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
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- For acidic gas
- Yellow > White
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- For acidic gas
- Blue > White
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- For basic gas
- White > Yellow
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- For basic gas
- Red > White
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- Indicator of air cleaner/air conditioner
- Can be used in room temperature/humidity
Used in real life space
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- Indicator of refrigerator/Kimchi refrigerator
- Can be used in refrigerated conditions
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- Caution upon use
- Make sure that water does not contact indicator
Can be polluted when contacting activated carbon
Completely discolors once lifespan is complete
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- Period of use
- Discolored 9-12 months after utilizing air cleaner