Technical Introduction

Technical Introduction

YUMINST has made the utmost efforts to develop and manufacture sensor technology in the order of 4th-generation film-type sensors, 5th-generation recyclable sensors, 6th-generation multi-leak sensor modules and 7th-generation magnetic resonance (induction)-type sensors for detecting liquid leaks.

Characteristic Sensor
Cable Sensor
Point Sensor
Band Sensor
Area Sensor
Generation
1st
2nd
3rd
Shape
Detection principles
Detect liquid leaks using resistance change following length displacement of cables
Detect existence of liquid depending on differences in a refractive index of beams of photo sensors and liquid
Perform detection with electric shorts when conductive liquid contacts two metal bands carrying an electric current
Detect liquid leaks with electric current value between conductors after sending the electric current to tens or hundreds of sensitive lines
Sensor durability
High
Middle
High
High
Fixing method/
Maintenance and repairing convenience 
Low
Middle
Middle
Middle
Response speed
Slow
Slow
Slow
Fast
Recyclability
Possible (after repair)
Impossible
Impossible
Possible
Sensor/Installation cost
High
Low
Middle
High
Strong·weak points
  • Easy piping and underground laying
  • Recyclable after repair
  • High maintenance and repair costs
  • Difficult fixing methods
  • Frequent detection errors
  • Function of distance detection
  • Simple detection of limited parts
  • High installation costs for covering areas
  • Limited application for various areas
  • Exact detection locations needed
  • Easy pipe wrapping
  • Easy cable tie fixing
  • Unrecyclable
  • Narrow detection parts and sensitive to moisture – resulting in many inferior goods
  • Can change product specifications according to purposes
  • Recyclable
  • Inconvenient installation and high maintenance and repair costs
Characteristic Sensor
Film-Type Sensor
Recyclable Sensor
Multi-Risk Sensor Module
Magnetic Inductive Sensor
Generation
4th-Generation
5th-Generation
6th-Generation
7th-Generation
Shape
Detection principles

Liquid contacts a resistance wire and conductivity wire to detect voltage change of internal resistance crossing on a circuit

Sense chemicals or organic solvents using film or conductive high molecular substances which are strong for chemical solutions and recyclable
Can be easily installed through connecting multiple sensors and alarm modules in series and can confirm district locations
Detect current change following conductivity change of conductive liquid at magnetic fields
Sensor durability
Middle
Middle
Middle
High
Fixing method/
Maintenance and repairing convenience
Tape adhesion Fixing clip/High
Tape adhesion Fixaing clip/High
Tape adhesion Fixaing clip/High
Tape adhesion Fixing clip/High
Response speed
Fast
Fast
Fast
Very Fast
Recyclability
Possible (after repair)
Possible
Possible
Semipermanent
Sensor/Installation cost
Middle
Middle
Middle
Middle
Strong·weak points
  • Easy manufacturing and highly competitive price
  • Very low installation and maintenance / repair costs
  • Fast response speed (1~3sec)
  • Require the smallest liquid leak detection liquid
  • Water-proof and explosion-proof certification
  • Easy manufacturing and highly competitive price
  • Very low installation and maintenance / repair costs
  • Recyclable
  • Fast response speed (3~40sec)
  • Require the smallest liquid leak detection liquid
  • Water-proof and explosion-proof certification
  • Can confirm locations between zones through the existence of the communication function
  • Can be easily installed and maintained
  • Recyclable
  • Installable indoor and outdoor
  • High multi-sensing possibility
  • The world’s first magnetic inductive leak sensor
  • Semipermanently recyclable
  • Very fast response speed (1~2sec)
  • Highly durable
  • Installable indoor and outdoor

YUMINST has made the utmost efforts to develop and manufacture sensor technology in the order of 4th-generation film-type sensors, 5th-generation recyclable sensors, 6th-generation multi-leak sensor modules and 7th-generation magnetic resonance (induction)-type sensors for detecting liquid leaks.

Characteristic Sensor
Cable Sensor
Point Sensor
Generation
1st
2nd
Shape
Detection principles
Detect liquid leaks using resistance change following length displacement of cables
Detect existence of liquid depending on differences in a refractive index of beams of photo sensors and liquid
Sensor durability
High
Middle
Fixing method/ Maintenance and repairing convenience
Cable Tie/Low
Bolting/Middle
Response speed
Slow
Slow
Recyclability
Possible
(after repair)
Impossible
Sensor/Installation cost
High
Low
Strong·weak points
- Easy piping and underground laying
- Recyclable after repair
- High maintenance and repair costs
- Difficult fixing methods
- Frequent detection errors

- Function of distance detection

- Simple detection of limited parts

- High installation costs for covering areas

- Limited application for various areas

- Exact detection locations needed

Characteristic Sensor
Band Sensor
Area Sensor
Generation
3rd
Shape
Detection principles
Perform detection with electric shorts when conductive liquid contacts two metal bands carrying an electric current 
Detect liquid leaks with electric current value between conductors after sending the electric current to tens or hundreds of sensitive lines
Sensor durability
High 
High
Fixing method/ Maintenance and repairing convenience
Cable Tie/Middle
Bonding, Bolting/Middle
Response speed
Slow 
Fast
Recyclability
Impossible
Possible
Sensor/Installation cost
Middle 
High
Strong·weak points

- Easy pipe wrapping

- Easy cable tie fixing

- Unrecyclable

- Narrow detection parts and sensitive to moisture – resulting in many inferior goods

- Can change product specifications according to purposes

- Recyclable

- Inconvenient installation and high maintenance and repair costs

Characteristic Sensor

Film-Type Sensor

Recyclable Sensor

Generation

4th-Generation

5th-Generation

Shape

Detection principles

Liquid contacts a resistance wire and conductivity wire to detect voltage change of internal resistance crossing on a circuit

Sense chemicals or organic solvents using film or conductive high molecular substances which are strong for chemical solutions and recyclable

Sensor durability

Middle

Middle

Fixing method/ Maintenance and repairing convenience

Tape adhesion Fixing clip/High

Tape adhesion Fixing clip/High

Response speed

Fast

Fast

Recyclability

Possible (after repair)

Possible

Sensor/Installation cost

Middle

Middle

Strong·weak points

- Easy manufacturing and highly competitive price

- Very low installation and maintenance / repair costs

- Fast response speed (1~3sec)

- Require the smallest liquid leak detection liquid

- Water-proof and explosion-proof certification 

- Easy manufacturing and highly competitive price

- Very low installation and maintenance / repair costs

- Recyclable

- Fast response speed (3~40sec)

- Require the smallest liquid leak detection liquid

- Water-proof and explosion-proof certification

Characteristic Sensor
Multi-Risk Sensor Module 
Magnetic Inductive Sensor
Generation
6th-Generation
7th-Generation
Shape
Detection principles
Can be easily installed through connecting multiple sensors and alarm modules in series and can confirm district locations
Detect current change following conductivity change of conductive liquid at magnetic fields
Sensor durability
Middle
High
Fixing method/ Maintenance and repairing convenience
Tape adhesion Fixing clip/High
Tape adhesion Fixing clip/High
Response speed
Fast
Very fast
Recyclability
Possible
Semipermanent
Sensor/Installation cost
Middle
Middle
Strong·weak points

- Can confirm locations between zones through the existence of the communication function

- Can be easily installed and maintained

- Recyclable

- Installable indoor and outdoor

- High multi-sensing possibility

- The world’s first magnetic inductive leak sensor

- Semipermanently recyclable

- Very fast response speed (1~2sec)

- Highly durable

- Installable indoor and outdoor