Extech Instruments Extech 470 Podręcznik Użytkownika Pobierz pdf (Strona 5)

EX470-EU-EN-V5.4-5/12

Controls and Jacks

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)

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)  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 10 ... 15 16

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Extech Instruments Extech 470 Podręcznik Użytkownika Strona 5