MarComp combustion chamber tester is connected to the engine.
MarComp Combustion Chamber Tester is connected to the indicator cock of the engine and to the supply air.
MarComp – Compression Pressure Indicator, Stop Watch
With the delivered stop clock you can measure the time pressure drop of the combustion chamber.
MarComp – Combustion Chamber Tester
The Combustion Chamber Tester monitors the current condition of valves and piston rings.
MarComp – Box
Complete Combustion Chamber Tester by MARIDIS – early detection for engine protection.
Supply: pressure-air-connector, stop watch, knob
The simple principle of the Combustion Chamber Tester has been used for years – see full supply list below.
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MarComp – A Combustion Chamber Tester

MarComp is a Combustion Chamber Tester monitoring the current condition of valves and piston rings. Providing reliable and efficient condition monitoring, this device measures the compression pressure of the combustion chamber of 4-stroke diesel and gas engines for every cylinder station with the indicator cock and the corresponding W1-1/6“standard thread.

MarComp condition monitoring of the combustion chamber has cost-reducing effects: The condition of valves and piston rings can easily be detected by this diesel engine combustion chamber tester. Root causes, that often cannot be detected through the usual measurements, have a serious impact on the engine wear depending on operating conditions. The used type of lube oil, fuel, temperature, humidity and load pattern have to be included in the considerations.

Engines with combustion chambers in poor condition cause high consumption of lube oil. Filter fouling increases maintenance costs. The MarComp combustion chamber tester lowers operational efforts by suggesting the ideal point of time for overhauling engines with new piston rings, irrespective of recommended overhaul intervals.

Combustion Chamber Tester:
Early detection for engine protection

The MarComp Combustion Chamber Tester is connected to the indicator cock of the engine and to the supply air (6 – 9 bar). With the delivered stop clock you can measure the time pressure drop of the combustion chamber in TDC 1 position of the engine. You are able to detect worn valves, valve seats and worn or broken piston rings according to your engine manual. The principle is simple and has been used by engine users for years, however it is easier to handle with precision made in Germany.

MarComp device helps

  • Avoiding engine break-downs by early detection of important engine parameters
  • Planning engine overhaul intervals and decreasing operational costs
  • Operating condition based overhaul depending on the real state of the engine
Technical Details
Pressure sensor range 0 – 25 bar
Error margin +/-1 % to full scale output
Ambient temperature 60 °C
Weight incl. box 3.2 kg
Net weight 2.0 kg
Dimensions 330 mm × 270 mm × 120 mm
Scope of supply
  • MarComp
  • Box
  • Knob
  • MarComp measuring log
  • MarComp manual
  • MarComp certificate
  • Stop watch
  • Pressure-air-connector

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