Factors:
-battery life
-type of battery (9V other? )
-storage (volatile?)
-logging duration, # of data points
-graph v/s numerical display

careful, don't saturate the detector head with excess humidity



On Mon, Dec 19, 2016 at 1:19 PM, Joyce Koo <[log in to unmask]> wrote:

> Ed, Wayne and Brian,
> Many thanks for all your help.  Fisher is too pricy.  I would check the
> Sling and Sensirion.
> Thanks again.
>                joyce
> > If you can deal with USB interface, I find these are pretty accurate.
> >
> > http://www.dlpdesign.com/usb/th1.shtml
> >
> > It uses a Sensirion brand sensor,  SHT11 If I remember correctly.
> >
> >
> >
> > On Mon, Dec 19, 2016 at 9:05 AM, Joyce Koo <[log in to unmask]> wrote:
> >
> >> Gurus,
> >> can anyone suggest a portable humidity meter capable of range 20-90 %RH,
> >> with reasonable accuracy?  Many thanks in advance.
> >> Regards,
> >>               joyce
> >>
> >
> >
> >
> > --
> > Brian Stumm
> > ETS, Inc.
> > +1-509-276-2015
> >
>



-- 
Bhanu Sood
Tel: (202) 468-8449