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Overspeed  RPM  Data  Logging

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G Series Helicopter Engine Monitor 

NOTE: G Series for helicopter are the same G1/2/3/4's but with a special HELO STC and new red lines for CHT.



Save fuel, save your engine!


Superior Patented Leaning Process:


  • G3/4 makes the lean process easy
  • No one else has this unique leaning process
  • G3/4 leaning is so easy and complete we patented the process - Read Patent

With patented features like:

  • Pilot settable lean threshold target
  • Colored box appears at peak
  • Lean boxes show temperature of how much lean or rich
  • Colored boxes show lean or rich
  • Lean boxes change at lean threshold
  • Fuel flow guidance for leaning
  • Fuel flow at each cylinder peak (GAMI SPREAD)
  • In-flight exhaust valve analysis
  • EGT temperature bars with numbers
  • CHT temperature bars with number, yellow warning and redline
  • TIT temperature bar with number, yellow warning and redline


Special Lean Of Peak Functionality

Unparalleled ease of operation
Nozzle balance analysis every time

Extensive Measurement Coverage

Simultaneous EGT, CHT, TIT
Bus voltage, instrument vacuum
Fuel flow, fuel used, alternator temp, OAT
Manifold pressure, RPM, oil temp, oil pressure

Continuous Probe Diagnosis

Confirm system integrity
Save time trouble-shooting

Sophisticated Data Logging

Unlimited storage on standard SD camera card
Integrates data from multiple sources
PC compatible files and directories

Detailed Vibration Analysis

Safely operate lean of peak
Detect early stage mechanical problems
Prevent catastrophic engine failures

Fully Compatible Upgrade

Plug & play with all GEM 610 instruments
New installs or upgrades are quick and easy
GEM trade-in offers available



1 -   Best lean of peak process in the industry
2 -   The only probe diagnostic screen
3 -   The only nozzle balance analysis, the key to lean of peak
4 -   The only real-time - Spectral Vibration Analysis
5 -   Comprehensive data log - windows files SD card
6 -   Over the web software updates - constant improvement
7 -   Integral fuel computer with GPS fuel interface
8 -   GEM plug compatible - easy install
9 -   Exhaust valve analysis - EGT Variation Spectrum
10 - Best technical support

Manufacturing G Series at Insight





Click on engine monitor to select!

G1 G2 G3 G4