Dry box temperature and humidity level

[oscarsean]

Hi all,

My dry box humidity level and temperatures changes thru the day. For example morning will be like 47% then afternoon 48% then evening 47% then now night 48%. Is this normal?

Thanks

 

[Edwin Francis]

Yes. It doesn't really matter. Unless perhaps you notice a constant trend in one direction or the other.

 

[S2Glow]

same to me too but doesnt matter.

 

[Octarine]

In contrast to popular belief and complaints - the temperature does change during the day

 

[oscarsean]

now the RH has drop to 39%

i'm using a Digi-cabi dry cabinet, how to know which colour zone to turn the knob to? Green, blue or red zone? the instruction manual never clearly specify what colour means what level

 

[yyD70S]

Turning clockwise towards the 'Red zone' lowers the RH; likewise, turning towards the 'Green zone' raises the RH.

The RH (& temp) do fluctuate slightly (adjusting to the environment) even if you do not open the cabinet often.

From my experience, RH of between 45-55 is ideal for photographic lenses; especially so if your lenses are those with in-built AF motor.

 

[oscarsean]

thanks yyD70S for the info, currently i turn the knob as what you said to the 'green zone' to raise the RH as now it's 40%. However, after an hour or so there doesn't seem to have any difference in the reading.

 

[oscarsean]

decided to off and on my dry cabinet, now the fan logo is not moving anymore, only the temperature is moving

is it something wrong?