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Tried to send this yesterday, but it bounced. I haven't worked out all the problems of using the internet while traveling.
Hi Bill,
What you are planning will work fine. I would use a butt crimp connector to transition from the TC wire to the copper. Mainly because it would be less bulky than the ring connectors. When I build TC cables I only use the crimp pins just to minimize the number of joints. You are making basically the same transistion a few inches further from the connector.
One thing to keep in mind with these TC measurements is that they are NOT high precision measurements. If you have a 10 or 20 degree error in your EGT measurement, it's no big deal. You just want to a consistent reading which means the errors shouldn't vary much as the ambient temperature changes.
Bob W. (Enjoying a "brisk" day in the north country.)
On Wed, 11 Oct 2006 07:41:27 -0400
"Bill Bradburry" <bbradburry@allvantage.com> wrote:
I have been slowly building the harnesses for the EC and EM-2. I now
have arrived at the P1 connector on the EM-2. This supplied connector
is a solder connector to be connected to J and K thermocouple
wire....Hmmm. You can not solder this wire....Hmmm.
I have considered buying a crimp connector, BUT there is going to be a
transition joint from thermocouple wire to copper at some place inside
this apparatus no matter what you do.
So what I am going to do is make up copper jumpers that solder to the
connector and terminate with crimped ring terminals for connection to
the thermocouple wires. The connection will be inside the panel and I
think will introduce a minimum of error in the system.
Any comments or a better way to think of this?
Bill Bradburry
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