UNI-T UT90B Especificaciones descargar pdf (Pagina 20)

Model UT90B: OPERATING MANUAL

20

●Overload Protection: 230V rms.

F. Diodes Test

Range Resolution Remark

1mV

Open-circuit

voltage is about 3V;

transistor PN

normal voltage is

about 0.5~0.8V.

Remarks:

●Overload Protection: 230V rms.

G. Continuity Test

Range

Resolutio

n

Remark

1Ω

Open circuit voltage is

about 3V; Set the

resistance of a open

circuit100Ω, buzzer will

not sound; Set the

resistance of a well

connected circuit≤10Ω,

buzzer sounds

continuously.

Remark:

●Overload Protection: 230V rms.

Fuse Replacement(see figure 9)

Warning

To avoid electrical shock or injury to the user

because of wrong readings of the Meter,

please inspect the damage of fuse inside

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