Extech Instruments 420 Especificações descarregar pdf (Página 80)

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80

V5.1‐March2010

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Description

1. Battery status indicator

2. Manual range indicator. In MANUAL mode the user selects the measurement

range

3. Measurement mode indicators:

DCV: DC Voltage measurement

ACV: AC voltage measurement

DCA: Direct current (DC) measurement

ACA: AC current measurement

R: Resistance measurement

: Diode measurement

: Continuity measurement

C: Capacitance measurement

4. Relative measurement mode indicator

5. RUN: Continuous update mode. STOP: Display data hold mode

6. The reference value in the relative measurement mode

7. (X10) reading multiplier

8. Unit of measure indicator and measurement reading

9. Automatic range mode (AUTO). Meter automatically selects measurement range

10. Absolute / Relative measurement modes: The “||” symbols represents absolute

measurement (normal) mode. The “ ” symbol represents the relative mode

11. Manual measurement control (user selects measurement range)

12. Color coded scale indicator; Each test mode has a unique color scheme

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Extech Instruments 420 Especificações Página 80