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The EGT channels should be pretty accurate over the full range. Less calibration for these is necessary because a temp compensated thermocouple interface chip is used in the EM2/3.
The EGT bar graphs are the only thing that don't read below 1000 deg. Temps below that are not significant (for EGT). The bargraph can then have higher resolution over the range of interest.
Tracy
On Wed, Feb 8, 2012 at 11:27 PM, <bktrub@aol.com> wrote:
The egt can't read anything below around 800-1000 accurately f if I recall correctly. I don't recall exactly, but it's several hundred degrees, maybe as low as 180 or so when the engine is ambient- around 50 today.
Brian Trubee
-----Original Message-----
From: Bill Bradburry < bbradburry@bellsouth.net>
To: Rotary motors in aircraft < flyrotary@lancaironline.net>
Sent: Wed, Feb 8, 2012 8:17 pm
Subject: [FlyRotary] Re: one more thing
Speaking of EGT calibration. If the EGT reads ambient air temps accurately, does that mean that it is accurate throughout its range??? If not, how do you check the temp when it is reading 15-1600 degrees??
Bill B
Also, I forgot to mention- in looking at the calibration for my EGTs I have the same settings for both- Scale factor is 1.943 and the low end offset is 38. Is this the correct factory setting?
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