Measuring Engine Tach - Herth+Buss ELPARTS 95980775 Bedienhinweis

Operating instruction
Measuring Engine Tach (Rotation Speed)
Ignition Coil
1. Connect the black test lead to the COM
jack, and the red test lead to the
jack. (Note: The polarity of the red lead is po-
sitive „ + „.)
2. Set the range switch to
3. Press the CYL button until the number of
cylinders of the engine to be tested appears.
4. Connect the black test lead to ground or
the negative terminal of the battery, and the
red test lead to the low voltage terminal of
the distributor or the negative terminal of
the ignition coil.
5. Start the engine and read the reading on
the display.
43
Ground
Note:
1. The input voltage must be between 3Vp
and 50Vp. If the voltage is too low, it will be
impossible to perform dwell measurement.
position. 2. Reading's stability will decrease if the ro-
tation speed of the engine is too low.
3. The polarity of the input voltage must be
correct, otherwise it will be impossible to
perform the measurement.
95980775