Compact single point flow switch, MIN or MAX monitoring options, suitable for water, oil, air, or media with similar thermal conductivities. With screw-in or plug-in type monitoring head for ease of installation and correct positioning. If the flow rate falls below (MIN) or exceeds (MAX) the pre-adjusted value, the signal output will be switched and the yellow LED will light.

Features

• wear-resistant compact design

• switch point adjustable via potentiometer

• media temperature range -25ºC to +100ºC (-13ºF to +212ºF)

• M12 plug-in electrical connection

• LED fault indication

• signal output with HighSide-FET output

• protected against short circuits and overloads

• adapters available for plug-in type

• no moving parts

• flow specification: 0.03 to 9.8 ft/sec (liquids), 2 to 164 ft/sec (gases)

The Miniature Flow Switch SW 112 operates on the proven calorimetric principle and is designed to operate with air or inert gases. Self-contained sensor head with integral electronic circuitry.

Features

• adjustable to wide range of flow rates

• no moving parts in the flow stream

• LED status indication

• relay output for flow

• fast response time

• suitable for air and inert gases

• mounting by flange (part of product) or PG cable gland (accessory)

• flow specification: 2 to 65 ft/sec 

Single point flow switch with change over MIN/MAX monitoring function, suitable for water, oil, air and media with similar thermal conductivities (selectable by means of a medium switch). Available with no delay or with a 60 second switch-on delay or 10 second change-over delay.

Features

• AC or DC operated

• adjustable to wide range of flow rates

• no moving parts in the flow stream

• operation largely independent of pipe diameter

• LED status indication

• fast response time

• medium temperature range -25ºC to +70ºC (-13ºF to +158ºF)

• flow specification: 0.03 to 7 ft/sec (liquids), 2 to 160 ft/sec (gases)

Single point flow switch with change over MIN/MAX monitoring function, suitable for water, oil, air and media with similar thermal conductivities (selectable by means of a medium switch).  Available with no delay or with a 60 second switch-on delay or 10 second change-over delay.

Features

• AC or DC operated

• medium temperature range up to +100ºC (+212ºF)

• flow specification: 0.03 to 7 ft/sec (liquids), 2 to 160 ft/sec (gases)

Single point flow switch (SU 1003), dual point flow switch (SU 1004), with change over MIN/MAX monitoring function, suitable for water, oil, air and media with similar thermal conductivities. With either no delay, or with a 60 second switch-on delay or a 10 second change-over delay (SU 1003).

Features

• AC or DC operated

• adjustable to wide range of flow rates

• no moving parts in the flow stream

• operation largely independent of pipe diameter

• LED status indication

• fast response time

• medium temperature range -25ºC to +70ºC (-13ºF to +158ºF)

• SU 1004 can be used as flow and temperature switch

• flow specification: 0.03 to 7 ft/sec (liquids), 2 to 150 ft/sec (gases)

Level sensor NR 60 is designed to monitor water, oils and fuels. It is the ideal solution for a wide range of uses, especially in the automotive and marine industry.

Features

• EMC tested transistor output

• no moving parts

• maintenance free

• overload/short circuit protected

• environmental protection class up to IP69

• customized signal delay and response time possible

• 1 A signal output up to +125ºC (+257ºF)

Level sensor NR 80 is designed to monitor a preset medium level in electrically non-conductive containers with a wall thickness up to approximately 5mm. It is fitted outside the container. Suitable for water and other electrically conductive liquids with a high relative dielectric constant.

Features

• non-invasive mounting

• transistor output

• minimum or maximum sensor

• LED status indication

• very small physical size

Level sensor NR 100 is designed to monitor liquids, granules, and powder. It is especially suitable for aggressive media and food processing. Available as MIN or MAX monitor.

Features

• MIN or MAX sensor

• transistor output

• maximum medium temperature +130ºC (+266ºF)

• LED status indication

Level sensor NR 150 is suitable for liquids with a low relative dielectric constant (e.g. oil). With MIN/MAX selector switch.

Features

• status indication by 2 LEDs

• suitable for general industrial applications

• recommended for oil or media with similar electrical conductivity

• MIN/MAX selector switch

• transistor output

• maximum medium temperature +130ºC (+266ºF)

• cable connection via cable gland PG7 or M12 connector

Level sensor NR 160 is designed to monitor liquids and powders with a high relative dielectric constant. With MIN/MAX selector switch.

Features

• status indication by 2 LEDs

• recommended for granules, powder, water and other electrically conductive media

• MIN/MAX selector switch

• transistor output

• maximum medium temperature +130ºC (+266ºF)

• cable connection via cable gland PG7 or M12 connector

Capacitive level sensor NR 200 is designed to monitor oil and media with low relative dielectric constant. With MIN/MAX selector switch.

Features

• LED status indication

• maximum medium temperature +85ºC (+185ºF)

• relay output

• switch delay, 1-60 seconds adjustable

The NG 03 power supply is suitable for E-T-A level sensors NR 60, NR 80, NR 100, NR 150, and NR 160.  It has a relay output with adjustable switching delay which is controlled by the signal output of the sensor.  Status indication is by green LED.  Power failure and wire break are indicated in the same way as incorrect medium level (closed circuit principle).

Features

• DIN rail mounting

• relay output with adjustable switch-off delay

• LED status indication

• output voltage DC 24V, 50 mA