
IN STRUC TION BOOK
OP ER ATING IN STRUC TIONS
WITH PARTS LIST
MODEL 4450
THRULINE
®
WATTMETER
© Copy right 1994 by Bird Elec tronic Cor po ra tion
In struc tion Book Part Num ber 920-4450-1 Rev.B
THRULINE® is a reg is tered trade mark of Bird Elec tronic Cor po ra tion