Description:
Grand Rapids Technologies (GRT) Model 4000 Engine Information System (EIS)
Removed from an aircraft during avionics upgrades and being sold as part of a hangar clean-out. Exact aircraft application and removal date are unknown.
This unit is being sold as shown and has not been tested. Operational status and airworthiness are unknown, and no guarantees are made regarding functionality.
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Condition:
• Good cosmetic condition for age
• Normal signs of storage and handling
• Screen appears intact
• Untested — no power-up performed
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Important Notes (Please Read):
• Sold as removed / as found
• From hangar clean-out inventory
• Seller cannot guarantee operation or airworthiness
• Buyer responsible for inspection, testing, and compatibility verification
• Suitable for experimental aircraft, repair, or parts use
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About the Unit
The GRT EIS 4000 is an early digital engine monitoring system commonly installed in experimental and homebuilt aircraft to monitor:
• CHT
• EGT
• Oil temperature & pressure
• Engine parameters and alerts
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Fast & secure shipping
Packed carefully for avionics protection
