Here is one I bought, actually I bought a second one later:
http://cgi.ebay.com/Analog-Hygromet...ryZ11675QQssPageNameZWDVWQQrdZ1QQcmdZViewItem
All metal and glass construction, inexpensive ($5.00 ship included).
Can be easily calibrated (mine was right on the spot).
Size of a large man's watch will fit in any bator.
If you can beat that let me know.
http://cgi.ebay.com/Analog-Hygromet...ryZ11675QQssPageNameZWDVWQQrdZ1QQcmdZViewItem
All metal and glass construction, inexpensive ($5.00 ship included).
Can be easily calibrated (mine was right on the spot).
Size of a large man's watch will fit in any bator.
If you can beat that let me know.