UNI-T UT106 Operating Manual page 50

Frequency Type Sensor: In a vacuum state, the
displayed value should be 330 RPM 5%. (This only
applies to GM low frequency sensors.) The other low
frequency sensors shall be based on the parameters
furnished by the supplier.)
Warning
l
The reading becomes the actual RPM only after it
is multiplied by 10.
l
Frequency = RPM/30. (This only applies to 4CYL.)
Model UT106: OPERATING MANUAL
50