Testboy TB 65 Manuel D'utilisation page 38

Operation
Engine speed (rotations/minute)
Set the type of engine using the selector switch. Connect the black
test lead to the "COM" jack and the red test lead to the "V/Ω" jack.
The measurement result is indicated on the display times 10 rpm.
Connect the black test lead to the vehicle earth and the red test
lead to the negative connection of the ignition coil.
Cylinder Measuring range
DIS*
3CYL
4CYL
500 – 10.000 min
5CYL
6CYL
8CYL
-
Sensitivity: 5 Vrms
-
Max. input voltage 250 Vrms
* With a ignition system without a distributor (DIS), connect the
red test lead to the speed signal line of the controller for the
ignition system iaw. the service manual from the vehicle
manufacturer.
38
All manuals and user guides at all-guides.com
Resolution
-1
Accuracy
-1
10 min ±3 % + 5 Digit
®
Testboy TB 65