I have an old blonder tounge bptda-4 - AVS Forum
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post #1 of 2 Old 12-18-2013, 03:44 PM - Thread Starter
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I'm wondering if I should try and use this for aligning my antenna.  It claims to work on digital signals as well.  I don't have the power supply, but it does take batteries, and I"m sure I can work out a 12V supply if that doesn't work.  Is this meter worth messing with or should I move on and try and sell it to a contractor that can actually use it for install work/testing?

Thanks for any info you can provide.

sq

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post #2 of 2 Old 12-18-2013, 04:38 PM
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I have a couple and use them often. You probably need to replace the battery. Last year, I bought a couple of 10 cell, 12 volt packs with 2200mAH charge capacity from http://www.batteryspace.com for $20 each and cut two batteries out of the pack. I cut the plug and wiring off the old pack They can furnish various plugs for reasonable prices and install them, but unless you know plug models, it is more practical to just scavenge your old plug and wires.

I just visited their site and found an even better fit:

NiMH Battery: 9.6V 2200 NiMH Tx Batteries for NT8JY Futaba 4NBL/BF/BP

Your Price: $16.99
In Stock

Product ID # 776

Part Number: RA-HAA8R1HT22

http://www.batteryspace.com/nimhbattery96v2200nimhtxbatteriesfornt8jyfutaba4nblbfbp.aspx


I also found packs of 9.6 volt batteries for $10 but with a lower charge capacity, 700mAH, which may be fine for you but I have to use mine all day and it was worth getting larger capacity batteries for the $10 difference.

http://www.batteryspace.com/custom-nicd-battery-pack-9-6v-700mah-8xaa.aspx


The BTPDA-4 measures down to -45dBmV, whereas the BTPTD-2 only measures down to -35dBmV, so it is a very good meter for detecting and evaluating weak signals. You won't make enough selling it to buy another meter so if you need it, you might as well keep it.
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