UNI-T UT81B Especificaciones descargar pdf (Pagina 25)

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E. Resistance

Range

Resoluti

Accuracy

Overload

Protection

400

0.1Ω

±(1.2%+5)

250VDC or AC

rms

1Ω

±(1%+5)

40k

10Ω

400k

100Ω

1kΩ

±(1.2%+5)

40M

10kΩ

±(1.5%+5)

F. Diode Test

Range Resolution

Overload

Protection

Remarks

1mV 250V DC or AC A good silicon

junction drops

between 0.5V and

0.8V.

G. Continuity Test

Range Resolution

Overload

Protection

Remarks

0. 1Ω

250V DC or AC z The buzzer sounds

when the test

resistance is ≤10Ω.

z The buzzer does not

sound when the test

resistance is ＞100Ω.

H. Frequency and Duty Cycle %

i. Under Multimeter mode

Range Resolution Accuracy

Overload

Protection

10Hz~10M

0.001Hz ±(0.1%+3)

250V DC or AC

rms

0.1%~99.9

0.1%

Reading

for

reference

only

Remarks:

Input amplitude “a” as follows; (DC electric level is zero)

When ≤1MHz : 300mV≤a ≤30Vrms;

When ＞1MHz : 600mV≤a ≤5Vrms

1 2 ... 20 21 22 23 24 25 26

Handheld Oscilloscope 1
PCE-UT81B 1
Tableofcontents 2
Before You Start 3
Using the Testing Tool 5
Making Measurement 8
Figure 3-1. Waveform Display 9
BlackRed 11
Black Red 12
Using Software 19
Maintaining The Test Tool 19
Specifications 21

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UNI-T UT81B Especificaciones Pagina 25

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