nuckolls.bob(at)aeroelect
Guest
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 Posted: Mon Jan 10, 2011 5:43 am Post subject: Hall effect/load metering |
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At 02:41 PM 1/3/2011, you wrote:
Mr. Nuckolls,
Although you made a few references in your handbook, I have been unable to find anything else on Hall effect load metering. A few fellows here at EAA 91 have glass engine monitors with Hall effect metering. Any hints on where to buy parts or ready to install package? Was a DIY kit ever developed.
I had some notions of doing a hall effect based
ammeter for the OBAM industry. Even proposed a
package in the 'Connection. Upon further reflection,
I compared the high parts count, the need for
a power supply, drift and calibration challenges
with the elegant simplicity of a shunt and basic
meter movement.
Just couldn't get my juices going for development
of a stand-alone hall-effect load meter. Having
said that, it makes a lot of sense to add a hall-
sensor to an instrumentation package that is already
configured to do a lot of things OTHER than watch
currents. You need add only one more channel of
capability to an already complex system.
So, I've limited our offerings to the hammer-n-tongs
version of the legacy load meter
http://www.aeroelectric.com/Catalog/AEC/9007/
If you're interested in developing you own hall
based load meter, check out the specifications on
this small sampling of hall sensors
http://www.amploc.com/ZAP%20Series.pdf
The ZAP100 could be combined with an instrument like
this
http://tinyurl.com/26y9vmo
with a minimum of additional electronics
to give you a 100A readout with 0.1 amp
resolution.
Bob . . . [quote][b]
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