Circuit Continuity Test; Diode Test - Sonel CMM-60 Manual De Uso


contact the tips of test probes to the points of measurement; the best solution is to disconnect
one side of the tested element, to prevent the remaining part of the circuit interfere with the read-
out of the resistance value,

read the measurement result on the display,

after completing the measurements, remove test leads from the terminals of the meter.
6.6

Circuit continuity test

Do not perform measurements on the circuit under the voltage. Before the measurement dis-
connect the power and discharge capacitors.
To perform the continuity test:

set the rotary switch at Ω

connect black test lead to COM terminal and red test lead to VΩ

select MENU and use arrows and F1 F2 F3 F4 buttons to set Beeper,

contact the tips of test probes to the points of measurement,

read the measurement result on the display; the beep will be activated when resistance values
are below approx. 25 Ω. If the circuit is open, the display will show OL,

after completing the measurements, remove test leads from the terminals of the meter.
6.7

Diode test

Do not perform measurements on the circuit under the voltage. Before the measurement dis-
connect the power and discharge capacitors. Do not test the diode under voltage.
To perform the diode test:

set the rotary switch at Ω

connect black test lead to COM terminal and red test lead to VΩ

select MENU and use arrows and F1 F2 F3 F4 buttons to set Diode,

contact the pins of test probes to the diode: red test lead should contact the anode and the black
should contact cathode,

read the test result on the display - the forward voltage is displayed.
 For a typical silicon rectifier diode, it is approx. 0.7 V, and for a germanium diode it is approx. 0.3
V
 For LEDs with a low power, typical voltage value is in the range of 1.2...5.0 V depending on the
colour.
 If the diode is polarized in the reverse direction, or there is a break in the circuit, the display will
show OL.
 When the diode is shorted, the meter will show a value near 0 V.

after completing the measurements, remove test leads from the terminals of the meter.
WARNING:
CAP,
WARNING:
CAP,
CMM-60 – USER MANUAL
CAP Hz% Temp terminal,
CAP Hz% Temp terminal,
53