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| The
Engine Data Management 930
system is the most advanced
and accurate piston engine-monitoring
instrument on the market.
TSO'd as a PRIMARY instrument
and for quality, the EDM
930 is not just another black
box along for the ride. It
is a Flight Engineer ...
a Maintenance Manager ...
a Backup Instrument. For
the price there is nothing
that gets close to it. You
can almost think of the EDM
930 as your personal flight
engineer. It's always there,
working in the background,
constantly watching over
your engine while you concentrate
on flying the aircraft. You
can make an entire flight
without ever pushing a button,
if you so choose. Yet your
EDM will be monitoring your
engine parameters three times
a second and will warn you
instantly if any parameter
exceeds the programmed limit. |
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| Accuracy: |
| Using
the latest microprocessor technology,
the EDM will monitor up to
twenty-four critical parameters
in your engine, four times
a second, with a linearized
thermocouple accuracy of better
than 0.1 percent or 2 F° which
has been verified and tested
by the FAA and thus TSO'd (Technical
Standard Order) as PRIMARY.
the EDM is constantly "red-line" checking
all 29 critical parameters
(not 16) that are automatically
checked FOUR TIMES A SECOND,
regardless of current display
status. |
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| Precision
Diagnostics: |
| Accuracy
and Resolution, are two of
the most misunderstood terms
in instrumentation. Because
an instrument displays 1 degree
increments (resolution) does
not mean it is accurate to
1 degree. JPI's accuracy comes
from its linearized thermocouples.
Other' put and estimating straight
line through the center of
the thermocouple calibration "S" curve.
With this method the instrument
is accurate at only three points
along as the the straight line
crosses the "S" curve. Therefore
errors of +/- 10' are quite
possible while still displaying
in 1degree resolution. Our
competition is advertising
+/- 1/2' accuracy at full scale.
This would mean that =/-1/2'
of 2000' (full scale) is +/-
10'; there is a big difference.
JPI has found nothing in the
Aviation market that compares
to our linearized accuracy. |
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| Simplicity: |
Four
buttons address ALL the programming
functions of the EDM where
it is allowed. The Simple and
User-Friendly EzConfig program
allows for changing and programming
via a Laptop or a Desktop PC.
Leaning is accomplished quickly
and automatically using the
LeanFind™ procedure.
With the EDM it is now possible
to have substantially more
diagnostic information available
to you in a timely and usable
manner. |
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| Standard
Fuel Flow Function: |
After
extensive observations of many
fuel flow measurement products,
JPI’s engineers concluded
that all the systems presently
on the market were not capable
of supporting the EGT leaning
process due to their slow response
times. JPI has developed a fast
response system that permits
you to simultaneously view peak
EGT and minimum fuel flow. As
the pilot leans the engine he
will see simultaneously fuel
flow and peak EGT. Enrichen the
engine 20 degrees and note the
fuel flow. There will be an optimum
EGT enrichment vs. fuel flow
for your engine, giving maximum
range and power. The EDM Memory
will include fuel flow in the
data file. A throttle change
with GPS interface will display
fuel required to next GPS waypoint
or destination. The EDM can be
set to monitor EGT or Fuel Flow
only or both sequentially with
the flip of a switch. The bar
graph always displays EGT/CHT
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| Fuel
Used (USD): |
How
much fuel has been used since
you last refueled. This number
will always become larger as
fuel is consumed. You can instead
show the fuel used on a long
multi-fuel stop flight and we
will see later in this video
how to do that. |
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Fuel
remaining (REM): |
How
much total fuel remains in
the aircraft. Only total fuel
remaining in the aircraft
is calculated. |
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| Hours
and minutes remaining (H.M.): |
Based
on the current fuel flow rate,
displays the remaining endurance
time. This parameter is most
meaningful during cruise. During
sea-level climb the fuel flow
rate will be almost twice that
of cruise and the endurance
indication will be about half
of actual. On the other hand,
during a power reduction descent,
the endurance will indicate
more time than is actually
available when flying at cruise
power. |
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| Fuel
Required to Waypoint/ Destination
(REQ): |
This
parameter will be displayed only
if your EDM 930 is receiving
flight data from your GPS (this
is a standard feature which is
included with the Fuel Flow option).
This will tell you how much fuel
is required to get to the next
waypoint or destination programmed
on your GPS, based on your current
fuel flow rate and present position. |
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| Fuel
Reserve (RES): |
Fuel
reserve when you arrive at your
next waypoint. This parameter
will be displayed only if your
EDM 930 is receiving flight data
from your GPS (this is a standard
feature which is included with
the Fuel Flow option). This will
tell you how much fuel reserve
you can expect when you arrive
at your next waypoint or destination
programmed on your GPS, at the
current fuel flow rate. |
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| Fuel
Reserve (RES): |
Fuel
reserve when you arrive at your
next waypoint. This parameter
will be displayed only if your
EDM 930 is receiving flight data
from your GPS (this is a standard
feature which is included with
the Fuel Flow option). This will
tell you how much fuel reserve
you can expect when you arrive
at your next waypoint or destination
programmed on your GPS, at the
current fuel flow rate. |
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| Available
Options: |
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Fuel
Pressure (Transducer & Harness) |
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Amps
- 2 |
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Volts
- 2 |
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TIT
1 & 2 |
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CDT
(Compressor Discharge Temperature) |
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IAT
(Induction Air Temperature) |
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Diesel
MAP to 105 in hg |
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Diesel
RPM |
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