[Boatanchors] Fuse lamp in TV/7 Tube tester.

[Barry L. Ornitz]

Rodney Bunt, VK2KTZ, wrote:

> My Fuse lamp is blown !!!
> 
> In the TV/7 manual it says it is a type 81, the lamp I have 
> is a type 83 on the side of the lamp (probably why it has 
> blown)
>
> What are the specs on this lamp Volts / Amps ????

According to the Chicago Miniature Lamp, Inc.'s "Design 
Engineers' Handbook" the specifications are listed below:
(Print in a fixed width font.)

Type:                81                83
Bulb:                G-6               G-6
Base:                Single Contact    Double Contact
                     Bayonet           Bayonet
Design Voltage:      6.5 V             6.5 V
Current:             1.02 A            1.15 A
MSCP:                6.0               6.0
Life, hours:         500               1200
Filament Type:       C-2R              C-2R
        
Are you sure the lamp in your unit is an 83?  The bases are 
quite different and not compatible.  Typical suppliers in the 
USA include Newark, Allied, etc.

        73,  Barry     WA4VZQ     ornitz@tricon.net