Today's Message Index:
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1. 11:42 AM - Clamp On DC Multimeters... (Greg Campbell)
2. 12:10 PM - Re: Clamp On DC Multimeters... (Hinde, Frank George (Corvallis))
3. 09:49 PM - Re: Clamp On DC Multimeters... (jetboy)
4. 10:36 PM - Re: DIY Intercom System (az_gila)
5. 11:49 PM - PM ALTERNATOR AC OUTPUT (Peter H)
6. 11:52 PM - Re: Zener Diodes (Peter H)
Message 1
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| Subject: | Clamp On DC Multimeters... |
I stumbled across this clamp on DC ammeter at:
http://www.powerstream.com/DC-clamp.htm
Does anybody have any experience with these
or similar ones?
Thanks in advance,
Greg
Message 2
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| Subject: | Clamp On DC Multimeters... |
Your first clue is that it is expensive...that tells you its about what
you should pay.
But answer me this...Why on Earth would you want to spend that kind of
money?...HArbor freights $2.50 multimeter has a 10A shunt (namely will
measure up to 10 amps) . This should be adequate for 1/100th of the
cost.
Incidently the HF multimeter is very accurate...at least mine is.
Frank
________________________________
From: owner-aeroelectric-list-server@matronics.com
[mailto:owner-aeroelectric-list-server@matronics.com] On Behalf Of Greg
Campbell
Sent: Friday, April 20, 2007 11:42 AM
Subject: AeroElectric-List: Clamp On DC Multimeters...
I stumbled across this clamp on DC ammeter at:
http://www.powerstream.com/DC-clamp.htm
Does anybody have any experience with these
or similar ones?
Thanks in advance,
Greg
Message 3
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| Subject: | Re: Clamp On DC Multimeters... |
Greg,
You might find a similar one for your needs at Newark / Farnell / Radiospares
catalogues. ISO - Tec is a nice small low cost type or go for a Fluke.
My one is 400 amps DC Sanwa and works well. If you are going to measure starter
currents you will need this range. This is a required item for diagnosing Rotax
912 problems as described in their SB. Clamp meters are very handy for checking
current drain and charging systems. A normal DMM with 20A range can do
most things but many of the clamp meters include the DMM functions too.
Ralph
--------
Ralph - CH701 / 2200a
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=108247#108247
Message 4
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| Subject: | Re: DIY Intercom System |
I'd like to see a easy (cheap) audio mixer for use with a commercial intercom.
Simple panels probably only have 3 or 4 audio sources (including alerts) and a
full audio panel is way overkill. Most folks don't even use the speaker any more,
so phones only are OK.
I was thinking of a simple audio mixer and a Tx1/Tx2 switch.. perhaps from a ready
made kit... such as this one...
http://store.qkits.com/moreinfo.cfm/FK652
Would like to hear other suggestions....
gil in Tucson
PS I got a working PM1000 intercom for $50 on e-bay, so the intercom bit is taken
care of...
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=108248#108248
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| Subject: | PM ALTERNATOR AC OUTPUT |
Hi,,
I have only 0.2V AC output from the stator of my single phase PM alternator when
the battery is disconnected. Is this correct?
Is there any way to get full regulated DC output from a PM alternator if the battery
is isolated from it?
Thanks,
Peter H
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=108255#108255
Message 6
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| Subject: | Re: Zener Diodes |
How about a series resistor, say a panel bulb. Choose the wattage to suit?
Peter H
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=108256#108256
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