Comparing EDM 790 And EDM 900 Systems
This article helps you compare the two EDM’s and select the one that fits your requirements and your budget. Both these aircraft engine data monitoring systems are manufactured by J.P. Instruments.
EDM 900
(Usually between $3,000 and $5,000)
Features:
2-4 piston Aircraft Engine Monitoring Includes Pre-wired Harness Includes CHT & EGT Probes and Harness Includes Oil Pressure Transducer and Harness Includes OT Transducer and Harness Includes Fuel Flow Transducer and Harness Includes Oil Temp Probes and Harness Includes RPM Sensor and Harness Includes Manifold Pressure Transducer and Harness Includes Shunt 100 amp and Harness Includes Volts V1 and Harness
Features Remote Access Display 8 Alpha Numeric Characters. Backup display. Includes Plotting Software EZTrends © Capable of EGT Differential Span Hottest to Coolest Capable of CHT Differential Span Hottest to Coolest Shock Cooling on all cylinders Accurate Lean and over lean Horsepower GPS Interface to any GPS even hand-held Fuel Efficiency, Fuel Used for the Trip Fuel Used Since Fill up, Time to Empty Distance to Empty Fuel required to next Way Point or destination Fuel Reserve at way point or destination Flight Timer Tach Timer, Engine Hours Date, Zulu Time
The Engine Data Management 900 for aircraft has 4 operating modes; automatic, manual, Program and LeanFind.
More information here : https://www.jpinstruments.com/shop/edm-900-2/
EDM 790
(From $7,055.00 to $8,255.00)
Features:
EGT & CHT 4 or 6 probes Monitor and display of Volts Monitor Shock cooling Span (highest to lowest EGT) EGT Normalize mode LOP/ROP function Power connector All required Harness 20 ft EZTrends Graphing Software free Serial Data recording -25 hours 3 year Warranty Full Instrument: Width 4.81 Height: 3.47 Depth: 3.56 Insert Size 3-1/8 in panel mount 3.56 deep. Width Above Panel .80 Weight: 1 LB.
Optional Functions include: Fuel Flow, Oil Temperature 1 & 2, Turbine Inlet 2 (TIT-2), Outside Air (OAT) Carburettor Temperature (CRB).
Fuel Efficiency, Fuel Used for the Trip Fuel Used Since Fill up, Time to Empty Distance to Empty GPS Interface to any GPS even hand-held Fuel required to next Way Point or destination Fuel Reserve at way point or destination Data Port for downloading of data. FAA approved graphic engine monitor with a full fuel flow system. Extremely accurate temperature detection; ONE degree (even for EGT). Paired with JPI EDM 790 “grounded” fast response probes. Monitors the air craft engine every 2 to 255 seconds.
More information here : https://www.jpinstruments.com/shop/edm-790/
