Extech Instruments EX570, User Manual, Page: 5 / 18

EX570-ENG V2.3 3/09 5
Controls and Jacks
1. IR Thermometer
2. Laser Pointer
3. 40,000 count LCD
4. MAX/MIN
button
5. MEMORY button
6. SELECT button
7. Function switch
8. mA, µA and 10A input jacks
9. PEAK and RELATIVE button
10. RANGE button
11. HOLD and (Backlight) button
12. IR Thermometer button
13. Positive input jack
14. COM input jack
Note: Tilt stand and battery compartment are on rear of unit.
Symbols and Enunciators
•)))
Continuity
Diode test
+
Low Battery
MEM Memory
n nano
(10
-9
) (capacitance)
µ micro (10
-6
) (amps, cap)
m milli (10
-3
) (volts, amps)
A Amps
k kilo
(10
3
) (ohms)
F Farads (capacitance)
M mega (10
6
) (ohms) APO Auto Power Off
Ω
Ohms P Peak
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
MAX Maximum MIN Minimum
1 2
3
4
5
6
7
8
9
10
11
12
13
14
Byram
Labs