Technical information

The outline, operating principle, and application examples of level switches and level meters
(float type, capacitance type, vibration type, paddle type, ultrasonic wave type, etc.)
Capacitance level switches and level meters
(The detection principle, capacitance and dielectric constant, table of dielectric constants, etc.)
Terms used in product specifications
(IP protection class, explosion proof structure, free-range power supply, etc.)

 

The outline, operating principle, and application examples of level switches and level meters

This page introduces the basics of level switches and level meters, and presents the operating principles of detection and measurement, and some application examples.

What are the level switch and level meter?

This section explains the basics of level switches and level meters, as well as typical uses.

Operating principles of capacitance level sensors and application examples

Use the foliage of plants as a burglar sensor! - Detect sauce - Measure the powder level in a pressed powder supply mechanism

Operating principles of float type level switches and application examples

Level switch that can measure both temperature and level at once - Float type level meter with wide measuring range

Operating principles of vibration level switches and application examples

A vibration level switch that can detect in a small space - Detects the level of sediment in a liquid

Operating principles of paddle type level switches and application examples

A level switch that can detect lumps ? A level switch that is used by hanging it on a pipe

Operating principles of continuous capacitance level switches and application examples

Level meters on glass gauges with no contact - Continuous measuring of bubbles

Operating principles of ultrasonic wave level meters and application examples

Ultrasonic wave level meters that are easy to tune in the field - Detect objects on a conveyor belt

 

Capacitance level switches and level meters

This section introduces details of capacitance, which is used as the operating principle for continuous level meters and water content measurement, and technical information about them.

Principles of detection by capacitance level switches

This page explains the basic principles and outlines capacitance level switches and their mathematics.

The capacitances and dielectric constants of the substances

This page explains capacitance and the dielectric constant, which are the basis of capacitance measurement.

Table of dielectric constants of substances

This table lists dielectric constants (relative dielectric constants) of various substances in alphabetical order.

 

Terms used in product specifications

This page explains the terms used in our leaflets and our specifications for level switches and level meters.

IP Protection class

Classes to explain the protection level used to prevent water and solids from entering a sensor housing.

Fail-safe function

Function to make sure measuring equipment stays on the safe side if a malfunction or problem occurs.

Explosion-proof structure

Sensor equipment that is designed to not be a fire hazard in the presence of combustible substances.

Free-range power supply

This page explains our free-range power supply system, which can be widely used in all the countries of the world.