New wattmeter

• To: tesla-at-pupman-dot-com
• Subject: New wattmeter
• From: David Euans <davide-at-mailhost.accesscom-dot-net> (by way of Terry Fritz <twftesla-at-uswest-dot-net>)
• Date: Fri, 14 May 1999 16:21:26 -0600
• Approved: twftesla-at-uswest-dot-net
• Delivered-To: fixup-tesla-at-pupman-dot-com-at-fixme

Just wanted to let everyone on the list know about  a  Simpson analog
wattmeter we recently installed on our power supply.  It is a  4.5 inch
meter - wide-vue style, model 1379, catalog # 11000.  It is said to
correct for phase differences as we might find in our coil systems.  The
original meter has a 0-1500 watt range.  We used a 50:5 current
transformer to increase the range to 15 kw.  We also used custom 0 - 15
kilowatt scale.  On a recent run our output meters read 35 amps at 270
volts.  The meter gave a reading of 7.2 kw.  I suspect that this might
be a more accurate measure of our output.  Comments  are welcome.

Dave Euans

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