Extech Instruments EX623 Guia do Utilizador descarregar pdf (Página 4)

EX623-EU-EN v2.9 11/13

Description

Meter Description

1. Current clamp

2. Clamp opening trigger

3. IR thermometer and Laser Button

4. HOLD/BACKLIGHT button

5. MODE / ZERO button

6. Backlit LCD Display

7. Type K input jacks

8. Multimeter input jacks

9. IR thermometer sensor and Laser pointer (rear)

10. Function switch

11. PEAK button

12. MAX/MIN button

13. Range button

14. Thermocouple display button

15. Battery compartment (rear)

16. Non-Contact Voltage Detector

17. NCV LED indicator

18. Input shutter

Display icons Description

HOLD Data Hold

APO Auto Power Off

AUTO Autoranging

P Peak Hold

DC Direct Current

AC Alternating Current

MAX Max reading

MIN Min reading

Low battery

ZERO DCA or CAP zero

mV or V Milli-volts or Volts (Voltage)

 Ohms (Resistance)

A Amperes (Current)

F Farad (Capacitance)

Hz Hertz (Frequency)

% Duty Ratio

F and

C Fahrenheit and Celsius units (Temperature)

1, T2, T1-T2 Therocouple 1, Thermocouple 2, Thermocouple difference

n, m, , M, k Unit of measure prefixes: nano, milli, micro, mega, and kilo



)

) Continuity test

Diode test

Laser pointer

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

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