Extech Instruments 430

V01.02.01 7/04 4
Controls and Jacks
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)
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) 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