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With the PEM4 Propulsion Efficiency Monitor, VAF Instruments has developed a completely new monitoring system based on many years of experience and a proven technology, but with modern user friendly electronics. The PEM4 system is able to monitor one or two T-Sense® torque measuring systems together with the fuel consumption of six engines/consumers (max. 12 VAF flowmeters).
The PEM4 Propulsion Efficiency Monitor is very easy to use because of its menu structure. All measured and calculated data can be read directly from the screen, on which they are displayed as both figures and graphs. The PEM4 system helps owners to improve ship efficiency and to monitor engine performance in a very convenient way.
The standard T-Sense® system is based on torque and speed measurement, out of which performed power on the shaft can be calculated. The system can be extended with the following modules:
For these extensions other signals can bee fed to the PEM4 system, such as fuel flows, fuel temperature, speedlog, GPS or shaft generator power level. Together with the standard torque, speed and power signals, the PEM4 system will be able to calculate the desired data.
The standard PEM4 Propulsion Efficiency Monitor design can be used in a variety of applications such as:
Besides these standard applications, VAF Instruments also manufactures special designs and variants:
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