Extech Instruments EX520 User Manual page 5

Controls and Jacks
1. 6,000 count LCD
2. RANGE button
3. Hz and % button
4. Mode button
5. Function switch
6. mA, µA and 10A input jacks
7. COM input jack
8. Positive input jack
9. HOLD and Backlight button
10. RELATIVE button
11. MAX/MIN button
Note: Tilt stand and battery compartment are
on rear of unit.
Symbols and Annunciators
Auto power off
•))) Continuity
Diode test
Battery status
-9
n nano (10 ) (capacitance)
-6
µ micro (10 ) (amps, cap)
-3
m milli (10 ) (volts, amps)
A Amps
3
k kilo (10 ) (ohms)
F Farads (capacitance)
6
M mega (10 ) (ohms)
Ω
Ohms
Hz Hertz (frequency)
% Percent (duty ratio)
AC Alternating current
DC Direct current
ºF Degrees Fahrenheit
MAX Maximum
V Volts
REL Relative
AUTO Autoranging
HOLD Display hold
ºC Degrees Centigrade
MIN Minimum
5 EX520-EU_ENG V2.3 1/08