HHD 24 egg clear top incubator humidity sensor

[Honestinjun123]

I'm on about round 10 of hatching using this incubator and now that I have reached a suitable way of maintaining humidity (I place a couple of upturned deodorant lids in the trays like dummy eggs and drill 8mm holes in the lid above them and use a syringe to fill and empty these - much more controllable than the scattergun flooding of the underfloor channels), I find it woks pretty well except for 1 thing:

The humidity sensor appears to only operate up to 76 degrees above which it displays EE and sets off an alarm. This is not an issue during days 1-18 and even during lockdown where I set humidity at 65 degrees.

When eggs start hatching however, the wet chicks cause humidity to soar and I end up with an alarm sounding for hours at a time until the chicks can be relocated in their brooder.

Does anyone know of a way to either change the sensor ceiling so it can go higher than76 degrees or alternatively how to disable the alarm, as the need to monitor the humidity level by this point is far less important to me than peace and quiet.

 

[swampfox440]

Maybe you can use PWM ( pulse width modulation) but you need get into your circuit board. or another option would be to add a relay circuit where the relay would cut the power to the sensor when it hits 76

 

[FancyFeathers2020]

Hello,

I purchased an HHD incubator and just hatched out my first batch of baby chicks. The 2 fans in the incubator are covered with white plastic slats (presumably "guards"). It is best practice to keep chicks in the incubator until they are dry before moving them to the brooder. 2 of my baby chicks put their beaks easily into the fan (the slats are way too far apart to keep the little babies safe). THE FANS CHOPPED THE ENDS OF THEIR BEAKS OFF!!!!! The little injured chicks bled all over the incubator and I had to remove all the chicks right after they were born and blow their little wet bodies dry by hand with a hair dryer. (incubator is WAY too humid)