Extech Instruments EX505, User Manual, Page: 4 / 14

EX505 V6.1 11/07 4
Controls and Jacks
1. 4,000 count LCD display
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. Backlight button
10. REL button
11. HOLD button
Note: Tilt stand and battery compartment are on rear of unit.
Symbols and Annunciators
•))) Continuity
Diode test
Battery status
n nano (10
-9
) (capacitance)
µ micro (10
-6
) (amps)
m milli (10
-3
) (volts, amps)
A Amps
k kilo
(10
3
) (ohms)
F Farads (capacitance)
M mega (10
6
) (ohms)
Ω
Ohms
Hz Hertz (frequency) V Volts
% Percent (duty ratio) REL Relative
AC Alternating current Auto Autoranging
DC Direct current HOLD Display hold
ºF Degrees Fahrenheit ºC Degrees Centigrade