User Manual
4
Special Lifetime Warranty 
Series 4028 Power Sensor Head
In addition to its standard warranty, the Bird Electronic Corporation warrants its 
Series 4028 Thruline® Power Sensor Heads for lifetime to original purchaser. This 
extended warranty is against burnout. For the warranty to apply, the Sensor 
Head must be used with the correct Bird Electronic Corporation Display Unit, the 
maximum power rating of the Sensor must not be exceeded, the Sensor RF cir
-
cuit must be properly terminated and the Sensor not subjected to physical 
abuse.
Bird Electronic Corporation, at its option, will repair or replace the defective 
Sensor at its world Headquarters at 30303 Aurora Road, Solon, Ohio 44139.
The customer is responsible to pay transportation charges to return the defec-
tive sensor to Bird.






