UNI-T
UT139A/B/C OPERATING MANUAL
VII. LCD Display (See Figure 2)
139B/C-LCD:
A M kQ H am V>i AF V F % Q ®
SjZj
O
O jZj
d
MAX-MINAuto Range NCV A £
Symbol
Instruction
1
Data hold prompt
2
—
Negative reading
3
AC/DC
AC/DC measurement prompt
4
MAX-MIN
Maximum/Minimum/Maximum-Minimum value measurement prompt
5
• a
Under-voltage internal battery
6
Auto Range
Automatic range prompt
139A-LCD:
A
MkQmtyA
Q NCV
Auto Range MAX-MIN
iLIMI-T
UT 139A/B/C OPERATING MANUAL
1
kjnii
■
7
- H
Diode measurement prompt
8
•»)
Circuit on-off measurement prompt
9
A
Relative measurement prompt
10
Q /k Q /M Q
Resistance units: Ohm, Kilohm and Megohm
11
Hz/kHz/MHZ
requency units: Hz, kHz, MHz
12
%
Duty ratio measurement unit
13
m V /V
Voltage units: mV, V
14
|jA /m A /A
Current units: |jA, mA, A
15
n F /M F /m F
Capacitance units: nF, u F, mF
16
°C
Centigrade temperature unit
17
°F
Fahrenheit temperature unit
18
(EF)N C V
Non-contact AC voltage sensing
19
d >
Auto power-off prompt
20
£
Current clamp
Summary of Contents for TU13BA
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