Extech Instruments 450 Uživatelská příručka stáhnout pdf (Strana 5)

EX450-EU_ENG V3.1 10/07

Controls and Jacks

1. IR Thermometer and laser pointer

2. 2000 count LCD display

3. HOLD button

4. SELECT button

5. Function switch

6. mA, uA and A input jacks

7. COM input jack

8. Positive input jack

9. MAX hold button (voltage and current)

10. BACKLIGHT 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

µ micro (10

-6

) (amps)

m milli (10

-3

) (volts, amps)

k kilo (10

) (ohms)

M mega (10

) (ohms) A Amps

AC Alternating current  Ohms

DC Direct current V Volts

ºF Degrees Fahrenheit AUTO Autoranging

ºC Degrees Centigrade HOLD Display hold

1 2 3 4 5 6 7 8 9 10 ... 14 15

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Extech Instruments 450 Uživatelská příručka Strana 5