[BC] BE AM-1A Transmitter Air filter Heads-up!!

[RichardBJohnson at comcast.net]

If metal from a metallic filter is coming apart, this might point out a severe problem that needs to be addressed --corrosive gasses or particles in the air. I remember a transmitter in Bayonne, New Jersey that lasted about one month. There was so much hydrogen sulfide in the air from the refineries that the site was unworkable. The tower fell down at the end of the year. Standard Oil, which owned the refinery, was forced to purchase the transmitter site because they had rendered it unusable. Fortunately, the radio station had access to good lawyers. I don't think there any radio stations licensed to Bayonne anymore!

Cheers,
Richard B. Johnson
Book: http://www.AbominableFirebug.com/

----- Original Message -----
From: "Jeff Welton" <welton.jeff at gmail.com>

Just as long as you keep in mind the airflow throughput.  As an example, the filter media in our older ND series AM's (picking them because it's the one I can remember off the top of my head), was 30ppi (30 pores per inch - I forget the CFM rating).  If you replaced it with a smaller ppi count, you stood a good chance of watching modules shut down as heat went up.  Always best to get the specs on what you are replacing and what you want to replace it with - especially these days where heat can be one of the bigger factors in failure rates.
 
Best,
 
Jeff

Jeff Welton
Regional Sales Manager - Central U.S.
Nautel
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