Extech Instruments EX430-NIST User Manual page 5

Description
1. 4000 count LCD display
2. HOLD
3. SELECT button
4. Function switch
5. mA, uA and A input jacks
6. COM input jack
7. Positive input jack
8. RANGE hold button
9. RELATIVE button
10. Backlight button
11. Protective holster
Note: Tilt stand and battery compartment are on rear of
unit.
Symbols and Annunciators
•))) Continuity
Diode test
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
5
1
2
3
4
5 6 7
EX430A-en-GB_v6.0 7/16
11
9
8
10