Wavetek 85XT Manual do Operador descarregar pdf (Página 15)

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RESISTANCE MEASUREMENT (See Fig. 3)

❶ Turn off power to the resistance to be measured and discharge capacitors. Any

voltage present during a resistance measurement will cause inaccurate readings.❷

Connect red test lead to V•Ω Input and black test lead to COM Input. ❸ Set

Function/Range Switch to the desired Ω position. ❹ Connect test leads to resistance or

circuit to be measured. ➎ Read resistance value on Digital Display. Open circuits will be

displayed as an overload condition.

Note: For low resistance values, measure resistance of test leads first by contacting

probe tips, and deduct this value from actual measurement.

Note for 23/27XT: The 2000MΩ range has a fixed 10-count offset in the reading. For

example, when measuring 1100MΩ, the display reads 1110. The 10 residual must be

subtracted to obtain the actual value of 1100MΩ.

D • Widerstandsmessung (siehe Fig. 3)

❶

Jede Spannung vom Widerstand abschalten und Kondensatoren entladen. Eine

am Widerstand anliegende Spannung würde das Resultat verfälschen.

❷

Rotes

COM

V-

mA Cx Lx

20A

1000

750

200

200m

20M

FUSED

MAX

CAT.

27XT

1000V

750V

200mA MAX

MAX

CMOS

DC/ACMAX

HI/LO

ON/OFF

LOGIC

TTL

2000

200

20k

200k

20M

2000

20m

200m

20n

20m

10A

200

200m

20A/30sec

red

rot

roja

rouge

Fig. 3

23XT-28XT.Man.08.00 9/11/00 7:03 PM Page 16

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