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Author Topic: bird 8813 dummyload  (Read 1008 times)
DU2AVC
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Posts: 14




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« on: December 18, 2002, 03:53:37 AM »

could someone help me with the specifications of the BIRD model 8813 with the operational freq., wattage, etc.

73 de DU2AVC
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WB2WIK
Member

Posts: 20666




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« Reply #1 on: December 18, 2002, 04:38:23 PM »

I don't think that's a valid Bird model number, OM.

Look again at the label plate and let us know all the numbers printed on it.  Usually, (most) Bird loads have the ratings printed right on the same plate; however, some of the special ones might not.

WB2WIK/6
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DU2AVC
Member

Posts: 14




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« Reply #2 on: December 22, 2002, 07:32:28 PM »

from the name plate of the "unit", it says the following:

TERMALINE COAXIAL RESISTOR
Model : 8813
Watts : 1000
Serial : 133
Ohms : 50


printed on the chasis:

Max. power rating
1200 W        1000 watts
1/2 hr.        cont.

Thanks
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WB2WIK
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Posts: 20666




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« Reply #3 on: January 02, 2003, 11:47:07 AM »

Sounds as though you've answered your own question.  The identity plate on the product stated the impedance and power rating, and evidently omitted the frequency coverage for some reason.

Model 8813 doesn't show up in any of my Bird catalogs, so I'm guessing it was something especially made for a contract (with the government, or a telecommunications company); however, most all Bird Coaxial Resistors are rated "DC" through at least 1 GHz, and many are good to 2 GHz or higher.

WB2WIK/6
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DU2AVC
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Posts: 14




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« Reply #4 on: January 06, 2003, 03:24:51 AM »

yes except with the operational frequency which worries me.

"the connector has two terminals inside aside from the chasis ground. one tech. guy told me to use just one of the terminals and that would be fine for 50 ohms."

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DU2AVC
Member

Posts: 14




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« Reply #5 on: October 06, 2004, 11:56:57 PM »

What type of oil is used in this types of dummy loads?
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