5 Operation
22 Rev. 12/2019
5.4 Measuring High Voltage
Risk of destruction!
Excess voltage may destroy or damage the SparkView high voltage indica-
tor. Stop the measurement immediately if continuously values above 25 kV
(set measuring range up to 25 kV) or above 50 kV (set measuring range up
to 50 kV) are measured.
Operational safety!
Additionally follow the instructions in the manual of the SparkScan1 high
voltage clamp and of the ignition coil with BNC diagnostic interface in order
to guarantee the safe operation of the SparkView high voltage indicator.
Risk of injury!
To avoid injury, make sure that you do not trip over the cables of the
SparkScan1 high voltage clamp or the BNC cable when using the SparkView
high voltage indicator.
Measuring accuracy
To obtain precise measurement results from the SparkView high voltage
indicator, observe the following:
– Only use specified measuring accessories from MOTORTECH.
– When measuring with the SparkScan1 high voltage clamp, it must be
properly grounded to the engine.
– Recalibrate the SparkView by switching it off and on if the ambient
temperature changes considerably during operation.
You have two options for measuring the high voltage demand of spark plugs with the SparkView
high voltage indicator when the engine is running:
– Measuring with the SparkScan1 high voltage clamp from MOTORTECH (length max. 3 m /
118") on the spark plug lead (see section Measuring with SparkScan1 High Voltage Clamp on
page 23)
– Measuring with a special BNC cable from MOTORTECH (length max. 3 m / 118") at the
diagnostic interface of specific ignition coils from MOTORTECH (see section Measuring on
Ignition Coil with Diagnostic Interface on page 25)
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