Motor Shaft Rotation Direction (Connectionless) - Sonel TKF-13 Manual De Uso

4

Motor shaft rotation direction (connectionless)

Below there is a diagram illustrating the minimum motor diameter for the given revolution and the fre-
quency of the mains at which the indications of the tester are reliable.
10

Press
signalling that the device is ready for operation.

Put the rear part of the TKF-13 tester to a working motor along its
axis (the position of the axis in accordance with the adjacent illus-
tration). The distance between the tester and the motor should not
exceed 2-3 cm.

The light of the R diode means the motor shaft spins clockwise.
The light of the L diode means the motor shaft spins anticlock-
wise.

Lack of indications (diodes L and R are off) may mean the motor
is not working or the signal is too weak.



90
80
70
60
50
40
30
20
10
0
0 500 1000
TKF-13 – USER MANUAL
to turn the tester on. The green diode should go ON
In case of certain single-phase inductive motors, indica-
tions may be hindered.
The device has not been designed for the purpose of
tests of single-phase commutator motors.
The device has not been designed for the purpose of
tests of motors powered through electronic power con-
verters (inverters).
1500 2000 2500
rpm
16.66 Hz
50 Hz
60 Hz
3000 3500 4000