User Manual

Overload protection: 250V DC or AC RMS.
B-10 Transistor hFE test
Comment
Measuring Condition
Range
hFE
Can measure NPN or
PNP transistor hFE.
Range: 0-1000β
Basic polarity current abt
10µA,Vce abt 2.8V
B-9 Diode Test and Continuity Beeper
Comment
Measuring Condition
Range
Display diode forward-
voltage near value,
Unit mV
Forward DC current abt
1mABackward DC voltage
abt 2.8V
Voltage at open circuit
abt 2.8V
“ ”
“ ”
B-8 Temperature
Range
Resolution
Accuracy
UT51,52,53
UT53
UT55
(5%+3)
(1%+3)
2%
-20
o
C
to
1000
o
C
1
o
C
-20
o
C to 0
o
C
0
o
C to 400
o
C
400
o
Cto
1000
o
C
Input sensitivity: 100mVrms.
Overload protection: 250Vrms.
Model UT51-55: OPERATING MANUAL
9