XTreme-EMS Operating Manual Page 3
Fuel computer
• Advanced fuel computer with various modes of operation
• Supports single or dual fuel tanks
• Supports one or two fuel flow senders, fuel level senders or fuel injectors
• Supports a single fuel pressure sender
• Differential fuel flow calculations are also supported for fuel return systems
• The Xtreme-EMS has the ability to connect to a NMEA enabled RS232 GPS receiver for range based
calculations. It can also accept a manually entered estimate cruising speed if a GPS is not available.
• Standard automotive fuel level senders can be used, even with odd shaped tanks due to a comprehensive,
multi-point calibration system
• Fuel flow can be displayed in L/hr or in G/hr
• Fuel level can be displayed in Litres or Gallons
Analog Inputs
• 1x Oil pressure display
• 1x Oil temperature display
• 2x Auxiliary analog channel displays which are universal and can be configured to measure Pressure,
Temperature or Current
• Current measurement requires a MGL Avionics Closed Loop Current Sensor
• Pressure can be measured using standard automotive resistive senders (e.g. VDO 2, 5 and 10Bar), Rotax
4-20mA senders as well as voltage output pressure senders (e.g. UMA)
• Temperature can be measured using standard automotive resistive senders (e.g. VDO, Westach) as well
as the MGL Avionics precision LM335 semiconductor sensor
• High accuracy: Built in linearization curves for common senders
• Analog channels can be programmed to a user defined curve for custom senders
• Supports the Rotax 4-20mA pressure sender as used in the 912/914 engines
• Temperatures can be displayed in ºC or ºF
• Pressure can be displayed in psi or bar
• Programmable pressure / temperatue labels
Manifold Pressure
• Manifold pressure can be displayed in millibar (mB) or in inches of Mercury (“Hg”).
• Records maximum MAP reached in permanent memory
• MGL Avionics RDAC-XF MAP required
Timers
• Displays both UTC (Zulu time) and local time
• Time is maintained by an internal lithium battery which can be replaced by the user
• Includes a settable Hobbs meter which is password protected
• Includes an engine running and flight timer
• Includes a programmable maintenance timer for scheduled routine engine maintenance
• Stopwatch timer
Volts
• Can measure voltages up to 30V (compatible with both 12V and 24V aircraft supplies)
• Contains a programmable low/high voltage alarm to automatically detect alternator failures and bad
batteries
• Records maximum and minimum Volts reached in permanent memory
• Programmable Volrts label
OAT
• OAT (Outside Air Temperature) display
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