According to a table of Conversion Factors that I found on page 18 of the
December 1991 Electrical Manufacturing magazine, and keep stashed in my
dictionary here at work:
Watts * 3.413 = BTU's/hour
I use the maximum input power (wattage) that we have measured for a product in
its various operating modes, after it has been turned on and warmed up for a
while. Every time that I have been asked the question it is in the context of
calculating the air-conditioning requirements for a customer site.
John Barnes
Advisory Engineer
Lexmark
International
s_douglas%[email protected] on 04/27/99 10:47:28 AM
Please respond to s_douglas%[email protected]
To: emc-pstc%[email protected]
cc: (bcc: John Barnes/Lex/Lexmark)
Subject: Heat Calculation
Hello,
Does anyone know how to compute heat dissipation for a product given mains
power input (volts, amps, watts)?
Our spec sheets always list heat dissipation (e.g. 1,000 BTU/hour) for
each product and I wonder where the number comes from and why it never
changes from one product to the next.
Thanks for any comments received.
Scott
[email protected]
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