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In case anyone want a small and pretty cheap hydrometer (and thermometer at once), I suggest looking at these 2:

Mini 1.6" LCD Digital Thermometer Hygrometer - White + Black (1 x LR44)

Mini 2.0" LCD Car / Indoor Thermometer / Hygrometer - Black (-10'C~50'C / 20%~95% RH / 1 x LR44)

I've ordered both :)

US folks! Be aware, that only the first one displays the temperature both in C and in F!


DX.com sells all kind of made-in-china stuff, it's cheap, somewhat relaible and the shipping is free! It usually takes 2-3 weeks to get the order from mainland China to Denmark (North Europe).

PS: I am in NO WAY related to dx.com and this is NOT an advertizment, but a helping hand to those who needs a cheap hydrometer :)

Update #1 / 4th Sept 2013[]

Hydrometer - 2 different products

I got both of them in the mail box today. They are quite small and handy which is good.

At the current moment I have my doubts which one is good and which one is not that good - both of them show the same temperature, but the humidity is quite different. I placed both of them on the table outside, side by side. After one hour, one of them shows 75% (white) and the other one shows only 66% (black).

Both of them have specified, that the humidity measurement accuracy is +/- 5%RH (40%-80%).

Hmm... I guess I'll have to find an extra hydromter somewhere to compare these 2 to that one - that will give me an indication of which one is the most correct one.

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