Re: [humidity gauges]

From: 	Jim Lux[SMTP:jimlux-at-earthlink-dot-net]
Sent: 	Saturday, December 06, 1997 11:30 AM
To: 	Tesla List
Subject: 	Re: [humidity gauges]

> A few months ago Fair Radio Sales, Lima, OH, had some nice 6 inch dia.
> humidity gauges for about $10.  We added one to the lab wall about 3
> ago and it works great -- use it more for checking performance on Van de
> Graaffs than on TC's, but you can always check the RH in your lab and the
> cost if reasonable.

Radio Shack also has battery powered hygrometer/thermometer combinations
for about $20. We make clouds and fog a lot at work, and find that the RS
units work just fine for standardizing conditions. Of course, they aren't
sensitive to glycol vapors which is what we use for some fog, but, oh