Is a Level Switch a Sensor?

Yes, a level switch is a type of sensor used to monitor and control the level of liquids or solid materials in various containers. It works by detecting when a certain level has been reached and then sending a signal to start or stop a process, such as filling or emptying a container.

The Difference Between a Level Switch and a Traditional Level Sensor

Although a level switch is technically a level sensor, there are some key differences:

  • Level switches typically function as an on/off switch, activating when a predetermined level is reached. This makes them ideal for preventing overfilling or dry running.
  • Level sensors, on the other hand, can provide continuous measurement, meaning they report the exact level in real-time rather than just indicating whether a specific threshold has been met.

How Does a Diaphragm Level Switch Work?

A diaphragm level switch, such as our Elniva level switches, uses a rubber diaphragm that is pressed inward when the material level reaches the sensor. This pressure activates a micro-switch, which then sends a signal to take action, such as stopping a filling process or triggering an alarm function.

Why Choose a Level Switch?

Level switches are a cost-effective and robust solution for many industries where simple and reliable level monitoring is needed. They are commonly used in:

✔️ Silos and containers for grain, pellets, and sand
✔️ Sewage systems and water treatment plants
✔️ Fuel tanks and chemical processes

🔹 Looking for a reliable level switch for your system? Check out our range of Elniva diaphragm level switches and find the optimal solution for your business.

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Two questions – one answer

Which switch do you need?

Four models, one price. Answer two questions and we will show the right one.

1. Where will the switch be mounted?
2. How is it mounted?Not sure? Choose the first – it suits most installations.
NV14P
Your match

NV14P

Level switch for silos and vessels. Flange-mounted in a thin wall, it signals when the material reaches the diaphragm – for grain, feed, pellets, wood chips, sand and gravel.

3 995 kr excl. VATIn stock in Stockholm

Order today – despatched by within 2 working days. EU companies buy VAT-free with a VAT number.

More about NV14P

Datasheet (PDF) · Not sure? Email us a photo of your installation

NV14P-KM
Your match

NV14P-KM

The same switch as the NV14P, but with a compensation diaphragm instead of an air filter. It can sit inside the silo and copes with moisture and heavy dust. IP65.

3 995 kr excl. VATIn stock in Stockholm

Order today – despatched by within 2 working days. EU companies buy VAT-free with a VAT number.

More about NV14P-KM

Datasheet (PDF) · Not sure? Email us a photo of your installation

NV10P
Your match

NV10P

Overflow protection for screw, belt and elevator conveyors. The small diaphragm only trips when material genuinely builds up – not as it passes normally.

3 995 kr excl. VATIn stock in Stockholm

Order today – despatched by within 2 working days. EU companies buy VAT-free with a VAT number.

More about NV10P

Datasheet (PDF) · Not sure? Email us a photo of your installation