From: "Frank Haber" 

>Like this one:
http://cgi.ebay.com/VIZ-AC-POWER-LINE-MONITOR-METER-LIKE-NEW_W0QQitemZ280049962
215QQihZ018QQcategoryZ25411QQssPageNameZWDVWQQrdZ1QQcmdZViewItem

Good Grief.  That's the RCA moving-iron-vane true RMS movement from the
1960s, later VIZ (RCA Service Co./Technician-quality).  They're pretty
accurate, but the bearings used to wear out in five years, if your line
voltage jiggled at all.

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