3) Stabilizing reading takes some time when
measuring high capacitance.
Unit : 1pF=10
-6
µ
F, 1nF = 10
-3
µ
F
C-7 Measuring Frequency
When measuring above 30Vrms, accuracy could
not be guaranteed and take extra care of safety
as voltage brings dangerous electricity by that time.
Caution
C-8 Measuring Diode and Continuity beeper
1. Set the black test lead to
COM
jack and red
test lead to
V
Ω
jack (Red test lead polarity is
+ ), Set the rotary switch to .
2. Connect the test lead across with the object
being measured.The reading is diode forward
voltage drop nearest value.
3. Connect the test lead to two ends of the object
being measured, the beeper sounds if the
resistant value between the two ends is below
50
Ω
.
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C-9 Measuring Transistor hFE
1. Set rotary switch to
hFE
.
2. Identify NPN or PNP type, connect objects to
the correspondent transistor jack.
3. LCD appears the hFE nearest value.
4. Measuring condition: Ib 10
µ
A, Vce 3.0V.
1. Connect red test lead to
Hz
jack and black
test lead to
COM
jack.
2. Set the rotary switch to
kHz .
3. Connect the test leads across with the object
being measured. LCD appears the frequency
value.
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Model UT56: OPERATING MANUAL
13
