Indicator
· Technology · Technical · Indicator
Lifespan indicator (Alarm for replacement of deodorizing filter)

Operating mechanism of deodorizing filter lifespan indicator

Analogue Sensitive
Acceleration of technological innovation > Rise of analogue sensitive as a differential product competitiveness
Consumers value sensual factors more than product performance
Current performance of deodorizing filter lifespan indicator
Induce color change by acidic and basic gas > Induce color change by impregnating indicator to activated alumina ball
Choose color that can easily be recognized by customers
-
- For acidic gas
- Yellow > White
-
- For acidic gas
- Blue > White
-
- For basic gas
- White > Yellow
-
- For basic gas
- Red > White
-
- Indicator of air cleaner/air conditioner
- Can be used in room temperature/humidity
Used in real life space
-
- Indicator of refrigerator/Kimchi refrigerator
- Can be used in refrigerated conditions
-
- Caution upon use
- Make sure that water does not contact indicator
Can be polluted when contacting activated carbon
Completely discolors once lifespan is complete
-
- Period of use
- Discolored 9-12 months after utilizing air cleaner