Electrical Symbols; External Structure; Button Description - UNI-T UT513B User Manual

IV. Electrical Symbols
Risk of electric shock
Double-insulated or insulation-enhanced
DC
Direct Current
AC Alternating Current
Grounding
Warning
Battery voltage
It is applicable to test and measuring circuits connected at the
CAT IV
source of the building's low-voltage MAINS installation
V. External Structure
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Fig. 5.1 External structure
1 Battery charging port
2 Selection switch for charging and testing modes
3 LINE: High-voltage output outlet (dual-plug red lead)
4 LINE: Outlet for shielding high-voltage lead (dual-plug red lead)
5 GUARD: Grounding protection outlet (single-plug green lead)
6
EARTH: High resistance measurement outlet (single-plug black lead)
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UT513B/C User Manual UT513B/C User Manual
7 LCD segmented display screen
8
Functional buttons
9 USB port
10 Carrying strap location
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Dual-plug high-voltage test lead (red)
12 High resistance sampling test lead (black)
13 Protective test lead (green)
14 Lithium battery charger
VI. Button Description
Fig. 6.1 Functional buttons
1
Insulation resistance measurement mode
AC/DC voltage measurement mode (UT513C)
2
DCV measurement mode (UT513B)
Capacitance measurement mode (UT513C)
3
ACV measurement mode (UT513B)
4
Power on/off
5
Increase; select high range or previous group of data
6 Decrease; adjust time and resistance; cyclically display
7 Decrease, select low range or next group of data
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