Neptune Equipment manufactures Engine Analyser for internal combustion engines. The Engine Analyser comes with models AP 8425 and AP 8700, which are totally independent diagnostic tools for all types of two stroke/four stroke spark ignition engines. These Engine Analysers from Neptune Equipment are capable of measuring apart from the normal engine parameters, ignition advance measurements at various engine speeds, using the in-buiIt advance xenon timing light. The condition of CB point whether it is good or bad is not left to the whims of the operator but is finely and accurately shown on the display as good or bad and printed on the in-built 20 column printer that is provided as a standard accessory on both the Engine analysers. The most important feature of the Engine Analysers from Neptune Equipment is the automatic cylinder power balance that helps to determine the defects in individual cylinders. The Engine Analyser is equipped with all-function oscilloscope of AP 8700, which displays ignition primary, ignition secondary and alternator voltage output patterns. Both the models of Engine Analyser are available on convenient trolleys and can be operated on 12 V vehicle battery.