HUMIDITY INDICATOR CARD, 10 - 60 %
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HUMIDITY INDICATOR CARD, 10 - 60 %
Definition
Card impregnated dots with a humitiy indicator solution varying in concentration. The numbers inside the moisture sensitive spots indicate the relative humidity with a visible colour change from blue to pink.
Indicated for humidity monitoring during the storage DBS/DPS cards for DNA-PCR.
Specifications
Technical specifications
- Paper card with different humidity indicators
- 6 dots containing varying concentration of a humidity indicator to measure : 10,20, 30, 40 50 and 60% measuring the relative humidity
- Colour change from blue to pink when the % of relative humidity is reached
- Reverse process: drop in humidity is shown through the reverse process of colour change
Instructions for use
The card should be used with silicagel bags that absorb the ambient humidity.
When the relative humidity rate reaches 30% the silicagel bags must be replaced.
The colour reaction of the humidity indicator card, however, can be delayed through low temperature levels during winter time, a lack of air circulation between humidity indicator and drying agent or foils not suitable for the purpose.
Waste management
Substance may have hazardous characteristics. Please contact your watsan referent for advice on proper disposal.
Detailed hazard and precautionary information can be found in the safety data sheet (SDS).