Extech Instruments True RMS Multimeter Extech 430 Manual do Utilizador descarregar pdf (Página 4)

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

) (ohms) F Farads (capacitance)

M mega (10

) (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

1 2 3 4 5 6 7 8 9 ... 19 20

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Extech Instruments True RMS Multimeter Extech 430 Manual do Utilizador Página 4