magnets in
the flow space.
The integrated converter / counter make available an electronic
switching output (push-pull) with adjustable characteristics
(minimum/maximum) and hysteresis, which responds when an
adjustable limit is fallen short of or exceeded.
The switching value can be set to the currently existing flow using
"teaching".
Models with analog or pulse output are also available.

Flow Transmitter RT-...AK

● High precision

● No magnetic components in the flow space

● High pressure resistance 

 Characteristics :

A turbine acts as the primary sensor; its rotational speed is proportional to the flow rate.

The rotational speed is detected by means of a biased Hall sensors, i.e. there are no magnets in the flow space.

Le contrôleur de débit à palettes en plastique a un axe en titane qui assure une roulement à faible frottement. La palette suit le débit contre la force de deux aimants jouant le rôle de ressorts. L'aimant à palette active également un contact Reed positionné à l'extérieur de la chambre d'écoulement.

Flow Indicator FH-...GR

● No moving parts internally

● Installation location as desired

● For heavily soiled or coloured fluids

● Double-sided large-surface window

● Natural glass

Characteristics :

Devices made from solid red bronze, where the medium can be visually examined through the sight glass (fluid level, colour, bubbles,...)

Technical Data WO1-...GM/K

● No moving parts internally

● Installation location as desired

● For heavily soiled or coloured fluids

● Natural glass, acrylic glass

Characteristics :

Devices made from solid brass, where the medium can be visually examined through the sight glass (fluid level, colour, bubbles,...)

Flow indicator, sight glass WO1-…GM/K

● No moving parts internally

● Internal wiper provides ability to clean the glass without removing the device.

● Installation location as desired

● For heavily soiled or coloured fluids

● 360 ° visibility

Characteristics :

Devices made from solid brass or stainless steel, where the medium can be visually examined through the sight glass (fluid level, colour, bubbles, ...). A wiper makes it possible to clean the sight glass. 

Flow Indicator FQ-...GR

● High temperature resistance

● Double-sided large-surface window

● Natural glass

● Display of flow rate

Characteristics :

Mechanical flow indicator for fluid media. A stainless steel flap in the area of flow is lifted by the volume flow, and indicates the present flow rate

Flow Indicator SK-...GR

● High temperature resistance

● Double-sided large-surface window

● Natural glass

● Display of flow rate

Characteristics :

Mechanical flow indicator for fluid media. A stainless steel flap in the area of flow is lifted by the volume flow, and indicates the present flow rate.