Extech Instruments EX470A User Manual page 5

Description
1. IR Thermometer and laser pointer
2. 4000 count LCD display
3. HOLD and Backlight button
4. SELECT button
5. Function switch
6. mA, uA and A input jacks
7. COM input jack
8. Positive input jack
9. RANGE hold button
10. RELATIVE button
11. Laser pointer button
12. Protective holster
Note: Tilt stand and battery compartment are on rear of
unit.
Symbols and Annunciators
•))) Continuity
Diode test
Laser pointer
Battery status
Test lead connection
error
n nano (10 -9 ) (capacitance)
-6
µ micro (10 ) (amps, cap)
-3
m milli (10 ) (volts, amps)
3
k kilo (10 ) (ohms)
6
M mega (10 ) (ohms)
Hz Hertz (frequency)
% Percent (duty ratio)
AC Alternating current
DC Direct current
ºF Degrees Fahrenheit
A Amps
F Farads (capacitance)

Ohms
V Volts
REL Relative
AUTO Autoranging
HOLD Display hold
ºC Degrees Centigrade
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